1#serial 14
2
3# Copyright (C) 1996-1998, 2001-2004, 2009-2012 Free Software Foundation, Inc.
4#
5# This file is free software; the Free Software Foundation
6# gives unlimited permission to copy and/or distribute it,
7# with or without modifications, as long as this notice is preserved.
8
9AC_DEFUN([gl_ERROR],
10[
11  dnl We don't use AC_FUNC_ERROR_AT_LINE any more, because it is no longer
12  dnl maintained in Autoconf and because it invokes AC_LIBOBJ.
13  AC_CACHE_CHECK([for error_at_line], [ac_cv_lib_error_at_line],
14    [AC_LINK_IFELSE(
15       [AC_LANG_PROGRAM(
16          [[#include <error.h>]],
17          [[error_at_line (0, 0, "", 0, "an error occurred");]])],
18       [ac_cv_lib_error_at_line=yes],
19       [ac_cv_lib_error_at_line=no])])
20])
21
22# Prerequisites of lib/error.c.
23AC_DEFUN([gl_PREREQ_ERROR],
24[
25  AC_REQUIRE([AC_FUNC_STRERROR_R])
26  :
27])
28