1 !isEmpty(QMAKE_CFLAGS_THREAD) {

     2    QMAKE_CFLAGS += $$QMAKE_CFLAGS_THREAD

     3    QMAKE_EXPORT_CFLAGS += $$QMAKE_CFLAGS_THREAD

     4 }

     5 !isEmpty(QMAKE_CXXFLAGS_THREAD) {

     6    QMAKE_CXXFLAGS += $$QMAKE_CXXFLAGS_THREAD

     7    QMAKE_EXPORT_CXXFLAGS += $$QMAKE_CXXFLAGS_THREAD

     8 }

     9 INCLUDEPATH += $$QMAKE_INCDIR_THREAD

    10 LIBS += $$QMAKE_LIBS_THREAD

    11 !isEmpty(QMAKE_LFLAGS_THREAD):QMAKE_LFLAGS += $$QMAKE_LFLAGS_THREAD

    12 !isEmpty(QMAKE_CC_THREAD):QMAKE_CC = $$QMAKE_CC_THREAD

    13 !isEmpty(QMAKE_CXX_THREAD):QMAKE_CXX = $$QMAKE_CXX_THREAD

    14 !isEmpty(QMAKE_LINK_THREAD):QMAKE_LINK = $$QMAKE_LINK_THREAD