Attachment 1443467 Details for Bug 1556517 – build.log

build.log

build.log (text/plain), 1.78 MB, created by Fedora Release Engineering on 2018-05-28 15:59:03 UTC

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Description:

Filename:

MIME Type:

Creator: Fedora Release Engineering

Created: 2018-05-28 15:59:03 UTC

Size: 1.78 MB

patch

obsolete

>Mock Version: 1.3.4
>Mock Version: 1.3.4
>ENTER ['do'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target ppc64 --nodeps /builddir/build/SPECS/ufw-kde.spec'], chrootPath='/var/lib/mock/f29-build-12554087-917971/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fffb92b1f98>timeout=172800uid=1000gid=425user='mockbuild'nspawn_args=[]printOutput=False)
>Executing command: ['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target ppc64 --nodeps /builddir/build/SPECS/ufw-kde.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'} and shell False
>Building target platforms: ppc64
>Building for target ppc64
>Wrote: /builddir/build/SRPMS/ufw-kde-0.5.0-0.8.20161006git.fc29.src.rpm
>Child return code was: 0
>ENTER ['do'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target ppc64 --nodeps /builddir/build/SPECS/ufw-kde.spec'], chrootPath='/var/lib/mock/f29-build-12554087-917971/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fffb92b1f98>timeout=172800uid=1000gid=425user='mockbuild'nspawn_args=[]printOutput=False)
>Executing command: ['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target ppc64 --nodeps /builddir/build/SPECS/ufw-kde.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'} and shell False
>Building target platforms: ppc64
>Building for target ppc64
>Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.eNq0Q2
>+ umask 022
>+ cd /builddir/build/BUILD
>+ cd /builddir/build/BUILD
>+ rm -rf ufw-kde-0.5.0
>+ /usr/bin/xz -dc /builddir/build/SOURCES/ufw-kde-0.5.0-20161006.tar.xz
>+ /usr/bin/tar -xof -
>+ STATUS=0
>+ '[' 0 -ne 0 ']'
>+ cd ufw-kde-0.5.0
>+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
>Patch #0 (ufw-kde-0.5.0-no-env.patch):
>+ echo 'Patch #0 (ufw-kde-0.5.0-no-env.patch):'
>+ /usr/bin/patch --no-backup-if-mismatch -p1 -b --suffix .no-env --fuzz=0
>patching file helper/CMakeLists.txt
>patching file helper/kcm_ufw_helper.py.cmake
>+ exit 0
>Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.o0eYk8
>+ umask 022
>+ cd /builddir/build/BUILD
>+ cd ufw-kde-0.5.0
>+ mkdir -p ppc64-redhat-linux-gnu
>~/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu ~/build/BUILD/ufw-kde-0.5.0
>+ pushd ppc64-redhat-linux-gnu
>+ QTDIR=/usr/lib64/qt4
>+ export QTDIR
>+ PATH=/usr/lib64/qt4/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin
>+ export PATH
>+ CFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection'
>+ export CFLAGS
>+ CXXFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection'
>+ export CXXFLAGS
>+ FFLAGS='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -I/usr/lib64/gfortran/modules'
>+ export FFLAGS
>+ LDFLAGS='-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld'
>+ export LDFLAGS
>+ /usr/bin/cmake -DBUILD_SHARED_LIBS:BOOL=ON -DCMAKE_BUILD_TYPE=release -DCMAKE_INSTALL_PREFIX:PATH=/usr -DCMAKE_USE_RELATIVE_PATHS:BOOL=ON -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -DDATA_INSTALL_DIR:PATH=/usr/share/kde4/apps -DINCLUDE_INSTALL_DIR:PATH=/usr/include/kde4 -DLIB_INSTALL_DIR:PATH=/usr/lib64 -DKDE4_BUILD_TESTS:BOOL=OFF -DLIB_SUFFIX=64 -DLIBEXEC_INSTALL_DIR:PATH=/usr/libexec/kde4 -DSYSCONF_INSTALL_DIR:PATH=/etc ../
>-- The C compiler identification is GNU 8.1.1
>-- The CXX compiler identification is GNU 8.1.1
>-- Check for working C compiler: /usr/bin/cc
>-- Check for working C compiler: /usr/bin/cc -- works
>-- Detecting C compiler ABI info
>-- Detecting C compiler ABI info - done
>-- Detecting C compile features
>-- Detecting C compile features - done
>-- Check for working CXX compiler: /usr/bin/c++
>-- Check for working CXX compiler: /usr/bin/c++ -- works
>-- Detecting CXX compiler ABI info
>-- Detecting CXX compiler ABI info - done
>-- Detecting CXX compile features
>-- Detecting CXX compile features - done
>-- Looking for Q_WS_X11
>-- Looking for Q_WS_X11 - found
>-- Looking for Q_WS_WIN
>-- Looking for Q_WS_WIN - not found
>-- Looking for Q_WS_QWS
>-- Looking for Q_WS_QWS - not found
>-- Looking for Q_WS_MAC
>-- Looking for Q_WS_MAC - not found
>-- Found Qt-Version 4.8.7 (using /usr/lib64/qt4/bin/qmake)
>-- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libXft.so;/usr/lib64/libXau.so;/usr/lib64/libXpm.so
>-- Looking for XOpenDisplay in /usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libXft.so;/usr/lib64/libXau.so;/usr/lib64/libXpm.so - found
>-- Looking for gethostbyname
>-- Looking for gethostbyname - found
>-- Looking for connect
>-- Looking for connect - found
>-- Looking for remove
>-- Looking for remove - found
>-- Looking for shmat
>-- Looking for shmat - found
>-- Looking for IceConnectionNumber in ICE
>-- Looking for IceConnectionNumber in ICE - found
>-- Found X11: /usr/lib64/libX11.so
>-- Looking for pthread.h
>-- Looking for pthread.h - found
>-- Looking for pthread_create
>-- Looking for pthread_create - not found
>-- Looking for pthread_create in pthreads
>-- Looking for pthread_create in pthreads - not found
>-- Looking for pthread_create in pthread
>-- Looking for pthread_create in pthread - found
>-- Found Threads: TRUE  
>-- Found OpenSSL: /usr/lib64/libcrypto.so (found version "1.1.0h") 
>-- Looking for _POSIX_TIMERS
>-- Looking for _POSIX_TIMERS - found
>CMake Deprecation Warning at /usr/lib64/automoc4/Automoc4Config.cmake:62 (cmake_policy):
>  The OLD behavior for policy CMP0002 will be removed from a future version
>  of CMake.
>  The cmake-policies(7) manual explains that the OLD behaviors of all
>  policies are deprecated and that a policy should be set to OLD only under
>  specific short-term circumstances.  Projects should be ported to the NEW
>  behavior and not rely on setting a policy to OLD.
>Call Stack (most recent call first):
>  /usr/share/kde4/apps/cmake/modules/FindAutomoc4.cmake:45 (find_package)
>  /usr/share/kde4/apps/cmake/modules/FindKDE4Internal.cmake:395 (find_package)
>  /usr/share/cmake/Modules/FindKDE4.cmake:97 (find_package)
>  CMakeLists.txt:4 (find_package)
>-- Found Automoc4: /usr/bin/automoc4  
>-- Found Perl: /usr/bin/perl (found version "5.26.2") 
>-- Found Phonon: /usr/include (Required is at least version "4.3.80") 
>-- Performing Test _OFFT_IS_64BIT
>-- Performing Test _OFFT_IS_64BIT - Success
>-- Performing Test HAVE_FPIE_SUPPORT
>-- Performing Test HAVE_FPIE_SUPPORT - Success
>-- Performing Test __KDE_HAVE_W_OVERLOADED_VIRTUAL
>-- Performing Test __KDE_HAVE_W_OVERLOADED_VIRTUAL - Success
>-- Performing Test __KDE_HAVE_GCC_VISIBILITY
>-- Performing Test __KDE_HAVE_GCC_VISIBILITY - Success
>-- Found KDE 4.12 include dir: /usr/include/kde4
>-- Found KDE 4.12 library dir: /usr/lib64/kde4/devel
>-- Found the KDE4 kconfig_compiler4 preprocessor: /usr/bin/kconfig_compiler4
>-- Found automoc4: /usr/bin/automoc4
>-- Found PythonInterp: /usr/bin/python3 (found suitable version "3.6.5", minimum required is "3") 
>CMake Warning (dev) at /usr/share/kde4/apps/cmake/modules/KDE4Macros.cmake:1378 (add_custom_target):
>  Policy CMP0037 is not set: Target names should not be reserved and should
>  match a validity pattern.  Run "cmake --help-policy CMP0037" for policy
>  details.  Use the cmake_policy command to set the policy and suppress this
>  warning.
>  The target name "actions for org.kde.ufw" is reserved or not valid for
>  certain CMake features, such as generator expressions, and may result in
>  undefined behavior.
>Call Stack (most recent call first):
>  helper/CMakeLists.txt:19 (kde4_install_auth_actions)
>This warning is for project developers.  Use -Wno-dev to suppress it.
>CMake Deprecation Warning at po/CMakeLists.txt:5 (cmake_policy):
>  The OLD behavior for policy CMP0002 will be removed from a future version
>  of CMake.
>  The cmake-policies(7) manual explains that the OLD behaviors of all
>  policies are deprecated and that a policy should be set to OLD only under
>  specific short-term circumstances.  Projects should be ported to the NEW
>  behavior and not rely on setting a policy to OLD.
