1 INCLUDEPATH += $$QMAKE_INCDIR_OPENGL

     1 contains(QT_CONFIG, opengles1) {

     2 !isEmpty(QMAKE_LIBDIR_OPENGL):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL

     2     INCLUDEPATH += $$QMAKE_INCDIR_OPENGL_ES1

     3 target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_QT

     3     !isEmpty(QMAKE_LIBDIR_OPENGL_ES1):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL_ES1

     4 else:LIBS += $$QMAKE_LIBS_OPENGL

     4     target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_ES1

     5     else:LIBS += $$QMAKE_LIBS_OPENGL_ES1

     6 } else:contains(QT_CONFIG, opengles1cl) {

     7     INCLUDEPATH += $$QMAKE_INCDIR_OPENGL_ES1CL

     8     !isEmpty(QMAKE_LIBDIR_OPENGL_ES1CL):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL_ES1CL

     9     target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_ES1CL

    10     else:LIBS += $$QMAKE_LIBS_OPENGL_ES1CL

    11 } else:contains(QT_CONFIG, opengles2) {

    12     INCLUDEPATH += $$QMAKE_INCDIR_OPENGL_ES2

    13     !isEmpty(QMAKE_LIBDIR_OPENGL_ES2):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL_ES2

    14     target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_ES2

    15     else:LIBS += $$QMAKE_LIBS_OPENGL_ES2

    16 } else {

    17     INCLUDEPATH += $$QMAKE_INCDIR_OPENGL

    18     !isEmpty(QMAKE_LIBDIR_OPENGL):QMAKE_LIBDIR += $$QMAKE_LIBDIR_OPENGL

    19     target_qt:LIBS_PRIVATE += $$QMAKE_LIBS_OPENGL_QT

    20     else:LIBS += $$QMAKE_LIBS_OPENGL

    21 }

    22