32 lines
560 B
Plaintext
32 lines
560 B
Plaintext
dnl
|
|
dnl $Id: c-attribute.m4,v 1.2 1999/03/01 09:52:23 joda Exp $
|
|
dnl
|
|
|
|
dnl
|
|
dnl Test for __attribute__
|
|
dnl
|
|
|
|
AC_DEFUN(AC_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__)
|
|
])
|
|
|