build.log snippet,

[ 14%] Building CXX object kig/CMakeFiles/kigpart.dir/scripting/python_scripter.o
cd /builddir/build/BUILD/kdeedu-4.5.5/armv5tel-redhat-linux-gnueabi/kig && /usr/bin/c++   -DMAKE_KIGPART_LIB -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -DQT_NO_STL -DQT_NO_CAST_TO_ASCII -D_REENTRANT -DKDE_DEPRECATED_WARNINGS -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -march=armv5te  -Wnon-virtual-dtor -Wno-long-long -ansi -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 -fvisibility-inlines-hidden -O2 -DNDEBUG -DQT_NO_DEBUG -fPIC -I/builddir/build/BUILD/kdeedu-4.5.5/armv5tel-redhat-linux-gnueabi/kig -I/builddir/build/BUILD/kdeedu-4.5.5/kig -I/builddir/build/BUILD/kdeedu-4.5.5 -I/builddir/build/BUILD/kdeedu-4.5.5/armv5tel-redhat-linux-gnueabi -I/builddir/build/BUILD/kdeedu-4.5.5/kig/modes -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/QtWebKit -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/QtDBus -I/usr/include/QtAssistant -I/usr/include/Qt3Support -I/usr/include/QtGui -I/usr/include/QtCore -I/usr/include/Qt -I/usr/lib/qt4/mkspecs/default -I/usr/include/python2.6   -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -fexceptions -UQT_NO_EXCEPTIONS -o CMakeFiles/kigpart.dir/scripting/python_scripter.o -c /builddir/build/BUILD/kdeedu-4.5.5/kig/scripting/python_scripter.cc
In file included from /usr/include/python2.6/pyconfig.h:4,
                 from /usr/include/python2.6/Python.h:8,
                 from /builddir/build/BUILD/kdeedu-4.5.5/kig/scripting/python_scripter.cc:22:
/usr/include/python2.6/pyconfig-32.h:1082:1: warning: "_XOPEN_SOURCE" redefined
<command-line>: warning: this is the location of the previous definition
/builddir/build/BUILD/kdeedu-4.5.5/kig/scripting/python_scripter.cc:609: note: the mangling of 'va_list' has changed in GCC 4.4
{standard input}: Assembler messages:
{standard input}:1636466: Warning: end of file not at end of a line; newline inserted
c++: Internal error: Killed (program cc1plus)
Please submit a full bug report.
See <http://bugzilla.redhat.com/bugzilla> for instructions.

Full koji logs,
https://arm.koji.fedoraproject.org/koji/taskinfo?taskID=87031

I'll see if I can coax more information out of it.