QMAKE_LIBS += $$QMAKE_LIBS_OPENVG
QMAKE_LFLAGS += $$QMAKE_LFLAGS_OPENVG
contains(QT_CONFIG, openvg_on_opengl) {
QMAKE_LIBS += $$QMAKE_LIBS_OPENGL
QMAKE_LFLAGS += $$QMAKE_LFLAGS_OPENGL
}