CONFIG -= warn_on+− QMAKE_CFLAGS += $$QMAKE_CFLAGS_WARN_OFF+− QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_WARN_OFF+− QMAKE_OBJECTIVE_CFLAGS += $$QMAKE_OBJECTIVE_CFLAGS_WARN_OFF+−