33 lines
		
	
	
		
			985 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			33 lines
		
	
	
		
			985 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | dnl @synopsis MN_C99_FLEXIBLE_ARRAY | ||
|  | dnl | ||
|  | dnl Dose the compiler support the 1999 ISO C Standard "stuct hack". | ||
|  | dnl @version 1.1	Mar 15 2004 | ||
|  | dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> | ||
|  | dnl | ||
|  | dnl Permission to use, copy, modify, distribute, and sell this file for any  | ||
|  | dnl purpose is hereby granted without fee, provided that the above copyright  | ||
|  | dnl and this permission notice appear in all copies.  No representations are | ||
|  | dnl made about the suitability of this software for any purpose.  It is  | ||
|  | dnl provided "as is" without express or implied warranty. | ||
|  | 
 | ||
|  | AC_DEFUN([MN_C99_FLEXIBLE_ARRAY], | ||
|  | [AC_CACHE_CHECK(C99 struct flexible array support,  | ||
|  | 	ac_cv_c99_flexible_array, | ||
|  | 
 | ||
|  | # Initialize to unknown | ||
|  | ac_cv_c99_flexible_array=no | ||
|  | 
 | ||
|  | AC_TRY_LINK([[ | ||
|  | 	#include <stdlib.h> | ||
|  | 	typedef struct { | ||
|  | 	int k; | ||
|  | 	char buffer [] ; | ||
|  | 	} MY_STRUCT ; | ||
|  | 	]],  | ||
|  | 	[  MY_STRUCT *p = calloc (1, sizeof (MY_STRUCT) + 42); ], | ||
|  | 	ac_cv_c99_flexible_array=yes, | ||
|  | 	ac_cv_c99_flexible_array=no | ||
|  | 	))] | ||
|  | ) # MN_C99_FLEXIBLE_ARRAY | ||
|  | 
 |