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dnl
dnl $Id: c-attribute.m4,v 1.3 2003/10/08 20:35:24 rjs3 Exp $
dnl
dnl
dnl Test for __attribute__
dnl
AC_DEFUN([CMU_C___ATTRIBUTE__], [
AC_MSG_CHECKING(for __attribute__)
AC_CACHE_VAL(ac_cv___attribute__, [
AC_TRY_COMPILE([
#include <stdlib.h>
],
[
static void foo(void) __attribute__ ((noreturn));
static void
foo(void)
{
exit(1);
}
],
ac_cv___attribute__=yes,
ac_cv___attribute__=no)])
if test "$ac_cv___attribute__" = "yes"; then
AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
fi
AC_MSG_RESULT($ac_cv___attribute__)
])
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