source: trunk/src/sed/m4/error.m4

Last change on this file was 3611, checked in by bird, 14 months ago

vendor/sed/current: GNU sed 4.9 (sed-4.9.tar.xz sha256:6e226b732e1cd739464ad6862bd1a1aba42d7982922da7a53519631d24975181)

File size: 1.0 KB
Line 
1#serial 15
2
3# Copyright (C) 1996-1998, 2001-2004, 2009-2022 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 dnl Use system extensions on Android, so that AC_FUNC_STRERROR_R
26 dnl discovers the GNU API for strerror_r on Android API level 23 and later.
27 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
28
29 AC_REQUIRE([AC_FUNC_STRERROR_R])
30 :
31])
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