Works fine in 2010.11 release but has regressed in git trunk head (see output below): labuser@sichotic:~/projects/buildroot/tb/buildroot$ make xconfig mkdir -p /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/lxdialog make CC="/usr/bin/gcc" HOSTCC="/usr/bin/gcc" obj=/home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config -C package/config -f Makefile.br qconf make[1]: Entering directory `/home/labuser/projects/buildroot/tb/buildroot/package/config' /usr/bin/gcc -DCURSES_LOC="<ncurses.h>" -DLOCALE -I/home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config -MM *.c > /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/.depend 2>/dev/null || : CHECK qt make[1]: Leaving directory `/home/labuser/projects/buildroot/tb/buildroot/package/config' make[1]: Entering directory `/home/labuser/projects/buildroot/tb/buildroot/package/config' /usr/bin/moc -i qconf.h -o /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/qconf.moc sed < lkc_proto.h > /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/lkc_defs.h 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/' /usr/bin/gcc -DCURSES_LOC="<ncurses.h>" -DLOCALE -I/home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config -DQT_SHARED -DQT3_SUPPORT -I/usr/include/qt4 -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/Qt3Support -I/usr/include/qt4/QtNetwork -I/usr/include/qt4/QtSql -D LKC_DIRECT_LINK -c qconf.cc -o /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/qconf.o In file included from qconf.cc:48: /home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/qconf.moc:13: fatal error: private/qucomextra_p.h: No such file or directory compilation terminated. make[1]: *** [/home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/qconf.o] Error 1 make[1]: Leaving directory `/home/labuser/projects/buildroot/tb/buildroot/package/config' make: *** [/home/labuser/projects/buildroot/tb/buildroot/output/build/buildroot-config/qconf] Error 2 labuser@sichotic:~/projects/buildroot/tb/buildroot$
We've recently synched the kconfig stuff with the kernel, and from the error message it sounds like you have a mix of qt3 and qt4 installed. Please check your path /environment. Also see http://www.linuxquestions.org/questions/linux-software-2/error-when-compiling-app-against-qt4-775969/ As another test you could also try make xconfig with a Linux kernel >= 2.6.37.
No reply for months and unable to reproduce, closing