>-- Looking for dgettext
>-- Looking for dgettext - found
>-- Found Gettext: built in libc
>-- Configuring done
>-- Generating done
>CMake Warning:
>  Manually-specified variables were not used by the project:
>    CMAKE_USE_RELATIVE_PATHS
>-- Build files have been written to: /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu
>+ popd
>~/build/BUILD/ufw-kde-0.5.0
>+ make -j4 -C ppc64-redhat-linux-gnu
>make: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>/usr/bin/cmake -H/builddir/build/BUILD/ufw-kde-0.5.0 -B/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu --check-build-system CMakeFiles/Makefile.cmake 0
>/usr/bin/cmake -E cmake_progress_start /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/CMakeFiles /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/CMakeFiles/progress.marks
>make -f CMakeFiles/Makefile2 all
>make[1]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f helper/CMakeFiles/kcm_ufw_helper_automoc.dir/build.make helper/CMakeFiles/kcm_ufw_helper_automoc.dir/depend
>make -f "helper/CMakeFiles/actions for org.kde.ufw.dir/build.make" "helper/CMakeFiles/actions for org.kde.ufw.dir/depend"
>make -f kcm/CMakeFiles/kcm_ufw_automoc.dir/build.make kcm/CMakeFiles/kcm_ufw_automoc.dir/depend
>make -f doc/nl/CMakeFiles/doc-nl-handbook.dir/build.make doc/nl/CMakeFiles/doc-nl-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/CMakeFiles/kcm_ufw_helper_automoc.dir/DependInfo.cmake --color=
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/kcm /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/CMakeFiles/kcm_ufw_automoc.dir/DependInfo.cmake --color=
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper "/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/CMakeFiles/actions for org.kde.ufw.dir/DependInfo.cmake" --color=
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/nl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/nl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/nl/CMakeFiles/doc-nl-handbook.dir/DependInfo.cmake --color=
>Scanning dependencies of target kcm_ufw_helper_automoc
>Scanning dependencies of target actions for org.kde.ufw
>Scanning dependencies of target kcm_ufw_automoc
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f helper/CMakeFiles/kcm_ufw_helper_automoc.dir/build.make helper/CMakeFiles/kcm_ufw_helper_automoc.dir/build
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target doc-nl-handbook
>make -f "helper/CMakeFiles/actions for org.kde.ufw.dir/build.make" "helper/CMakeFiles/actions for org.kde.ufw.dir/build"
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f kcm/CMakeFiles/kcm_ufw_automoc.dir/build.make kcm/CMakeFiles/kcm_ufw_automoc.dir/build
>make -f doc/nl/CMakeFiles/doc-nl-handbook.dir/build.make doc/nl/CMakeFiles/doc-nl-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/automoc4 /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/kcm_ufw_automoc.cpp /builddir/build/BUILD/ufw-kde-0.5.0/kcm /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm /usr/lib64/qt4/bin/moc-qt4 /usr/bin/cmake
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[  2%] Generating index.cache.bz2
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper && /usr/bin/automoc4 /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/kcm_ufw_helper_automoc.cpp /builddir/build/BUILD/ufw-kde-0.5.0/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper /usr/lib64/qt4/bin/moc-qt4 /usr/bin/cmake
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/nl && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/nl/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/nl/index.docbook
>[  4%] Generating org.kde.ufw.policy
>cd /builddir/build/BUILD/ufw-kde-0.5.0/helper && /usr/libexec/kde4/kauth-policy-gen /builddir/build/BUILD/ufw-kde-0.5.0/helper/ufw.actions > /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/org.kde.ufw.policy
>Generating logviewer.moc
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Generating moc_helper.cpp
>[  4%] Built target actions for org.kde.ufw
>make -f doc/sv/CMakeFiles/doc-sv-handbook.dir/build.make doc/sv/CMakeFiles/doc-sv-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/sv /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/sv /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/sv/CMakeFiles/doc-sv-handbook.dir/DependInfo.cmake --color=
>Scanning dependencies of target doc-sv-handbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f doc/sv/CMakeFiles/doc-sv-handbook.dir/build.make doc/sv/CMakeFiles/doc-sv-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[  6%] Generating index.cache.bz2
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/sv && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/sv/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/sv/index.docbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[  6%] Built target kcm_ufw_helper_automoc
>make -f doc/de/CMakeFiles/doc-de-handbook.dir/build.make doc/de/CMakeFiles/doc-de-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/de /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/de /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/de/CMakeFiles/doc-de-handbook.dir/DependInfo.cmake --color=
>Generating blocker.moc
>Scanning dependencies of target doc-de-handbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f doc/de/CMakeFiles/doc-de-handbook.dir/build.make doc/de/CMakeFiles/doc-de-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Generating kcm.moc
>[  8%] Generating index.cache.bz2
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/de && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/de/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/de/index.docbook
>Generating ruledialog.moc
>Generating ruleslist.moc
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[  8%] Built target kcm_ufw_automoc
>make -f doc/uk/CMakeFiles/doc-uk-handbook.dir/build.make doc/uk/CMakeFiles/doc-uk-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/uk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/uk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/uk/CMakeFiles/doc-uk-handbook.dir/DependInfo.cmake --color=
>Scanning dependencies of target doc-uk-handbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f doc/uk/CMakeFiles/doc-uk-handbook.dir/build.make doc/uk/CMakeFiles/doc-uk-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 10%] Generating index.cache.bz2
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/uk && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/uk/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/uk/index.docbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 10%] Built target doc-nl-handbook
>make -f doc/pt_BR/CMakeFiles/doc-pt-BR-handbook.dir/build.make doc/pt_BR/CMakeFiles/doc-pt-BR-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/pt_BR /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/pt_BR /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/pt_BR/CMakeFiles/doc-pt-BR-handbook.dir/DependInfo.cmake --color=
>Scanning dependencies of target doc-pt-BR-handbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f doc/pt_BR/CMakeFiles/doc-pt-BR-handbook.dir/build.make doc/pt_BR/CMakeFiles/doc-pt-BR-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 12%] Generating index.cache.bz2
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/pt_BR && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/pt_BR/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/pt_BR/index.docbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 12%] Built target doc-sv-handbook
>make -f doc/en_US/CMakeFiles/doc-en-US-handbook.dir/build.make doc/en_US/CMakeFiles/doc-en-US-handbook.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/doc/en_US /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/en_US /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/en_US/CMakeFiles/doc-en-US-handbook.dir/DependInfo.cmake --color=
>Scanning dependencies of target doc-en-US-handbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f doc/en_US/CMakeFiles/doc-en-US-handbook.dir/build.make doc/en_US/CMakeFiles/doc-en-US-handbook.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 14%] Generating index.cache.bz2
>cd /builddir/build/BUILD/ufw-kde-0.5.0/doc/en_US && /usr/bin/meinproc4 --check --cache /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/doc/en_US/index.cache.bz2 /builddir/build/BUILD/ufw-kde-0.5.0/doc/en_US/index.docbook
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 14%] Built target doc-de-handbook
>make -f po/fi/CMakeFiles/pofiles_1.dir/build.make po/fi/CMakeFiles/pofiles_1.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/fi /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fi /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fi/CMakeFiles/pofiles_1.dir/DependInfo.cmake --color=
>Scanning dependencies of target pofiles_1
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/fi/CMakeFiles/pofiles_1.dir/build.make po/fi/CMakeFiles/pofiles_1.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 16%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/fi && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fi/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/fi/kcm_ufw.po
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 16%] Built target pofiles_1
>make -f po/nl/CMakeFiles/pofiles_2.dir/build.make po/nl/CMakeFiles/pofiles_2.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/nl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/nl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/nl/CMakeFiles/pofiles_2.dir/DependInfo.cmake --color=
>Scanning dependencies of target pofiles_2
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/nl/CMakeFiles/pofiles_2.dir/build.make po/nl/CMakeFiles/pofiles_2.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 18%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/nl && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/nl/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/nl/kcm_ufw.po
>I/O warning : failed to load external entity "/usr/share/kde4/apps/ksgmltools2/customization/xsl/pt-BR.xml"
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 18%] Built target pofiles_2
>make -f po/cs/CMakeFiles/pofiles_3.dir/build.make po/cs/CMakeFiles/pofiles_3.dir/depend
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/cs /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/cs /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/cs/CMakeFiles/pofiles_3.dir/DependInfo.cmake --color=
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_3
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/cs/CMakeFiles/pofiles_3.dir/build.make po/cs/CMakeFiles/pofiles_3.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 18%] Built target doc-uk-handbook
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>make -f po/ast/CMakeFiles/pofiles_4.dir/build.make po/ast/CMakeFiles/pofiles_4.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/ast /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ast /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ast/CMakeFiles/pofiles_4.dir/DependInfo.cmake --color=
>[ 20%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/cs && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/cs/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/cs/kcm_ufw.po
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>Scanning dependencies of target pofiles_4
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ast/CMakeFiles/pofiles_4.dir/build.make po/ast/CMakeFiles/pofiles_4.dir/build
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>[ 20%] Built target pofiles_3
>make -f po/sk/CMakeFiles/pofiles_5.dir/build.make po/sk/CMakeFiles/pofiles_5.dir/depend
>[ 22%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/ast && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ast/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/ast/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/sk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sk/CMakeFiles/pofiles_5.dir/DependInfo.cmake --color=
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_5
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/sk/CMakeFiles/pofiles_5.dir/build.make po/sk/CMakeFiles/pofiles_5.dir/build
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>[ 22%] Built target pofiles_4
>make -f po/ca/CMakeFiles/pofiles_6.dir/build.make po/ca/CMakeFiles/pofiles_6.dir/depend
>No "pt_br" localization of "footer-doc-comment" exists; using "en".
>No "pt_br" localization of "footer-doc-feedback" exists; using "en".
>No "pt_br" localization of "footer-doc-teamname" exists; using "en".
