# ifndef GLX_GLXEXT_LEGACY
# define GLX_GLXEXT_LEGACY
# endif
+#ifdef __APPLE__
+#import <mach-o/dyld.h>
+#import <stdlib.h>
+#import <string.h>
+void * glXGetProcAddressARB (const GLubyte *name)
+
+{
+ NSSymbol symbol;
+ char *symbolName;
+ symbolName = (char *)malloc (strlen ((const char *)name) + 2); // 1
+ strcpy(symbolName + 1, (const char *)name); // 2
+ symbolName[0] = '_'; // 3
+ symbol = NULL;
+ if (NSIsSymbolNameDefined (symbolName)) // 4
+ symbol = NSLookupAndBindSymbol (symbolName);
+ free (symbolName); // 5
+ return symbol ? NSAddressOfSymbol (symbol) : NULL; // 6
+}
+#else
# include <GL/glx.h>
+#endif
# include <dlfcn.h>
#else
# include <wingdi.h>
