1 

     2 isEmpty(QMAKE_OBJECTIVE_CC):QMAKE_OBJECTIVE_CC = $$QMAKE_CC

     3     QMAKE_OBJECTIVE_CFLAGS = $$QMAKE_CFLAGS

     4     QMAKE_OBJECTIVE_CFLAGS_WARN_ON = $$QMAKE_CFLAGS_WARN_ON

     5     QMAKE_OBJECTIVE_CFLAGS_WARN_OFF = $$QMAKE_CFLAGS_WARN_OFF

     6     QMAKE_OBJECTIVE_CFLAGS_DEBUG = $$QMAKE_CFLAGS_DEBUG

     7     QMAKE_OBJECTIVE_CFLAGS_RELEASE = $$QMAKE_CFLAGS_RELEASE

     8     QMAKE_OBJECTIVE_CFLAGS_X86 = $$QMAKE_CFLAGS_X86

     9     QMAKE_OBJECTIVE_CFLAGS_PPC = $$QMAKE_CFLAGS_PPC

    10     QMAKE_OBJECTIVE_CFLAGS_HIDESYMS = $$QMAKE_CXXFLAGS_HIDESYMS

    11 

    12 OBJECTIVE_C_OBJECTS_DIR = $$OBJECTS_DIR

    13 isEmpty(OBJECTIVE_C_OBJECTS_DIR):OBJECTIVE_C_OBJECTS_DIR = .

    14 isEmpty(QMAKE_EXT_OBJECTIVE_C):QMAKE_EXT_OBJECTIVE_C = .mm .m

    15 

    16 objective_c.dependency_type = TYPE_C

    17 objective_c.variables = QMAKE_OBJECTIVE_CFLAGS

    18 objective_c.commands = $$QMAKE_OBJECTIVE_CC -c $(QMAKE_COMP_QMAKE_OBJECTIVE_CFLAGS) $(DEFINES) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}

    19 objective_c.output = $$OBJECTIVE_C_OBJECTS_DIR/${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}

    20 objective_c.input = OBJECTIVE_SOURCES

    21 objective_c.name = Compile ${QMAKE_FILE_IN}

    22 silent:objective_c.commands = @echo objective-c ${QMAKE_FILE_IN} && $$objective_c.commands

    23 QMAKE_EXTRA_COMPILERS += objective_c