Description of problem:

kdesdk does not build

Version-Release number of selected component (if applicable):
flex-2.5.33-5.fc7

How reproducible:
rebuild kdesdk on F7 you will get the errors

g++ -shared -nostdlib  -m32 -march=i386 -mtune=generic -Wl,--as-needed -Wl,--enable-new-dtags -Wl,--no-undefined -Wl,--allow-shlib-undefined  -DNDEBUG -DNO_DEBUG -O2 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fasynchronous-unwind-tables -fno-exceptions -fno-check-new -fno-common -DQT_CLEAN_NAMESPACE -DQT_NO_ASCII_CAST -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crti.o /usr/lib/gcc/i386-redhat-linux/4.1.2/crtbeginS.o  .libs/catalog.o .libs/catalogitem.o .libs/editcmd.o .libs/msgfmt.o .libs/catalogsettings.o .libs/tagextractor.o .libs/diff.o .libs/argextractor.o .libs/kbmailer.o .libs/poinfo.o .libs/regexpextractor.o .libs/importplugin.o .libs/exportplugin.o .libs/kbproject.o .libs/kbprojectmanager.o .libs/projectsettings.o .libs/stringdistance.o .libs/kbprojectsettings.o .libs/kbabeldatatool.moc.o -Wl,--whole-archive 
libgettext/.libs/libgettext.a -Wl,--no-whole-archive  -L/usr/lib -L/usr/lib/qt-3.3/lib /usr/lib/libkio.so /usr/lib/libkdeui.so /usr/lib/libkdesu.so /usr/lib/libkwalletclient.so /usr/lib/libkdecore.so -lutempter /usr/lib/libDCOP.so -ldl -lresolv -lutil /usr/lib/libkdefx.so -lqt-mt -lXext -lX11 -lSM -lICE -lpthread -lXrender -lz -L/usr/lib/gcc/i386-redhat-linux/4.1.2 -L/usr/lib/gcc/i386-redhat-linux/4.1.2/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/i386-redhat-linux/4.1.2/crtendS.o /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../crtn.o -Wl,-soname -Wl,libkbabelcommon.so.3 -o .libs/libkbabelcommon.so.3.2.0
.libs/poinfo.o: In function `GettextFlexLexer::yylex()':
/home/than/rpm/BUILD/kdesdk-3.5.7/kbabel/common/libgettext/pofiles.h:48: 
undefined reference to `GettextBaseFlexLexer::yylex()'
.libs/poinfo.o:(.data.rel.ro._ZTV16GettextFlexLexer[vtable for 
GettextFlexLexer]+0x10): undefined reference to 
`GettextBaseFlexLexer::yy_switch_to_buffer(yy_buffer_state*)'
.libs/poinfo.o:(.data.rel.ro._ZTV16GettextFlexLexer[vtable for 
GettextFlexLexer]+0x14): undefined reference to 
`GettextBaseFlexLexer::yy_create_buffer(std::basic_istream<char, 
std::char_traits<char> >*, int)'
.libs/poinfo.o:(.data.rel.ro._ZTV16GettextFlexLexer[vtable for 
GettextFlexLexer]+0x18): undefined reference to 
`GettextBaseFlexLexer::yy_delete_buffer(yy_buffer_state*)'
.libs/poinfo.o:(.data.rel.ro._ZTV16GettextFlexLexer[vtable for 
GettextFlexLexer]+0x1c): undefined reference to 
`GettextBaseFlexLexer::yyrestart(std::basic_istream<char, 
std::char_traits<char> >*)'
collect2: ld returned 1 exit status

  
Actual results:
kdesdk it does not build

Expected results:
kdesdk should be built

Additional info:
kdesdk builds fine with previuos version of flex. flex-2.5.33-yy.patch has 
been included in current version of flex, which caused this problem