]> CyberLeo.Net >> Repos - FreeBSD/releng/9.2.git/blob - crypto/heimdal/cf/c-attribute.m4
- Copy stable/9 to releng/9.2 as part of the 9.2-RELEASE cycle.
[FreeBSD/releng/9.2.git] / crypto / heimdal / cf / c-attribute.m4
1 dnl
2 dnl $Id: c-attribute.m4 14166 2004-08-26 12:35:42Z joda $
3 dnl
4
5 dnl
6 dnl Test for __attribute__
7 dnl
8
9 AC_DEFUN([AC_C___ATTRIBUTE__], [
10 AC_MSG_CHECKING(for __attribute__)
11 AC_CACHE_VAL(ac_cv___attribute__, [
12 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
13 static void foo(void) __attribute__ ((noreturn));
14
15 static void
16 foo(void)
17 {
18   exit(1);
19 }
20 ]])],
21 [ac_cv___attribute__=yes],
22 [ac_cv___attribute__=no])])
23 if test "$ac_cv___attribute__" = "yes"; then
24   AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
25 fi
26 AC_MSG_RESULT($ac_cv___attribute__)
27 ])
28