Amarok made it further than I expected:

[ 49%] Building CXX object amarok/src/CMakeFiles/amarok-shared.dir/Options5.cpp.o cd /build/src/build/amarok/src && /usr/bin/c++ -Damarok_shared_EXPORTS -DHAVE_CONFIG_H -march=x86-64 -mtune=generic -O2 -pipe -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 -fPIC -I/build/src/build/amarok/src -I/build/src/amarok/amarok/src -I/build/src/build -I/build/src/build/amarok/src/amarokcore -I/build/src/build/amarok/src/magnatunebrowser -I/build/src/amarok/amarok/src/amarokcore -I/build/src/amarok/amarok/src/analyzers -I/build/src/amarok/amarok/src/statusbar -I/build/src/amarok/amarok/src/plugin -I/opt/trinity/include -I/opt/qt/include -I/opt/qt/include/tqt -I/usr/include/taglib -o CMakeFiles/amarok-shared.dir/Options5.cpp.o -c /build/src/build/amarok/src/Options5.cpp In file included from /build/src/build/amarok/src/Options5.cpp:30:0: /build/src/build/amarok/src/Options5.ui.h: In member function 'void Options5::init()': /build/src/build/amarok/src/Options5.ui.h:59:5: error: 'QStringx' is not a member of 'Amarok' /build/src/build/amarok/src/Options5.ui.h:59:22: error: expected ';' before 'text' In file included from /build/src/build/amarok/src/Options5.cpp:30:0: /build/src/build/amarok/src/Options5.ui.h:86:34: error: 'text' was not declared in this scope make[2]: *** [amarok/src/CMakeFiles/amarok-shared.dir/Options5.cpp.o] Error 1 make[2]: Leaving directory `/build/src/build' make[1]: *** [amarok/src/CMakeFiles/amarok-shared.dir/all] Error 2 make[1]: Leaving directory `/build/src/build' make: *** [all] Error 2 ==> ERROR: A failure occurred in build().