Chris@40: dnl @synopsis MN_C99_FLEXIBLE_ARRAY
Chris@40: dnl
Chris@40: dnl Dose the compiler support the 1999 ISO C Standard "stuct hack".
Chris@40: dnl @version 1.1	Mar 15 2004
Chris@40: dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
Chris@40: dnl
Chris@40: dnl Permission to use, copy, modify, distribute, and sell this file for any 
Chris@40: dnl purpose is hereby granted without fee, provided that the above copyright 
Chris@40: dnl and this permission notice appear in all copies.  No representations are
Chris@40: dnl made about the suitability of this software for any purpose.  It is 
Chris@40: dnl provided "as is" without express or implied warranty.
Chris@40: 
Chris@40: AC_DEFUN([MN_C99_FLEXIBLE_ARRAY],
Chris@40: [AC_CACHE_CHECK(C99 struct flexible array support, 
Chris@40: 	ac_cv_c99_flexible_array,
Chris@40: 
Chris@40: # Initialize to unknown
Chris@40: ac_cv_c99_flexible_array=no
Chris@40: 
Chris@40: AC_TRY_LINK([[
Chris@40: 	#include <stdlib.h>
Chris@40: 	typedef struct {
Chris@40: 	int k;
Chris@40: 	char buffer [] ;
Chris@40: 	} MY_STRUCT ;
Chris@40: 	]], 
Chris@40: 	[  MY_STRUCT *p = calloc (1, sizeof (MY_STRUCT) + 42); ],
Chris@40: 	ac_cv_c99_flexible_array=yes,
Chris@40: 	ac_cv_c99_flexible_array=no
Chris@40: 	))]
Chris@40: ) # MN_C99_FLEXIBLE_ARRAY
Chris@40: