Revision control
++ CONFIG -= rtti_off
++ QMAKE_CFLAGS += $$QMAKE_CFLAGS_RTTI_ON
++ QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_RTTI_ON
++ CONFIG -= rtti_off
++ QMAKE_CFLAGS += $$QMAKE_CFLAGS_RTTI_ON
++ QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_RTTI_ON