--- a/include/SDL_opengl.h	Fri Feb 24 08:17:28 2006 +0000
+++ b/include/SDL_opengl.h	Fri Feb 24 09:57:14 2006 +0000
@@ -34,9 +34,12 @@
 #ifndef NO_SDL_GLEXT
 #define __glext_h_  /* Don't let gl.h include glext.h */
 #endif
-#ifdef __MACOSX__
+#if defined(__MACOSX__)
 #include <OpenGL/gl.h>	/* Header File For The OpenGL Library */
 #include <OpenGL/glu.h>	/* Header File For The GLU Library */
+#elif defined(__MACOS__)
+#include <gl.h>		/* Header File For The OpenGL Library */
+#include <glu.h>	/* Header File For The GLU Library */
 #else
 #include <GL/gl.h>	/* Header File For The OpenGL Library */
 #include <GL/glu.h>	/* Header File For The GLU Library */