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/ca /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca/CMakeFiles/pofiles_6.dir/DependInfo.cmake --color=
>[ 24%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/sk && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sk/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/sk/kcm_ufw.po
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_6
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ca/CMakeFiles/pofiles_6.dir/build.make po/ca/CMakeFiles/pofiles_6.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 24%] Built target pofiles_5
>make -f po/pl/CMakeFiles/pofiles_7.dir/build.make po/pl/CMakeFiles/pofiles_7.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/pl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pl/CMakeFiles/pofiles_7.dir/DependInfo.cmake --color=
>[ 26%] Generating kcm_ufw.gmo
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/ca && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/ca/kcm_ufw.po
>Scanning dependencies of target pofiles_7
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/pl/CMakeFiles/pofiles_7.dir/build.make po/pl/CMakeFiles/pofiles_7.dir/build
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 26%] Built target doc-pt-BR-handbook
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ca@valencia/CMakeFiles/pofiles_8.dir/build.make po/ca@valencia/CMakeFiles/pofiles_8.dir/depend
>[ 28%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/pl && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pl/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/pl/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/ca@valencia /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca@valencia /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca@valencia/CMakeFiles/pofiles_8.dir/DependInfo.cmake --color=
>[ 28%] Built target pofiles_6
>make -f po/ko/CMakeFiles/pofiles_9.dir/build.make po/ko/CMakeFiles/pofiles_9.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/ko /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ko /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ko/CMakeFiles/pofiles_9.dir/DependInfo.cmake --color=
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_8
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ca@valencia/CMakeFiles/pofiles_8.dir/build.make po/ca@valencia/CMakeFiles/pofiles_8.dir/build
>Scanning dependencies of target pofiles_9
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ko/CMakeFiles/pofiles_9.dir/build.make po/ko/CMakeFiles/pofiles_9.dir/build
>[ 28%] Built target pofiles_7
>make -f po/ja/CMakeFiles/pofiles_10.dir/build.make po/ja/CMakeFiles/pofiles_10.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/ja /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ja /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ja/CMakeFiles/pofiles_10.dir/DependInfo.cmake --color=
>[ 28%] Built target doc-en-US-handbook
>make -f po/pt/CMakeFiles/pofiles_11.dir/build.make po/pt/CMakeFiles/pofiles_11.dir/depend
>[ 30%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/ko && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ko/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/ko/kcm_ufw.po
>[ 32%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/ca@valencia && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ca@valencia/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/ca@valencia/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/pt /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt/CMakeFiles/pofiles_11.dir/DependInfo.cmake --color=
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_10
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/ja/CMakeFiles/pofiles_10.dir/build.make po/ja/CMakeFiles/pofiles_10.dir/build
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_11
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/pt/CMakeFiles/pofiles_11.dir/build.make po/pt/CMakeFiles/pofiles_11.dir/build
>[ 32%] Built target pofiles_9
>make -f po/sv/CMakeFiles/pofiles_12.dir/build.make po/sv/CMakeFiles/pofiles_12.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/sv /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sv /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sv/CMakeFiles/pofiles_12.dir/DependInfo.cmake --color=
>[ 34%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/ja && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/ja/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/ja/kcm_ufw.po
>[ 34%] Built target pofiles_8
>make -f po/es/CMakeFiles/pofiles_13.dir/build.make po/es/CMakeFiles/pofiles_13.dir/depend
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 36%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/pt && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/pt/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/es /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/es /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/es/CMakeFiles/pofiles_13.dir/DependInfo.cmake --color=
>Scanning dependencies of target pofiles_12
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/sv/CMakeFiles/pofiles_12.dir/build.make po/sv/CMakeFiles/pofiles_12.dir/build
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 36%] Built target pofiles_10
>make -f po/de/CMakeFiles/pofiles_14.dir/build.make po/de/CMakeFiles/pofiles_14.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_13
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/es/CMakeFiles/pofiles_13.dir/build.make po/es/CMakeFiles/pofiles_13.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/de /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/de /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/de/CMakeFiles/pofiles_14.dir/DependInfo.cmake --color=
>[ 36%] Built target pofiles_11
>make -f po/uk/CMakeFiles/pofiles_15.dir/build.make po/uk/CMakeFiles/pofiles_15.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 38%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/sv && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/sv/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/sv/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/uk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/uk /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/uk/CMakeFiles/pofiles_15.dir/DependInfo.cmake --color=
>Scanning dependencies of target pofiles_14
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/de/CMakeFiles/pofiles_14.dir/build.make po/de/CMakeFiles/pofiles_14.dir/build
>[ 40%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/es && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/es/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/es/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_15
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/uk/CMakeFiles/pofiles_15.dir/build.make po/uk/CMakeFiles/pofiles_15.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 40%] Built target pofiles_12
>make -f po/pt_BR/CMakeFiles/pofiles_16.dir/build.make po/pt_BR/CMakeFiles/pofiles_16.dir/depend
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 42%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/de && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/de/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/de/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/pt_BR /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt_BR /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt_BR/CMakeFiles/pofiles_16.dir/DependInfo.cmake --color=
>[ 44%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/uk && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/uk/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/uk/kcm_ufw.po
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 44%] Built target pofiles_13
>make -f po/hu/CMakeFiles/pofiles_17.dir/build.make po/hu/CMakeFiles/pofiles_17.dir/depend
>Scanning dependencies of target pofiles_16
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/pt_BR/CMakeFiles/pofiles_16.dir/build.make po/pt_BR/CMakeFiles/pofiles_16.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/hu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/hu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/hu/CMakeFiles/pofiles_17.dir/DependInfo.cmake --color=
>[ 44%] Built target pofiles_14
>make -f po/gl/CMakeFiles/pofiles_18.dir/build.make po/gl/CMakeFiles/pofiles_18.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/gl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/gl /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/gl/CMakeFiles/pofiles_18.dir/DependInfo.cmake --color=
>[ 44%] Built target pofiles_15
>make -f po/bs/CMakeFiles/pofiles_19.dir/build.make po/bs/CMakeFiles/pofiles_19.dir/depend
>Scanning dependencies of target pofiles_17
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/hu/CMakeFiles/pofiles_17.dir/build.make po/hu/CMakeFiles/pofiles_17.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/bs /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/bs /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/bs/CMakeFiles/pofiles_19.dir/DependInfo.cmake --color=
>Scanning dependencies of target pofiles_18
>[ 46%] Generating kcm_ufw.gmo
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/gl/CMakeFiles/pofiles_18.dir/build.make po/gl/CMakeFiles/pofiles_18.dir/build
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/pt_BR && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/pt_BR/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/pt_BR/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target pofiles_19
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/bs/CMakeFiles/pofiles_19.dir/build.make po/bs/CMakeFiles/pofiles_19.dir/build
>[ 48%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/gl && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/gl/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/gl/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 51%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/hu && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/hu/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/hu/kcm_ufw.po
>[ 51%] Built target pofiles_16
>make -f po/lt/CMakeFiles/pofiles_20.dir/build.make po/lt/CMakeFiles/pofiles_20.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/lt /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/lt /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/lt/CMakeFiles/pofiles_20.dir/DependInfo.cmake --color=
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 53%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/bs && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/bs/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/bs/kcm_ufw.po
>Scanning dependencies of target pofiles_20
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/lt/CMakeFiles/pofiles_20.dir/build.make po/lt/CMakeFiles/pofiles_20.dir/build
>[ 53%] Built target pofiles_17
>make -f po/fr/CMakeFiles/pofiles_21.dir/build.make po/fr/CMakeFiles/pofiles_21.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/po/fr /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fr /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fr/CMakeFiles/pofiles_21.dir/DependInfo.cmake --color=
>[ 53%] Built target pofiles_18
>make -f helper/CMakeFiles/kcm_ufw_helper.dir/build.make helper/CMakeFiles/kcm_ufw_helper.dir/depend
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/CMakeFiles/kcm_ufw_helper.dir/DependInfo.cmake --color=
>[ 53%] Built target pofiles_19
>make -f kcm/CMakeFiles/kcm_ufw.dir/build.make kcm/CMakeFiles/kcm_ufw.dir/depend
>[ 55%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/lt && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/lt/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/lt/kcm_ufw.po
>Scanning dependencies of target pofiles_21
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f po/fr/CMakeFiles/pofiles_21.dir/build.make po/fr/CMakeFiles/pofiles_21.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>Scanning dependencies of target kcm_ufw_helper
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f helper/CMakeFiles/kcm_ufw_helper.dir/build.make helper/CMakeFiles/kcm_ufw_helper.dir/build
>[ 57%] Generating ui_rulewidget.h
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/cmake -DKDE4_HEADER:BOOL=ON -DKDE_UIC_EXECUTABLE:FILEPATH=/usr/lib64/qt4/bin/uic-qt4 -DKDE_UIC_FILE:FILEPATH=/builddir/build/BUILD/ufw-kde-0.5.0/kcm/rulewidget.ui -DKDE_UIC_H_FILE:FILEPATH=/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/ui_rulewidget.h -DKDE_UIC_BASENAME:STRING=rulewidget -P /usr/share/kde4/apps/cmake/modules/kde4uic.cmake
>[ 59%] Generating kcm_ufw.gmo
>cd /builddir/build/BUILD/ufw-kde-0.5.0/po/fr && /usr/bin/msgfmt -o /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/po/fr/kcm_ufw.gmo /builddir/build/BUILD/ufw-kde-0.5.0/po/fr/kcm_ufw.po
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 59%] Built target pofiles_20
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 61%] Generating ui_ufw.h
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/cmake -DKDE4_HEADER:BOOL=ON -DKDE_UIC_EXECUTABLE:FILEPATH=/usr/lib64/qt4/bin/uic-qt4 -DKDE_UIC_FILE:FILEPATH=/builddir/build/BUILD/ufw-kde-0.5.0/kcm/ufw.ui -DKDE_UIC_H_FILE:FILEPATH=/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/ui_ufw.h -DKDE_UIC_BASENAME:STRING=ufw -P /usr/share/kde4/apps/cmake/modules/kde4uic.cmake
>[ 63%] Building CXX object helper/CMakeFiles/kcm_ufw_helper.dir/kcm_ufw_helper_automoc.cpp.o
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper && /usr/bin/c++  -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG   -o CMakeFiles/kcm_ufw_helper.dir/kcm_ufw_helper_automoc.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/kcm_ufw_helper_automoc.cpp
>[ 63%] Built target pofiles_21
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /builddir/build/BUILD/ufw-kde-0.5.0 /builddir/build/BUILD/ufw-kde-0.5.0/kcm /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/CMakeFiles/kcm_ufw.dir/DependInfo.cmake --color=
>[ 65%] Building CXX object helper/CMakeFiles/kcm_ufw_helper.dir/helper.cpp.o
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper && /usr/bin/c++  -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG   -o CMakeFiles/kcm_ufw_helper.dir/helper.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/helper/helper.cpp
>Scanning dependencies of target kcm_ufw
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make -f kcm/CMakeFiles/kcm_ufw.dir/build.make kcm/CMakeFiles/kcm_ufw.dir/build
>make[2]: Entering directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 67%] Building CXX object kcm/CMakeFiles/kcm_ufw.dir/kcm_ufw_automoc.cpp.o
>[ 69%] Building CXX object kcm/CMakeFiles/kcm_ufw.dir/kcm.cpp.o
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/c++  -DMAKE_KCM_UFW_LIB -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG -fPIC   -o CMakeFiles/kcm_ufw.dir/kcm_ufw_automoc.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm/kcm_ufw_automoc.cpp
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/c++  -DMAKE_KCM_UFW_LIB -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG -fPIC   -o CMakeFiles/kcm_ufw.dir/kcm.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp
>[ 71%] Building CXX object kcm/CMakeFiles/kcm_ufw.dir/ruledialog.cpp.o
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/c++  -DMAKE_KCM_UFW_LIB -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG -fPIC   -o CMakeFiles/kcm_ufw.dir/ruledialog.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp
>/builddir/build/BUILD/ufw-kde-0.5.0/helper/helper.cpp:76:61: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
>         QStringList profiles=dir.entryList(QStringList() << "*"PROFILE_EXTENSION);
>                                                             ^
>/builddir/build/BUILD/ufw-kde-0.5.0/helper/helper.cpp:255:76: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
>     reply.addData("profiles", QDir(KCM_UFW_DIR).entryList(QStringList() << "*"PROFILE_EXTENSION));
>                                                                            ^
>/builddir/build/BUILD/ufw-kde-0.5.0/helper/helper.cpp:279:76: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
>     reply.addData("profiles", QDir(KCM_UFW_DIR).entryList(QStringList() << "*"PROFILE_EXTENSION));
>                                                                            ^
>/builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:788:86: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
>     QStringList                files(KGlobal::dirs()->findAllResources("data", FOLDER"/*"EXTENSION, KStandardDirs::NoDuplicates));
>                                                                                      ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:369:1: error: template specialization with C linkage
> Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
> ^~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:52:3: error: template with C linkage
>   template<class _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:55:3: error: template specialization with C linkage
>   template<> struct char_traits<char>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:58:3: error: template specialization with C linkage
>   template<> struct char_traits<wchar_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:63:3: error: template specialization with C linkage
>   template<> struct char_traits<char16_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:64:3: error: template specialization with C linkage
>   template<> struct char_traits<char32_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:69:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/postypes.h:111:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/postypes.h:214:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/postypes.h:219:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:61:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:86:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:148:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:161:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:172:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:183:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:192:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:202:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:268:3: error: template with C linkage
>   template<class _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:274:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:387:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:507:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:604:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:57:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:153:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:158:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:47:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:67:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:107:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:144:3: error: template with C linkage
>   template<typename _T1, typename _T2>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:150:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:156:3: error: template with C linkage
>   template<typename _T1, typename _T2>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:162:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:170:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:178:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:186:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:207:3: error: template with C linkage
>   template<typename _Alloc, bool = __is_empty(_Alloc)>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:211:3: error: template with C linkage
>   template<typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:224:3: error: template with C linkage
>   template<typename _Alloc, bool = __is_empty(_Alloc)>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:232:3: error: template with C linkage
>   template<typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:241:3: error: template with C linkage
>   template<typename _Tp, bool
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/allocator.h:247:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:76:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:79:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:82:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:85:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:88:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:94:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:98:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:102:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:106:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:112:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:115:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:118:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:121:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:124:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/iosfwd:127:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:57:3: error: template with C linkage
>   template<typename _Facet>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:61:3: error: template with C linkage
>   template<typename _Facet>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:66:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:70:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:74:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:78:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:82:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:86:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:90:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:94:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:98:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:102:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:106:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:111:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:116:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:120:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:126:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:128:3: error: template specialization with C linkage
