+/* Define if you have the OpenGL header files */
+#undef HAVE_GL_GL_H
+#undef HAVE_GL_GLUT_H
+
+/* Define if you have the OpenGL libraries */
+#undef HAVE_LIBGL
+#undef HAVE_LIBGLU
+#undef HAVE_LIBGLUT
+
+/* Define if OpenGL seems to work */
+#undef HAVE_OPENGL
+