// Prevent including system's glext.h
#define __glext_h_
+
// Some functions take GLenum disguised as GLint. Apple noticed and fixed it
// in the Mac OS X 10.6.x gl.h headers. Regardless, C++ typechecking rules
// force the wrappers to match the prototype precisely.
-#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_7)
-#define GLenum_int GLenum
+#if defined(__APPLE__)
+# include <AvailabilityMacros.h> // for MAC_OS_X_VERSION_10_7
+# if defined(MAC_OS_X_VERSION_10_7)
+# define GLenum_int GLint
+# else
+# define GLenum_int GLenum
+# endif
#else
-#define GLenum_int GLint
+# define GLenum_int GLint
#endif