1 2# Objective-C/C++ sources go in SOURCES, like all other sources 3SOURCES += $$OBJECTIVE_SOURCES 4unset(OBJECTIVE_SOURCES) 5 6# Strip C/C++ flags from QMAKE_OBJECTIVE_CFLAGS just in case 7QMAKE_OBJECTIVE_CFLAGS -= $$QMAKE_CFLAGS $$QMAKE_CXXFLAGS 8 9# Add Objective-C/C++ flags to C/C++ flags, the compiler can handle it 10QMAKE_CFLAGS += $$QMAKE_OBJECTIVE_CFLAGS 11QMAKE_CXXFLAGS += $$QMAKE_OBJECTIVE_CFLAGS 12unset(QMAKE_OBJECTIVE_CFLAGS) 13