contains(QT_CONFIG, opengles2) {
#   For Desktop, use the ANGLE library location passed on from configure.
    INCLUDEPATH += $$QMAKE_INCDIR_OPENGL_ES2
    CONFIG(debug, debug|release) {
        QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL_ES2_DEBUG
        contains(QT_CONFIG, angle) {
            LIBS += $$QMAKE_LIBS_OPENGL_ES2_DEBUG
        } else {
            LIBS += $$QMAKE_LIBS_OPENGL_ES2
        }
    } else {
        LIBS += $$QMAKE_LIBS_OPENGL_ES2
        QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL_ES2_RELEASE
    }
    DEFINES += QT_OPENGL_ES_2 QT_OPENGL_ES_2_ANGLE
    contains(QT_CONFIG, static): DEFINES += QT_OPENGL_ES_2_ANGLE_STATIC GL_APICALL= EGLAPI=
} else {
    !contains(QT_CONFIG, dynamicgl) {
        QMAKE_LIBS += $$QMAKE_LIBS_OPENGL
        QMAKE_LFLAGS += $$QMAKE_LFLAGS_OPENGL
    }
}