>   template<> class ctype<char>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:130:3: error: template specialization with C linkage
>   template<> class ctype<wchar_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:132:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:137:3: error: template with C linkage
>   template<typename _InternT, typename _ExternT, typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:139:3: error: template specialization with C linkage
>   template<> class codecvt<char, char, mbstate_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:141:3: error: template specialization with C linkage
>   template<> class codecvt<wchar_t, char, mbstate_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:143:3: error: template with C linkage
>   template<typename _InternT, typename _ExternT, typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:148:3: error: template with C linkage
>   template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:369:1: error: template specialization with C linkage
> Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
> ^~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:52:3: error: template with C linkage
>   template<class _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:55:3: error: template specialization with C linkage
>   template<> struct char_traits<char>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:58:3: error: template specialization with C linkage
>   template<> struct char_traits<wchar_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:63:3: error: template specialization with C linkage
>   template<> struct char_traits<char16_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:64:3: error: template specialization with C linkage
>   template<> struct char_traits<char32_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:39,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stringfwd.h:69:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/postypes.h:111:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/postypes.h:214:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/char_traits.h:40,
>                 from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/postypes.h:219:3: error: template with C linkage
>   template<typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:61:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:86:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:148:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:161:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:172:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:183:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:192:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:202:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:268:3: error: template with C linkage
>   template<class _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:274:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:387:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:507:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:150:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:154:3: error: template with C linkage
>   template<typename _CharT> class numpunct;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:155:3: error: template with C linkage
>   template<typename _CharT> class numpunct_byname;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:160:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:162:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:169:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:171:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:174:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:176:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:40,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/char_traits.h:604:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:182:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:184:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:188:3: error: template with C linkage
>   template<typename _CharT, bool _Intl = false>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:190:3: error: template with C linkage
>   template<typename _CharT, bool _Intl = false>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:197:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:199:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:42:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:55:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:57:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:74:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:153:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:104:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:33,
>                 from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ext/new_allocator.h:158:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:117:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/allocator.h:46,
>                 from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ppc64-redhat-linux/bits/c++allocator.h:47:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:146:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:149:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:67:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:152:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:155:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:107:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:158:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:161:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:166:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:176:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:144:3: error: template with C linkage
>   template<typename _T1, typename _T2>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:150:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:186:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:156:3: error: template with C linkage
>   template<typename _T1, typename _T2>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:196:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:162:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:206:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:170:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:216:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:178:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:229:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:186:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:244:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:259:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:274:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:289:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:304:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:207:3: error: template with C linkage
>   template<typename _Alloc, bool = __is_empty(_Alloc)>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:330:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:211:3: error: template with C linkage
>   template<typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:333:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:336:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:224:3: error: template with C linkage
>   template<typename _Alloc, bool = __is_empty(_Alloc)>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:339:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:232:3: error: template with C linkage
>   template<typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:342:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:345:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:241:3: error: template with C linkage
>   template<typename _Tp, bool
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:350:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:41,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/allocator.h:247:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:360:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:370:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:380:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:390:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:400:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:410:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:76:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:79:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:423:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:82:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:85:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:436:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:88:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:94:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:449:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:98:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:463:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:102:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:106:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT>,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:477:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:112:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:115:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:118:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:491:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:121:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:124:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/localefwd.h:41,
>                 from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/iosfwd:127:3: error: template with C linkage
>   template<typename _CharT, typename _Traits = char_traits<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:553:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:57:3: error: template with C linkage
>   template<typename _Facet>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:61:3: error: template with C linkage
>   template<typename _Facet>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:66:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:70:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:74:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:78:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:82:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:615:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:86:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:90:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:94:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:98:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:102:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:106:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:111:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:116:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:120:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:677:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:126:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:128:3: error: template specialization with C linkage
>   template<> class ctype<char>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:130:3: error: template specialization with C linkage
>   template<> class ctype<wchar_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:132:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:137:3: error: template with C linkage
>   template<typename _InternT, typename _ExternT, typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:139:3: error: template specialization with C linkage
>   template<> class codecvt<char, char, mbstate_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:141:3: error: template specialization with C linkage
>   template<> class codecvt<wchar_t, char, mbstate_t>;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:143:3: error: template with C linkage
>   template<typename _InternT, typename _ExternT, typename _StateT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:148:3: error: template with C linkage
>   template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:150:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:750:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:154:3: error: template with C linkage
>   template<typename _CharT> class numpunct;
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:753:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:155:3: error: template with C linkage
>   template<typename _CharT> class numpunct_byname;
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:756:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:160:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:761:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:162:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:771:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:169:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:171:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:781:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:174:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:792:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:176:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:182:3: error: template with C linkage
>   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:807:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:184:3: error: template with C linkage
>   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:188:3: error: template with C linkage
>   template<typename _CharT, bool _Intl = false>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:190:3: error: template with C linkage
>   template<typename _CharT, bool _Intl = false>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:822:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:197:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:839:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:43,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/localefwd.h:199:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:842:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:845:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:42:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:848:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:854:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:55:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:863:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:44,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/ostream_insert.h:74:3: error: template with C linkage
>   template<typename _CharT, typename _Traits>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:872:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:881:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:891:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:905:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:104:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:919:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:117:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:146:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:933:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:149:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:152:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:978:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:155:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:158:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:997:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:161:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1004:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:166:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:176:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1025:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1055:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:186:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:196:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:206:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:216:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:229:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:244:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:259:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:274:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:289:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:304:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:330:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:333:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:336:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:339:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:342:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:345:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:350:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:360:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:370:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:380:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:390:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:400:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:410:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:423:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:436:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:449:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:463:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:477:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:491:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:553:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:615:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:677:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:750:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:753:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:756:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:761:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:771:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:781:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:792:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:807:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:822:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:839:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:842:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:845:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:848:3: error: template with C linkage
>   template<typename _Tp = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:854:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:863:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:872:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:881:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:891:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:905:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:919:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:933:3: error: template specialization with C linkage
>   template <>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:978:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:997:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1004:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1025:3: error: template with C linkage
>   template<typename _Predicate>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1055:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1074:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1080:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1100:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1106:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1120:3: error: template with C linkage
>   template<typename _Tp> struct _Identity<const _Tp> : _Identity<_Tp> { };
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1122:3: error: template with C linkage
>   template<typename _Pair>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1147:3: error: template with C linkage
>   template<typename _Pair>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1178:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1196:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1214:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1232:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1250:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1268:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1286:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1304:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1322:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1327:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1332:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1337:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1342:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1347:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1352:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1357:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/backward/binders.h:107:3: error: template with C linkage
>   template<typename _Operation>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/backward/binders.h:133:3: error: template with C linkage
>   template<typename _Operation, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/backward/binders.h:142:3: error: template with C linkage
>   template<typename _Operation>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/backward/binders.h:168:3: error: template with C linkage
>   template<typename _Operation, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:46:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:56:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:66:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:76:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:85:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:95:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:102:3: error: template with C linkage
