#ifdef HAVE_CONFIG_H
-# include <config.h>
+# include <simgear_config.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
+#include <string.h> // memcpy()
-#include <GL/glut.h>
-#include <simgear/xgl/xgl.h>
+#include GLUT_H
#include "GLBitmaps.h"