INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
!isEmpty(QMAKE_LIBDIR_OPENGL):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL
target_qt:LIBS += $$QMAKE_LIBS_OPENGL_QT
else:LIBS += $$QMAKE_LIBS_OPENGL