qmake mingw和msvc编译器宏定义

win32:mingw{
    INCLUDEPATH += $$PWD/opencv/opencvMingW/include
                   $$PWD/opencv/opencvMingW/include/opencv
                   $$PWD/opencv/opencvMingW/include/opencv2
    LIBS += $$PWD/opencv/opencvMingW/lib/libopencv_*.a
}
win32:msvc{
    INCLUDEPATH += $$PWD/opencv/opencvMSVC2013/include
                   $$PWD/opencv/opencvMSVC2013/include/opencv
                   $$PWD/opencv/opencvMSVC2013/include/opencv2
    LIBS += $$PWD/opencv/opencvMSVC2013/x86/vc12/lib/opencv_*.lib
}