3
# Copyright (C) 1996-1998, 2001-2004, 2009-2014 Free Software Foundation, Inc.
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.
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],
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])])
22
# Prerequisites of lib/error.c.
23
AC_DEFUN([gl_PREREQ_ERROR],
25
AC_REQUIRE([AC_FUNC_STRERROR_R])