#! /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.

# Make sure aclocal does not write into symlinked aclocal.m4.

. ./defs || exit 1

set -e

cat >foo.m4 <<'END'
m4_define([FOO], [echo wrong foo])
END

cat >doit.in <<'END'
@LN_S@ foo.m4 aclocal.m4
END

cat >configure.in <<'END'
AC_INIT([acloca20], [1.0])
AC_PROG_LN_S
dnl FOO
AC_CONFIG_FILES([doit], [chmod +x doit])
AC_OUTPUT
END

$AUTOCONF
./configure
./doit
grep 'wrong foo' aclocal.m4

cat >acinclude.m4 <<'END'
m4_define([FOO], [echo right foo])
END
sed 's/dnl //' <configure.in >configure.int
mv -f configure.int configure.in

$ACLOCAL
$AUTOCONF
./configure | grep 'right foo'
grep 'wrong foo' foo.m4