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samba-mirror/third_party/heimdal/cf/c-attribute.m4
Stefan Metzmacher 7055827b8f HEIMDAL: move code from source4/heimdal* to third_party/heimdal*
This makes it clearer that we always want to do heimdal changes
via the lorikeet-heimdal repository.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>

Autobuild-User(master): Joseph Sutton <jsutton@samba.org>
Autobuild-Date(master): Wed Jan 19 21:41:59 UTC 2022 on sn-devel-184
2022-01-19 21:41:59 +00:00

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dnl
dnl $Id$
dnl
dnl
dnl Test for __attribute__
dnl
AC_DEFUN([AC_C___ATTRIBUTE__], [
AC_MSG_CHECKING(for __attribute__)
AC_CACHE_VAL(ac_cv___attribute__, [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#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__)
])