#if 0 /* for Mesa */
# include "glutint.h"
#else /* for xscreensaver */
-# include "config.h"
-# include <GL/gl.h>
+
+# ifdef HAVE_CONFIG_H
+# include "config.h"
+# endif
+
+# ifdef HAVE_COCOA
+# include "jwxyz.h"
+# elif defined(HAVE_ANDROID)
+# include "jwxyz.h"
+# include <GLES/gl.h>
+# else /* real X11 */
+# include <GL/gl.h>
+# endif
+
+# ifdef HAVE_JWZGLES
+# include "jwzgles.h"
+# endif /* HAVE_JWZGLES */
+
+# undef APIENTRY
# define APIENTRY /**/
#endif