--Initialization text for the 'gl' spec header.

return [[
#if defined(__glew_h__) || defined(__GLEW_H__)
#error Attempt to include auto-generated header after including glew.h
#endif
#if defined(__gl_h_) || defined(__GL_H__)
#error Attempt to include auto-generated header after including gl.h
#endif
#if defined(__glext_h_) || defined(__GLEXT_H_)
#error Attempt to include auto-generated header after including glext.h
#endif
#if defined(__gltypes_h_)
#error Attempt to include auto-generated header after gltypes.h
#endif
#if defined(__gl_ATI_h_)
#error Attempt to include auto-generated header after including glATI.h
#endif

#define __glew_h__
#define __GLEW_H__
#define __gl_h_
#define __GL_H__
#define __glext_h_
#define __GLEXT_H_
#define __gltypes_h_
#define __gl_ATI_h_

#ifndef APIENTRY
	#if defined(__MINGW32__)
		#ifndef WIN32_LEAN_AND_MEAN
			#define WIN32_LEAN_AND_MEAN 1
		#endif
		#ifndef NOMINMAX
			#define NOMINMAX
		#endif
		#include <windows.h>
	#elif (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED) || defined(__BORLANDC__)
		#ifndef WIN32_LEAN_AND_MEAN
			#define WIN32_LEAN_AND_MEAN 1
		#endif
		#ifndef NOMINMAX
			#define NOMINMAX
		#endif
		#include <windows.h>
	#else
		#define APIENTRY
	#endif
#endif /*APIENTRY*/

#ifndef CODEGEN_FUNCPTR
	#define CODEGEN_REMOVE_FUNCPTR
	#if defined(_WIN32)
		#define CODEGEN_FUNCPTR APIENTRY
	#else
		#define CODEGEN_FUNCPTR
	#endif
#endif /*CODEGEN_FUNCPTR*/

#ifndef GLAPI
	#define GLAPI extern
#endif

]]