1
CONFIG -= warn_on
2
QMAKE_CFLAGS += $$QMAKE_CFLAGS_WARN_OFF
3
QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_WARN_OFF
4
QMAKE_OBJECTIVE_CFLAGS += $$QMAKE_OBJECTIVE_CFLAGS_WARN_OFF