>   template<typename _Tp> class valarray;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:104:3: error: template with C linkage
>   template<typename _Tp> _Tp* begin(valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:105:3: error: template with C linkage
>   template<typename _Tp> const _Tp* begin(const valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:106:3: error: template with C linkage
>   template<typename _Tp> _Tp* end(valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:107:3: error: template with C linkage
>   template<typename _Tp> const _Tp* end(const valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:114:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:125:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:136:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:146:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:156:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:166:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:176:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:186:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:196:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:206:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:216:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/range_access.h:226:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:76:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1074:3: error: template with C linkage
>   template<typename _Arg, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1080:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1100:3: error: template with C linkage
>   template<typename _Arg1, typename _Arg2, typename _Result>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1106:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1120:3: error: template with C linkage
>   template<typename _Tp> struct _Identity<const _Tp> : _Identity<_Tp> { };
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1122:3: error: template with C linkage
>   template<typename _Pair>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1147:3: error: template with C linkage
>   template<typename _Pair>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1178:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1196:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1214:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1232:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1250:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1268:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1286:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1304:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1322:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1327:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1332:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1337:3: error: template with C linkage
>   template<typename _Ret, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1342:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1347:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1352:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/stl_function.h:1357:3: error: template with C linkage
>   template<typename _Ret, typename _Tp, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/backward/binders.h:107:3: error: template with C linkage
>   template<typename _Operation>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/backward/binders.h:133:3: error: template with C linkage
>   template<typename _Operation, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/backward/binders.h:142:3: error: template with C linkage
>   template<typename _Operation>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/stl_function.h:1368,
>                 from /usr/include/c++/8/string:48,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/backward/binders.h:168:3: error: template with C linkage
>   template<typename _Operation, typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:46:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:56:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:66:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:76:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:85:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:95:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5886:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:102:3: error: template with C linkage
>   template<typename _Tp> class valarray;
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:104:3: error: template with C linkage
>   template<typename _Tp> _Tp* begin(valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5902:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:105:3: error: template with C linkage
>   template<typename _Tp> const _Tp* begin(const valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5913:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:106:3: error: template with C linkage
>   template<typename _Tp> _Tp* end(valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5923:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:107:3: error: template with C linkage
>   template<typename _Tp> const _Tp* end(const valarray<_Tp>&);
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:114:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5939:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:125:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5951:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:136:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5957:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:146:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5963:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:156:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:166:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5975:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:176:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5981:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:186:3: error: template with C linkage
>   template<typename _Tp, size_t _Nm>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5987:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:196:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5993:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:206:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6007:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:216:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6014:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:51,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/range_access.h:226:3: error: template with C linkage
>   template<typename _Container>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6029:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6041:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6054:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6067:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6079:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6092:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6105:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6117:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6130:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6143:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6155:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6168:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6181:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6193:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6206:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6219:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6231:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6244:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6264:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6269:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6282:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6305:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6322:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6330:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6337:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6344:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6350:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:76:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6361,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ext/string_conversions.h:51:3: error: template with C linkage
>   template<typename _TRet, typename _Ret = _TRet, typename _CharT,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6361,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/ext/string_conversions.h:97:3: error: template with C linkage
>   template<typename _String, typename _CharT = typename _String::value_type>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6419:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6477:3: error: conflicting declaration of C function 'int std::__cxx11::stoi(const wstring&, std::size_t*, int)'
>   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6371:3: note: previous declaration 'int std::__cxx11::stoi(const string&, std::size_t*, int)'
>   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6482:3: error: conflicting declaration of C function 'long int std::__cxx11::stol(const wstring&, std::size_t*, int)'
>   stol(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6376:3: note: previous declaration 'long int std::__cxx11::stol(const string&, std::size_t*, int)'
>   stol(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6487:3: error: conflicting declaration of C function 'long unsigned int std::__cxx11::stoul(const wstring&, std::size_t*, int)'
>   stoul(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6381:3: note: previous declaration 'long unsigned int std::__cxx11::stoul(const string&, std::size_t*, int)'
>   stoul(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6492:3: error: conflicting declaration of C function 'long long int std::__cxx11::stoll(const wstring&, std::size_t*, int)'
>   stoll(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6386:3: note: previous declaration 'long long int std::__cxx11::stoll(const string&, std::size_t*, int)'
>   stoll(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6497:3: error: conflicting declaration of C function 'long long unsigned int std::__cxx11::stoull(const wstring&, std::size_t*, int)'
>   stoull(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~~
>/usr/include/c++/8/bits/basic_string.h:6391:3: note: previous declaration 'long long unsigned int std::__cxx11::stoull(const string&, std::size_t*, int)'
>   stoull(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~~
>/usr/include/c++/8/bits/basic_string.h:6503:3: error: conflicting declaration of C function 'float std::__cxx11::stof(const wstring&, std::size_t*)'
>   stof(const wstring& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6397:3: note: previous declaration 'float std::__cxx11::stof(const string&, std::size_t*)'
>   stof(const string& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6507:3: error: conflicting declaration of C function 'double std::__cxx11::stod(const wstring&, std::size_t*)'
>   stod(const wstring& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6401:3: note: previous declaration 'double std::__cxx11::stod(const string&, std::size_t*)'
>   stod(const string& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6511:3: error: conflicting declaration of C function 'long double std::__cxx11::stold(const wstring&, std::size_t*)'
>   stold(const wstring& __str, size_t* __idx = 0)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6405:3: note: previous declaration 'long double std::__cxx11::stold(const string&, std::size_t*)'
>   stold(const string& __str, size_t* __idx = 0)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:49:3: error: template with C linkage
>   template<typename _Result, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:57:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:60:3: error: template with C linkage
>   template<typename _Tp, typename = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:70:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:77:3: error: template with C linkage
>   template<typename _Tp, bool = is_enum<_Tp>::value>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:87:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:100:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:105:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:124:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(bool)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:127:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:130:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(signed char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:133:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:136:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(wchar_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:139:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char16_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:142:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char32_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:145:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(short)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:148:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(int)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:151:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:154:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(long long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:157:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned short)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:160:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned int)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:163:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:166:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned long long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:169:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:170:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0 unsigned)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:194:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:199:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:213:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:218:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:225:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5886:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:237:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5902:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5913:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:249:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5923:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5939:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:263:3: error: template with C linkage
>   template<typename _Hash>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:267:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5951:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6597:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5957:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5963:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6606:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6612:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5975:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5981:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6622:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5987:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6630:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:5993:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6007:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6014:3: error: template with C linkage
>   template<typename _CharT>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6029:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6041:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6054:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6067:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6079:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6092:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6105:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6117:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6130:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6143:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6155:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6168:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6181:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6193:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6206:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6219:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6231:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6244:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6640:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6645:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6655:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6672:48: error: literal operator with C linkage
>     operator""s(const char* __str, size_t __len)
>                                                ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6678:51: error: literal operator with C linkage
>     operator""s(const wchar_t* __str, size_t __len)
>                                                   ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6685:52: error: literal operator with C linkage
>     operator""s(const char16_t* __str, size_t __len)
>                                                    ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6690:52: error: literal operator with C linkage
>     operator""s(const char32_t* __str, size_t __len)
>                                                    ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:52:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:56:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:130:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:160:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:203:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:235:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:252:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:278:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:308:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:332:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:345:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:357:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:376:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:390:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:419:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:472:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1155:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1171:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1185:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1221:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1239:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1261:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1278:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1294:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1316:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1329:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1340:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1362:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1382:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1397:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1415:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1430:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1446:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1463:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6264:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6269:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1535:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6282:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6305:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6322:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:81:1: error: template with C linkage
> template <typename T> class QVector;
> ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6330:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6337:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6344:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6350:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:647:24: error: conflicting declaration of C function 'bool qStringComparisonHelper(const QStringRef&, const char*)'
>     friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:646:24: note: previous declaration 'bool qStringComparisonHelper(const QString&, const char*)'
>     friend inline bool qStringComparisonHelper(const QString &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6361,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ext/string_conversions.h:51:3: error: template with C linkage
>   template<typename _TRet, typename _Ret = _TRet, typename _CharT,
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6361,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/ext/string_conversions.h:97:3: error: template with C linkage
>   template<typename _String, typename _CharT = typename _String::value_type>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h: In constructor 'QString::QString(const QByteArray&)':
