#! /bin/sh
# Copyright (C) 2006  Free Software Foundation, Inc.
#
# This file is part of GNU Automake.
#
# GNU Automake is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# GNU Automake is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Automake; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.

# See how well the rebuild rule handles an aclocal.m4 that was
# generated for another version of autoconf.

. ./defs || exit 1

set -e

echo AC_OUTPUT >>configure.in

touch Makefile.am

$ACLOCAL
$AUTOCONF
$AUTOMAKE
./configure
$MAKE

sed '1,20 s/m4_PACKAGE_VERSION,/&9999/' < aclocal.m4 > aclocal.tmp
cmp aclocal.m4 aclocal.tmp && exit 1

mv aclocal.tmp aclocal.m4

$MAKE 2>stderr
cat stderr
grep 'WARNING:.*automake.*probably too old' stderr
grep 'WARNING:.*autoconf.*probably too old' stderr
test 2 = `grep -c 'aclocal.m4:.*this file was generated for' stderr`

$MAKE 2>stderr
cat stderr
grep 'WARNING:.*automake.*probably too old' stderr && exit 1
grep 'WARNING:.*autoconf.*probably too old' stderr && exit 1
grep 'aclocal.m4:.*this file was generated for' stderr && exit 1

: