1 INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
2 !isEmpty(QMAKE_LIBDIR_OPENGL):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL
3 target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_QT
4 else:LIBS += $$QMAKE_LIBS_OPENGL