44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			44 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2021 | ||
|  |  * | ||
|  |  * Permission to use, copy, modify, and distribute this software for any | ||
|  |  * purpose with or without fee is hereby granted, provided that the above | ||
|  |  * copyright notice and this permission notice appear in all copies. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
|  |  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
|  |  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
|  |  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
|  |  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
|  |  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
|  |  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
|  |  */ | ||
|  | 
 | ||
|  | 
 | ||
|  | /* in SDKs > 10.6 this Apple header does not include glext.h.
 | ||
|  |  * Including it causes redefinition errors that are hard to | ||
|  |  * overcome in ports, eg mesa, so we block the loading of | ||
|  |  * glext.h here on older systems for consistent behaviour with newer systems | ||
|  |  *  | ||
|  |  * Note: this header has no specific blocker as it may be called | ||
|  |  * multiple times and should have the same effect each time | ||
|  |  */ | ||
|  | 
 | ||
|  | #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
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|  | #  ifdef __glext_h_
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|  | #    define MACPORTS_LEGACY_SAVED_GLEXT_SET
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|  | #  else
 | ||
|  | #    define __glext_h_
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|  | #  endif
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|  | #endif
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|  | 
 | ||
|  | #include_next <OpenGL/gliDispatch.h>
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|  | 
 | ||
|  | #if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
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|  | #  ifdef MACPORTS_LEGACY_SAVED_GLEXT_SET
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|  | #    undef MACPORTS_LEGACY_SAVED_GLEXT_SET
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|  | #  else
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|  | #    undef __glext_h_
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|  | #  endif
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|  | #endif
 |