155682Smarkmdnl 2178825Sdfrdnl $Id: c-attribute.m4 14166 2004-08-26 12:35:42Z joda $ 355682Smarkmdnl 455682Smarkm 555682Smarkmdnl 655682Smarkmdnl Test for __attribute__ 755682Smarkmdnl 855682Smarkm 9127808SnectarAC_DEFUN([AC_C___ATTRIBUTE__], [ 1055682SmarkmAC_MSG_CHECKING(for __attribute__) 1155682SmarkmAC_CACHE_VAL(ac_cv___attribute__, [ 12178825SdfrAC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h> 1355682Smarkmstatic void foo(void) __attribute__ ((noreturn)); 1455682Smarkm 1555682Smarkmstatic void 1655682Smarkmfoo(void) 1755682Smarkm{ 1855682Smarkm exit(1); 1955682Smarkm} 20178825Sdfr]])], 21178825Sdfr[ac_cv___attribute__=yes], 22178825Sdfr[ac_cv___attribute__=no])]) 2355682Smarkmif test "$ac_cv___attribute__" = "yes"; then 2455682Smarkm AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__]) 2555682Smarkmfi 2655682SmarkmAC_MSG_RESULT($ac_cv___attribute__) 2755682Smarkm]) 2855682Smarkm 29