>/usr/include/QtCore/qstring.h:422:30: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                              ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:422:54: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                                      ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:422:69: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                                                     ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:422:45: error: 'qstrnlen' was not declared in this scope
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                             ^~~~~~~~
>/usr/include/QtCore/qstring.h:422:45: note: suggested alternative: 'strnlen'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                             ^~~~~~~~
>                                             strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::operator=(const QByteArray&)':
>/usr/include/QtCore/qstring.h:427:33: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                 ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:427:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:427:72: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:427:48: error: 'qstrnlen' was not declared in this scope
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:427:48: note: suggested alternative: 'strnlen'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                ^~~~~~~~
>                                                strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::prepend(const QByteArray&)':
>/usr/include/QtCore/qstring.h:435:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:435:65: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                 ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:435:80: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:435:56: error: 'qstrnlen' was not declared in this scope
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                        ^~~~~~~~
>/usr/include/QtCore/qstring.h:435:56: note: suggested alternative: 'strnlen'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                        ^~~~~~~~
>                                                        strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::append(const QByteArray&)':
>/usr/include/QtCore/qstring.h:439:40: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:439:64: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:439:79: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                               ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:439:55: error: 'qstrnlen' was not declared in this scope
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>/usr/include/QtCore/qstring.h:439:55: note: suggested alternative: 'strnlen'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>                                                       strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::operator+=(const QByteArray&)':
>/usr/include/QtCore/qstring.h:443:40: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:443:64: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:443:79: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                               ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:443:55: error: 'qstrnlen' was not declared in this scope
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>/usr/include/QtCore/qstring.h:443:55: note: suggested alternative: 'strnlen'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>                                                       strnlen
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator<(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:457:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this < QString::fromAscii(s.constData(), s.size()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:457:56: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this < QString::fromAscii(s.constData(), s.size()); }
>                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator>(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:459:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this > QString::fromAscii(s.constData(), s.size()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:459:56: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this > QString::fromAscii(s.constData(), s.size()); }
>                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator<=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:461:42: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this <= QString::fromAscii(s.constData(), s.size()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:461:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this <= QString::fromAscii(s.constData(), s.size()); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator>=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:463:42: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this >= QString::fromAscii(s.constData(), s.size()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:463:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this >= QString::fromAscii(s.constData(), s.size()); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6419:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6457:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(double)'
>   to_string(double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6448:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(float)'
>   to_string(float __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6442:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long unsigned int)'
>   to_string(unsigned long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6436:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long long int)'
>   to_string(long long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6430:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long unsigned int)'
>   to_string(unsigned long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6425:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(long int)'
>   to_string(long __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6419:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(unsigned int)'
>   to_string(unsigned __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6466:3: error: conflicting declaration of C function 'std::__cxx11::string std::__cxx11::to_string(long double)'
>   to_string(long double __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6414:3: note: previous declaration 'std::__cxx11::string std::__cxx11::to_string(int)'
>   to_string(int __val)
>   ^~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6477:3: error: conflicting declaration of C function 'int std::__cxx11::stoi(const wstring&, std::size_t*, int)'
>   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6371:3: note: previous declaration 'int std::__cxx11::stoi(const string&, std::size_t*, int)'
>   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6482:3: error: conflicting declaration of C function 'long int std::__cxx11::stol(const wstring&, std::size_t*, int)'
>   stol(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6376:3: note: previous declaration 'long int std::__cxx11::stol(const string&, std::size_t*, int)'
>   stol(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:908:13: error: conflicting declaration of C function 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6487:3: error: conflicting declaration of C function 'long unsigned int std::__cxx11::stoul(const wstring&, std::size_t*, int)'
>   stoul(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6381:3: note: previous declaration 'long unsigned int std::__cxx11::stoul(const string&, std::size_t*, int)'
>   stoul(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:909:13: error: conflicting declaration of C function 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: error: conflicting declaration of C function 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6492:3: error: conflicting declaration of C function 'long long int std::__cxx11::stoll(const wstring&, std::size_t*, int)'
>   stoll(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6386:3: note: previous declaration 'long long int std::__cxx11::stoll(const string&, std::size_t*, int)'
>   stoll(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6497:3: error: conflicting declaration of C function 'long long unsigned int std::__cxx11::stoull(const wstring&, std::size_t*, int)'
>   stoull(const wstring& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:911:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6391:3: note: previous declaration 'long long unsigned int std::__cxx11::stoull(const string&, std::size_t*, int)'
>   stoull(const string& __str, size_t* __idx = 0, int __base = 10)
>   ^~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:912:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6503:3: error: conflicting declaration of C function 'float std::__cxx11::stof(const wstring&, std::size_t*)'
>   stof(const wstring& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6397:3: note: previous declaration 'float std::__cxx11::stof(const string&, std::size_t*)'
>   stof(const string& __str, size_t* __idx = 0)
>   ^~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6507:3: error: conflicting declaration of C function 'double std::__cxx11::stod(const wstring&, std::size_t*)'
>   stod(const wstring& __str, size_t* __idx = 0)
>   ^~~~
>/usr/include/c++/8/bits/basic_string.h:6401:3: note: previous declaration 'double std::__cxx11::stod(const string&, std::size_t*)'
>   stod(const string& __str, size_t* __idx = 0)
>   ^~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:916:13: error: conflicting declaration of C function 'bool qStringComparisonHelper(const QString&, const char*)'
> inline bool qStringComparisonHelper(const QString &s1, const char *s2)
>             ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:647:24: note: previous declaration 'bool qStringComparisonHelper(const QStringRef&, const char*)'
>     friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6511:3: error: conflicting declaration of C function 'long double std::__cxx11::stold(const wstring&, std::size_t*)'
>   stold(const wstring& __str, size_t* __idx = 0)
>   ^~~~~
>/usr/include/c++/8/bits/basic_string.h:6405:3: note: previous declaration 'long double std::__cxx11::stold(const string&, std::size_t*)'
>   stold(const string& __str, size_t* __idx = 0)
>   ^~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:940:32: error: conflicting declaration of C function 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:942:32: error: conflicting declaration of C function 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:944:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:946:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:953:32: error: conflicting declaration of C function 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: error: conflicting declaration of C function 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:955:32: error: conflicting declaration of C function 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: error: conflicting declaration of C function 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:957:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:959:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator==(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:963:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:963:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator!=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:965:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:965:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: note: previous declaration 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator<(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:967:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:967:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: note: previous declaration 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator<=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:969:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:969:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: note: previous declaration 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator>(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:971:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:971:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: note: previous declaration 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator>=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:973:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:973:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator==(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:977:41: error: invalid use of incomplete type 'const class QByteArray'
> { return qStringComparisonHelper(*this, s.constData()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator!=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:979:42: error: invalid use of incomplete type 'const class QByteArray'
> { return !qStringComparisonHelper(*this, s.constData()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:981:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator==(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:983:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator!=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:985:53: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator<(const QString &s) const
>                                                     ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:987:53: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator>(const QString &s) const
>                                                     ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:989:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator<=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:991:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator>=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:996:55: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::append(const QString &s)
>                                                       ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:998:62: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::insert(int i, const QString &s)
>                                                              ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1000:68: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(char c, const QString &after)
>                                                                    ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1002:80: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(const QString &before, const char *after)
>                                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1004:86: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
>                                                                                      ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1006:59: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::operator+=(const QString &s)
>                                                           ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1008:60: error: invalid use of incomplete type 'class QByteArray'
> inline int QByteArray::indexOf(const QString &s, int from) const
>                                                            ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1010:64: error: invalid use of incomplete type 'class QByteArray'
> inline int QByteArray::lastIndexOf(const QString &s, int from) const
>                                                                ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1023:22: error: conflicting declaration of C function 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: error: conflicting declaration of C function 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: error: conflicting declaration of C function 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: note: previous declaration 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h: In function 'const QString operator+(const QByteArray&, const QString&)':
>/usr/include/QtCore/qstring.h:1037:34: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1037:59: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                           ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1037:75: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                                           ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1037:50: error: 'qstrnlen' was not declared in this scope
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                  ^~~~~~~~
>/usr/include/QtCore/qstring.h:1037:50: note: suggested alternative: 'strnlen'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                  ^~~~~~~~
>                                                  strnlen
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>[ 73%] Building CXX object kcm/CMakeFiles/kcm_ufw.dir/types.cpp.o
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm && /usr/bin/c++  -DMAKE_KCM_UFW_LIB -D_BSD_SOURCE -D_DEFAULT_SOURCE -I/usr/include/kde4 -I/usr/include/kde4/KDE -I/usr/include/KDE -I/usr/include/phonon -I/usr/include/QtXmlPatterns -I/usr/include/QtXml -I/usr/include/QtUiTools -I/usr/include/QtTest -I/usr/include/QtSvg -I/usr/include/QtSql -I/usr/include/QtScriptTools -I/usr/include/QtScript -I/usr/include/QtOpenGL -I/usr/include/QtNetwork -I/usr/include/QtMultimedia -I/usr/include/QtHelp -I/usr/include/QtDesigner -I/usr/include/QtDeclarative -I/usr/include/QtDBus -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib64/qt4/mkspecs/default -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/kcm -I/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG -fPIC   -o CMakeFiles/kcm_ufw.dir/types.cpp.o -c /builddir/build/BUILD/ufw-kde-0.5.0/kcm/types.cpp
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 75%] Linking CXX executable kcm_ufw_helper
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper && /usr/bin/cmake -E cmake_link_script CMakeFiles/kcm_ufw_helper.dir/link.txt --verbose=1
>/usr/bin/c++  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -fasynchronous-unwind-tables -fstack-clash-protection -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden -Werror=return-type -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG  -Wl,--enable-new-dtags -Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -rdynamic CMakeFiles/kcm_ufw_helper.dir/kcm_ufw_helper_automoc.cpp.o CMakeFiles/kcm_ufw_helper.dir/helper.cpp.o  -o kcm_ufw_helper  -L/usr/lib64/kde4/devel -Wl,-rpath,/usr/lib64/kde4/devel: /usr/lib64/libkdecore.so.5.14.38 /usr/lib64/libQtDBus.so /usr/lib64/libQtCore.so -lpthread 
>cd /builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper && /usr/bin/cmake -D_filename=/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/kcm_ufw_helper.shell -D_library_path_variable=LD_LIBRARY_PATH -D_ld_library_path="/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/lib/./:/usr/lib64:/usr/lib64/kde4/devel:/usr/lib64" -D_executable=/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu/helper/kcm_ufw_helper -P /usr/share/kde4/apps/cmake/modules/kde4_exec_via_sh.cmake
>make[2]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>[ 75%] Built target kcm_ufw_helper
>make[1]: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>make: Leaving directory '/builddir/build/BUILD/ufw-kde-0.5.0/ppc64-redhat-linux-gnu'
>RPM build errors:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: note: previous declaration 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: note: previous declaration 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h: In function 'const QString operator+(const QString&, const QByteArray&)':
>/usr/include/QtCore/qstring.h:1039:41: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                         ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1039:66: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1039:82: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1039:57: error: 'qstrnlen' was not declared in this scope
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1039:57: note: suggested alternative: 'strnlen'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                         ^~~~~~~~
>                                                         strnlen
>/usr/include/QtCore/qstring.h: In member function 'std::__cxx11::string QString::toStdString() const':
>/usr/include/QtCore/qstring.h:1045:20: error: variable 'const QByteArray asc' has initializer but incomplete type
> { const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
>                    ^~~
>/usr/include/QtCore/qstring.h:1045:34: error: invalid use of incomplete type 'class QByteArray'
> { const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
>                                  ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:1080:28: error: conflicting declaration of C function 'QDataStream& operator<<(QDataStream&, const QString&)'
> Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
>                            ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:400:28: note: previous declaration 'QDataStream& operator<<(QDataStream&, const QChar&)'
> Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QChar &);
>                            ^~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1081:28: error: conflicting declaration of C function 'QDataStream& operator>>(QDataStream&, QString&)'
> Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
>                            ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:401:28: note: previous declaration 'QDataStream& operator>>(QDataStream&, QChar&)'
> Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
>                            ^~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1094:1: error: template specialization with C linkage
> Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
> ^~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6560:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(double)'
>   to_wstring(double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6551:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(float)'
>   to_wstring(float __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6545:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long unsigned int)'
>   to_wstring(unsigned long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6539:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long long int)'
>   to_wstring(long long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6533:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long unsigned int)'
>   to_wstring(unsigned long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6528:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(long int)'
>   to_wstring(long __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6522:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(unsigned int)'
>   to_wstring(unsigned __val)
>   ^~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6569:3: error: conflicting declaration of C function 'std::__cxx11::wstring std::__cxx11::to_wstring(long double)'
>   to_wstring(long double __val)
>   ^~~~~~~~~~
>/usr/include/c++/8/bits/basic_string.h:6517:3: note: previous declaration 'std::__cxx11::wstring std::__cxx11::to_wstring(int)'
>   to_wstring(int __val)
>   ^~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:49:3: error: template with C linkage
>   template<typename _Result, typename _Arg>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:57:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:60:3: error: template with C linkage
>   template<typename _Tp, typename = void>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:70:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:77:3: error: template with C linkage
>   template<typename _Tp, bool = is_enum<_Tp>::value>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:87:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:100:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:105:3: error: template with C linkage
>   template<typename _Tp>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:124:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(bool)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:127:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:130:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(signed char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:133:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned char)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:136:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(wchar_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:139:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char16_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:142:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(char32_t)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:145:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(short)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:148:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(int)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:151:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:154:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(long long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:157:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned short)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:160:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned int)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kdialog.h:31,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>::enum_type)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:163:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:166:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(unsigned long long)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'QIncompatibleFlag operator|(QFlags<QString::SectionFlag>::enum_type, int)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'QIncompatibleFlag operator|(QFlags<QString::SectionFlag>::enum_type, int)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>::enum_type)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:169:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:170:3: error: template specialization with C linkage
>   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0 unsigned)
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:194:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:199:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:213:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:218:5: error: template with C linkage
>     template<typename _Tp>
>     ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:225:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:237:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:249:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:263:3: error: template with C linkage
>   template<typename _Hash>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/bits/basic_string.h:6587,
>                 from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/functional_hash.h:267:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6597:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6606:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6612:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6622:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6630:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6640:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6645:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: note: previous declaration 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: note: previous declaration 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: note: previous declaration 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: note: previous declaration 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: note: previous declaration 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: note: previous declaration 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: note: previous declaration 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: note: previous declaration 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: note: previous declaration 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: note: previous declaration 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: note: previous declaration 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: note: previous declaration 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: note: previous declaration 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: note: previous declaration 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/kconfiggroup.h:32,
>                 from /usr/include/kde4/KDE/../kdialog.h:32,
>                 from /usr/include/kde4/KDE/KDialog:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/ruledialog.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6655:3: error: template specialization with C linkage
>   template<>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6672:48: error: literal operator with C linkage
>     operator""s(const char* __str, size_t __len)
>                                                ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6678:51: error: literal operator with C linkage
>     operator""s(const wchar_t* __str, size_t __len)
>                                                   ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6685:52: error: literal operator with C linkage
>     operator""s(const char16_t* __str, size_t __len)
>                                                    ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:52,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.h:6690:52: error: literal operator with C linkage
>     operator""s(const char32_t* __str, size_t __len)
>                                                    ^
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:52:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:56:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:130:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:160:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:203:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:235:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:252:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:278:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:308:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:332:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:345:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:357:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:376:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:390:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:419:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:472:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1155:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1171:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1185:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1221:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1239:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1261:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1278:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1294:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1316:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1329:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1340:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1362:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1382:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1397:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1415:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1430:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1446:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1463:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/c++/8/string:53,
>                 from /usr/include/QtCore/qstring.h:54,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/c++/8/bits/basic_string.tcc:1535:3: error: template with C linkage
>   template<typename _CharT, typename _Traits, typename _Alloc>
>   ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:81:1: error: template with C linkage
> template <typename T> class QVector;
> ^~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:647:24: error: conflicting declaration of C function 'bool qStringComparisonHelper(const QStringRef&, const char*)'
>     friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:646:24: note: previous declaration 'bool qStringComparisonHelper(const QString&, const char*)'
>     friend inline bool qStringComparisonHelper(const QString &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h: In constructor 'QString::QString(const QByteArray&)':
>/usr/include/QtCore/qstring.h:422:30: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                              ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:422:54: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                                      ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:422:69: error: invalid use of incomplete type 'const class QByteArray'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                                                     ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:422:45: error: 'qstrnlen' was not declared in this scope
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                             ^~~~~~~~
>/usr/include/QtCore/qstring.h:422:45: note: suggested alternative: 'strnlen'
>         : d(fromAscii_helper(a.constData(), qstrnlen(a.constData(), a.size())))
>                                             ^~~~~~~~
>                                             strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::operator=(const QByteArray&)':
>/usr/include/QtCore/qstring.h:427:33: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                 ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:427:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:427:72: error: invalid use of incomplete type 'const class QByteArray'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:427:48: error: 'qstrnlen' was not declared in this scope
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:427:48: note: suggested alternative: 'strnlen'
>     { return (*this = fromAscii(a.constData(), qstrnlen(a.constData(), a.size()))); }
>                                                ^~~~~~~~
>                                                strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::prepend(const QByteArray&)':
>/usr/include/QtCore/qstring.h:435:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:435:65: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                 ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:435:80: error: invalid use of incomplete type 'const class QByteArray'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:435:56: error: 'qstrnlen' was not declared in this scope
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                        ^~~~~~~~
>/usr/include/QtCore/qstring.h:435:56: note: suggested alternative: 'strnlen'
>     { return prepend(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                        ^~~~~~~~
>                                                        strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::append(const QByteArray&)':
>/usr/include/QtCore/qstring.h:439:40: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:439:64: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:439:79: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                               ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:439:55: error: 'qstrnlen' was not declared in this scope
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>/usr/include/QtCore/qstring.h:439:55: note: suggested alternative: 'strnlen'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>                                                       strnlen
>/usr/include/QtCore/qstring.h: In member function 'QString& QString::operator+=(const QByteArray&)':
>/usr/include/QtCore/qstring.h:443:40: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:443:64: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:443:79: error: invalid use of incomplete type 'const class QByteArray'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                                               ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:443:55: error: 'qstrnlen' was not declared in this scope
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>/usr/include/QtCore/qstring.h:443:55: note: suggested alternative: 'strnlen'
>     { return append(QString::fromAscii(s.constData(), qstrnlen(s.constData(), s.size()))); }
>                                                       ^~~~~~~~
>                                                       strnlen
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator<(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:457:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this < QString::fromAscii(s.constData(), s.size()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:457:56: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this < QString::fromAscii(s.constData(), s.size()); }
>                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator>(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:459:41: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this > QString::fromAscii(s.constData(), s.size()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:459:56: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this > QString::fromAscii(s.constData(), s.size()); }
>                                                        ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator<=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:461:42: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this <= QString::fromAscii(s.constData(), s.size()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:461:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this <= QString::fromAscii(s.constData(), s.size()); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator>=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:463:42: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this >= QString::fromAscii(s.constData(), s.size()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:463:57: error: invalid use of incomplete type 'const class QByteArray'
>     { return *this >= QString::fromAscii(s.constData(), s.size()); }
>                                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:908:13: error: conflicting declaration of C function 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:909:13: error: conflicting declaration of C function 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: error: conflicting declaration of C function 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: error: conflicting declaration of C function 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:911:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:912:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: error: conflicting declaration of C function 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: error: conflicting declaration of C function 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:916:13: error: conflicting declaration of C function 'bool qStringComparisonHelper(const QString&, const char*)'
> inline bool qStringComparisonHelper(const QString &s1, const char *s2)
>             ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:647:24: note: previous declaration 'bool qStringComparisonHelper(const QStringRef&, const char*)'
>     friend inline bool qStringComparisonHelper(const QStringRef &s1, const char *s2);
>                        ^~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: error: conflicting declaration of C function 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:940:32: error: conflicting declaration of C function 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:942:32: error: conflicting declaration of C function 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:944:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:946:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: error: conflicting declaration of C function 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:953:32: error: conflicting declaration of C function 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: error: conflicting declaration of C function 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:955:32: error: conflicting declaration of C function 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: error: conflicting declaration of C function 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:957:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: error: conflicting declaration of C function 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:959:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: error: conflicting declaration of C function 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator==(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:963:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:963:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator!=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:965:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:965:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: note: previous declaration 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: error: conflicting declaration of C function 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator<(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:967:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:967:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: note: previous declaration 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: error: conflicting declaration of C function 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator<=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:969:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:969:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: note: previous declaration 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: error: conflicting declaration of C function 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator>(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:971:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:971:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: note: previous declaration 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: error: conflicting declaration of C function 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In function 'bool operator>=(const QLatin1String&, const QLatin1String&)':
>/usr/include/QtCore/qstring.h:973:11: error: 'qstrcmp' was not declared in this scope
> { return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
>           ^~~~~~~
>/usr/include/QtCore/qstring.h:973:11: note: suggested alternative: 'strcmp'
> { return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }
>           ^~~~~~~
>           strcmp
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator==(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:977:41: error: invalid use of incomplete type 'const class QByteArray'
> { return qStringComparisonHelper(*this, s.constData()); }
>                                         ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: In member function 'bool QString::operator!=(const QByteArray&) const':
>/usr/include/QtCore/qstring.h:979:42: error: invalid use of incomplete type 'const class QByteArray'
> { return !qStringComparisonHelper(*this, s.constData()); }
