kdegraphics - dlggeneral.ui.h:15:20: fatal error: config.h: No such file or directory

After kdebase successfully built, I moved on to kdegraphics. config.h is missing? [ 28%] Building CXX object kpdf/conf/CMakeFiles/kpdfconf-static.dir/dlggeneral.cpp.o cd /build/src/build/kpdf/conf && /usr/bin/c++ -DHAVE_CONFIG_H -fpermissive -DQT_NO_ASCII_CAST -DQT_CLEAN_NAMESPACE -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION -DQT_THREAD_SUPPORT -D_REENTRANT -include tqt.h -I/build/src/build/kpdf/conf -I/build/src/build/kpdf/conf/.. -I/opt/trinity/include -I/opt/qt/include -I/opt/qt/include/tqt -fPIC -o CMakeFiles/kpdfconf-static.dir/dlggeneral.cpp.o -c /build/src/build/kpdf/conf/dlggeneral.cpp In file included from /build/src/build/kpdf/conf/dlggeneral.cpp:27:0: /build/src/build/kpdf/conf/dlggeneral.ui.h:15:20: fatal error: config.h: No such file or directory compilation terminated. make[2]: *** [kpdf/conf/CMakeFiles/kpdfconf-static.dir/dlggeneral.cpp.o] Error 1 make[2]: Leaving directory `/build/src/build' make[1]: *** [kpdf/conf/CMakeFiles/kpdfconf-static.dir/all] Error 2 make[1]: Leaving directory `/build/src/build' make: *** [all] Error 2 ==> ERROR: A failure occurred in build(). Aborting... What say the experts? -- David C. Rankin, J.D.,P.E.