// -- norly.
#include <stdlib.h>
// -- norly.
#include <stdlib.h>
+
+#ifdef __APPLE__
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#include <GLUT/glut.h>
+#else
+#include <GL/gl.h>
+#include <GL/glu.h>
#include "graph.h"
#include "glancillary.h"
#include "graph.h"
#include "glancillary.h"