>                                          ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:981:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator==(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:983:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator!=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:985:53: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator<(const QString &s) const
>                                                     ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:987:53: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator>(const QString &s) const
>                                                     ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:989:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator<=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:991:54: error: invalid use of incomplete type 'class QByteArray'
> inline bool QByteArray::operator>=(const QString &s) const
>                                                      ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:996:55: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::append(const QString &s)
>                                                       ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:998:62: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::insert(int i, const QString &s)
>                                                              ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1000:68: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(char c, const QString &after)
>                                                                    ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1002:80: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(const QString &before, const char *after)
>                                                                                ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1004:86: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::replace(const QString &before, const QByteArray &after)
>                                                                                      ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1006:59: error: invalid use of incomplete type 'class QByteArray'
> inline QByteArray &QByteArray::operator+=(const QString &s)
>                                                           ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1008:60: error: invalid use of incomplete type 'class QByteArray'
> inline int QByteArray::indexOf(const QString &s, int from) const
>                                                            ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1010:64: error: invalid use of incomplete type 'class QByteArray'
> inline int QByteArray::lastIndexOf(const QString &s, int from) const
>                                                                ^~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1023:22: error: conflicting declaration of C function 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: error: conflicting declaration of C function 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: error: conflicting declaration of C function 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: error: conflicting declaration of C function 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: error: conflicting declaration of C function 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: error: conflicting declaration of C function 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: note: previous declaration 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: error: conflicting declaration of C function 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h: In function 'const QString operator+(const QByteArray&, const QString&)':
>/usr/include/QtCore/qstring.h:1037:34: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1037:59: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                           ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1037:75: error: invalid use of incomplete type 'const class QByteArray'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                                           ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1037:50: error: 'qstrnlen' was not declared in this scope
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                  ^~~~~~~~
>/usr/include/QtCore/qstring.h:1037:50: note: suggested alternative: 'strnlen'
> { QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }
>                                                  ^~~~~~~~
>                                                  strnlen
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1036:41: note: previous declaration 'const QString operator+(const QByteArray&, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QByteArray &ba, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1034:41: note: previous declaration 'const QString operator+(const QString&, char)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, char c)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1032:41: note: previous declaration 'const QString operator+(char, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(char c, const QString &s)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1030:41: note: previous declaration 'const QString operator+(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const char *s1, const QString &s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1028:41: note: previous declaration 'const QString operator+(const QString&, const char*)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s1, const char *s2)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1025:22: note: previous declaration 'const QString operator+(QChar, const QString&)'
> inline const QString operator+(QChar s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1023:22: note: previous declaration 'const QString operator+(const QString&, QChar)'
> inline const QString operator+(const QString &s1, QChar s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h:1038:41: error: conflicting declaration of C function 'const QString operator+(const QString&, const QByteArray&)'
> inline QT_ASCII_CAST_WARN const QString operator+(const QString &s, const QByteArray &ba)
>                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1021:22: note: previous declaration 'const QString operator+(const QString&, const QString&)'
> inline const QString operator+(const QString &s1, const QString &s2)
>                      ^~~~~~~~
>/usr/include/QtCore/qstring.h: In function 'const QString operator+(const QString&, const QByteArray&)':
>/usr/include/QtCore/qstring.h:1039:41: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                         ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1039:66: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1039:82: error: invalid use of incomplete type 'const class QByteArray'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                                                  ^~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1039:57: error: 'qstrnlen' was not declared in this scope
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                         ^~~~~~~~
>/usr/include/QtCore/qstring.h:1039:57: note: suggested alternative: 'strnlen'
> { QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }
>                                                         ^~~~~~~~
>                                                         strnlen
>/usr/include/QtCore/qstring.h: In member function 'std::__cxx11::string QString::toStdString() const':
>/usr/include/QtCore/qstring.h:1045:20: error: variable 'const QByteArray asc' has initializer but incomplete type
> { const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
>                    ^~~
>/usr/include/QtCore/qstring.h:1045:34: error: invalid use of incomplete type 'class QByteArray'
> { const QByteArray asc = toAscii(); return std::string(asc.constData(), asc.length()); }
>                                  ^
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qglobal.h:2642:7: note: forward declaration of 'class QByteArray'
> class QByteArray;
>       ^~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h: At global scope:
>/usr/include/QtCore/qstring.h:1080:28: error: conflicting declaration of C function 'QDataStream& operator<<(QDataStream&, const QString&)'
> Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
>                            ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:400:28: note: previous declaration 'QDataStream& operator<<(QDataStream&, const QChar&)'
> Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QChar &);
>                            ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1081:28: error: conflicting declaration of C function 'QDataStream& operator>>(QDataStream&, QString&)'
> Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
>                            ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:401:28: note: previous declaration 'QDataStream& operator>>(QDataStream&, QChar&)'
> Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
>                            ^~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1094:1: error: template specialization with C linkage
> Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
> ^~~~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1095:1: error: template specialization with C linkage
> Q_DECLARE_SHARED(QString)
> ^~~~~~~~~~~~~~~~
>In file included from /usr/include/features.h:428,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/os_defines.h:39,
>                 from /usr/include/c++/8/ppc64-redhat-linux/bits/c++config.h:2450,
>                 from /usr/include/c++/8/utility:68,
>                 from /usr/include/c++/8/algorithm:60,
>                 from /usr/include/QtCore/qglobal.h:68,
>                 from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/string.h:28:1: note: 'extern "C"' linkage started here
> __BEGIN_DECLS
> ^~~~~~~~~~~~~
>In file included from /usr/include/kde4/kdemacros.h:162,
>                 from /usr/include/kde4/kdeui_export.h:24,
>                 from /usr/include/kde4/KDE/../kcmodule.h:26,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>::enum_type)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'QIncompatibleFlag operator|(QFlags<QString::SectionFlag>::enum_type, int)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: error: conflicting declaration of C function 'QIncompatibleFlag operator|(QFlags<QString::SectionFlag>::enum_type, int)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>/usr/include/QtCore/qstring.h:1096:1: note: previous declaration 'constexpr QFlags<QString::SectionFlag> operator|(QFlags<QString::SectionFlag>::enum_type, QFlags<QString::SectionFlag>::enum_type)'
> Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: error: conflicting declaration of C function 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: error: conflicting declaration of C function 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: error: conflicting declaration of C function 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: error: conflicting declaration of C function 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:966:13: note: previous declaration 'bool operator<(const QLatin1String&, const QLatin1String&)'
> inline bool operator<(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:953:32: note: previous declaration 'bool operator<(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:940:32: note: previous declaration 'bool operator<(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1220:20: error: conflicting declaration of C function 'bool operator<(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator<(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:396:13: note: previous declaration 'bool operator<(QChar, QChar)'
> inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:970:13: note: previous declaration 'bool operator>(const QLatin1String&, const QLatin1String&)'
> inline bool operator>(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:955:32: note: previous declaration 'bool operator>(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:942:32: note: previous declaration 'bool operator>(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1221:13: error: conflicting declaration of C function 'bool operator>(const QStringRef&, const QStringRef&)'
> inline bool operator>(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:397:13: note: previous declaration 'bool operator>(QChar, QChar)'
> inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:968:13: note: previous declaration 'bool operator<=(const QLatin1String&, const QLatin1String&)'
> inline bool operator<=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:957:32: note: previous declaration 'bool operator<=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:944:32: note: previous declaration 'bool operator<=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator<=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1223:13: error: conflicting declaration of C function 'bool operator<=(const QStringRef&, const QStringRef&)'
> inline bool operator<=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:394:13: note: previous declaration 'bool operator<=(QChar, QChar)'
> inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:972:13: note: previous declaration 'bool operator>=(const QLatin1String&, const QLatin1String&)'
> inline bool operator>=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:959:32: note: previous declaration 'bool operator>=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:946:32: note: previous declaration 'bool operator>=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator>=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1225:13: error: conflicting declaration of C function 'bool operator>=(const QStringRef&, const QStringRef&)'
> inline bool operator>=(const QStringRef &s1, const QStringRef &s2)
>             ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:395:13: note: previous declaration 'bool operator>=(QChar, QChar)'
> inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: note: previous declaration 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: error: conflicting declaration of C function 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1236:32: note: previous declaration 'bool operator==(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1215:13: note: previous declaration 'bool operator==(const QStringRef&, const QLatin1String&)'
> inline bool operator==(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1212:20: note: previous declaration 'bool operator==(const QLatin1String&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QLatin1String &s1, const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1208:13: note: previous declaration 'bool operator==(const QStringRef&, const QString&)'
> inline bool operator==(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1205:20: note: previous declaration 'bool operator==(const QString&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QString &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1202:20: note: previous declaration 'bool operator==(const QStringRef&, const QStringRef&)'
> Q_CORE_EXPORT bool operator==(const QStringRef &s1,const QStringRef &s2);
>                    ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:962:13: note: previous declaration 'bool operator==(const QLatin1String&, const QLatin1String&)'
> inline bool operator==(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:949:32: note: previous declaration 'bool operator==(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:936:32: note: previous declaration 'bool operator==(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator==(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:910:13: note: previous declaration 'bool operator==(const QString&, QString::Null)'
> inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:909:13: note: previous declaration 'bool operator==(QString::Null, const QString&)'
> inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:908:13: note: previous declaration 'bool operator==(QString::Null, QString::Null)'
> inline bool operator==(QString::Null, QString::Null) { return true; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1238:32: error: conflicting declaration of C function 'bool operator==(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator==(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:392:13: note: previous declaration 'bool operator==(QChar, QChar)'
> inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: note: previous declaration 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: error: conflicting declaration of C function 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1240:32: note: previous declaration 'bool operator!=(const char*, const QStringRef&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QStringRef &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1217:13: note: previous declaration 'bool operator!=(const QStringRef&, const QLatin1String&)'
> inline bool operator!=(const QStringRef &s1,const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1213:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QStringRef&)'
> inline bool operator!=(const QLatin1String &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1210:13: note: previous declaration 'bool operator!=(const QStringRef&, const QString&)'
> inline bool operator!=(const QStringRef &s1,const QString &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1206:13: note: previous declaration 'bool operator!=(const QString&, const QStringRef&)'
> inline bool operator!=(const QString &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1203:13: note: previous declaration 'bool operator!=(const QStringRef&, const QStringRef&)'
> inline bool operator!=(const QStringRef &s1,const QStringRef &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:964:13: note: previous declaration 'bool operator!=(const QLatin1String&, const QLatin1String&)'
> inline bool operator!=(const QLatin1String &s1, const QLatin1String &s2)
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:951:32: note: previous declaration 'bool operator!=(const char*, const QLatin1String&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QLatin1String &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:938:32: note: previous declaration 'bool operator!=(const char*, const QString&)'
> inline QT_ASCII_CAST_WARN bool operator!=(const char *s1, const QString &s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:913:13: note: previous declaration 'bool operator!=(const QString&, QString::Null)'
> inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:912:13: note: previous declaration 'bool operator!=(QString::Null, const QString&)'
> inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>/usr/include/QtCore/qstring.h:911:13: note: previous declaration 'bool operator!=(QString::Null, QString::Null)'
> inline bool operator!=(QString::Null, QString::Null) { return false; }
>             ^~~~~~~~
>/usr/include/QtCore/qstring.h:1242:32: error: conflicting declaration of C function 'bool operator!=(const QStringRef&, const char*)'
> inline QT_ASCII_CAST_WARN bool operator!=(const QStringRef &s1, const char *s2)
>                                ^~~~~~~~
>In file included from /usr/include/QtCore/qstring.h:45,
>                 from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qchar.h:393:13: note: previous declaration 'bool operator!=(QChar, QChar)'
> inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
>             ^~~~~~~~
>make[2]: *** [kcm/CMakeFiles/kcm_ufw.dir/build.make:100: kcm/CMakeFiles/kcm_ufw.dir/ruledialog.cpp.o] Error 1
>make[2]: *** Waiting for unfinished jobs....
>/builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp: In member function 'QString UFW::Kcm::getNewProfileName(const QString&, bool)':
>/builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:759:40: warning: ignoring return value of 'QString QString::simplified() const', declared with attribute warn_unused_result [-Wunused-result]
>             name.trimmed().simplified();
>                                        ^
>In file included from /usr/include/QtCore/QString:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/strings.h:27,
>                 from /usr/include/string.h:431,
>                 from /usr/include/QtCore/qbytearray.h:48,
>                 from /usr/include/QtCore/qvariant.h:46,
>                 from /usr/include/QtCore/QVariant:1,
>                 from /usr/include/kde4/KDE/../kcmodule.h:28,
>                 from /usr/include/kde4/KDE/KCModule:1,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.h:27,
>                 from /builddir/build/BUILD/ufw-kde-0.5.0/kcm/kcm.cpp:24:
>/usr/include/QtCore/qstring.h:251:13: note: declared here
>     QString simplified() const Q_REQUIRED_RESULT;
>             ^~~~~~~~~~
>make[2]: *** [kcm/CMakeFiles/kcm_ufw.dir/build.make:87: kcm/CMakeFiles/kcm_ufw.dir/kcm.cpp.o] Error 1
>make[1]: *** [CMakeFiles/Makefile2:249: kcm/CMakeFiles/kcm_ufw.dir/all] Error 2
>make[1]: *** Waiting for unfinished jobs....
>make: *** [Makefile:133: all] Error 2
>error: Bad exit status from /var/tmp/rpm-tmp.o0eYk8 (%build)
>    Bad exit status from /var/tmp/rpm-tmp.o0eYk8 (%build)
>Child return code was: 1
>EXCEPTION: [Error()]
>Traceback (most recent call last):
>  File "/usr/lib/python3.6/site-packages/mockbuild/trace_decorator.py", line 89, in trace
>    result = func(*args, **kw)
>  File "/usr/lib/python3.6/site-packages/mockbuild/util.py", line 582, in do
>    raise exception.Error("Command failed. See logs for output.\n # %s" % (command,), child.returncode)
>mockbuild.exception.Error: Command failed. See logs for output.
> # bash --login -c /usr/bin/rpmbuild -bb --target ppc64 --nodeps /builddir/build/SPECS/ufw-kde.spec

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Attachments on bug 1556517: 1443467 | 1443468 | 1443469