The first is:
KConfigGroup conf = KConfigGroup (basicconf.group( "" ));
, imho, :
KConfigGroup conf (& basicconf, "" );
, "" "" . ...
; $PREFIX/share/config/, CMakeLists.txt:
install (FILES < > DESTINATION ${CONFIG_INSTALL_DIR})
KConfig ; .
KKonfigXT, , , , .. , CMakeLists.txt , , . TechBase.