1 files changed, 9 insertions, 1 deletions
diff --git a/generic/tkZinc.h b/generic/tkZinc.h
index 2eb105b..bea3576 100644
--- a/generic/tkZinc.h
+++ b/generic/tkZinc.h
@@ -24,7 +24,11 @@
 #include "List.h"
 #include "MapInfo.h"
 
-#include <GL/glu.h>
+#if defined(MAC_OSX_TK)
+  #include <AGL/glu.h>
+#else
+  #include <GL/glu.h>
+#endif
 
 typedef struct _ZnTagSearch {
   ZnWInfo       *wi;
@@ -84,6 +88,10 @@ typedef struct _ZnGLContextEntry {
   int           ipixel;
   HWND          hwnd;   /* Temporary storage between MakeCurrent and Release */
   HDC           hdc;
+#elif defined(__APPLE__)
+  AGLPixelFormat pix_fmt;
+  GWorldPtr     gworld;
+  Tk_Window     top_win;
 #else
   XVisualInfo   *visual; /* Should these two be managed by screen ? */
   Colormap      colormap;