#! /bin/sh
# Copyright (C) 2003, 2012 Free Software Foundation, Inc.
#
# This program 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.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

# Make sure aclocal define macros in the same order as -I's.

. ./defs || Exit 1

set -e

cat >> configure.in << 'END'
MACRO1
MACRO2
END

mkdir m4_1 m4_2

cat >m4_1/somedefs.m4 <<EOF
AC_DEFUN([MACRO1], [echo macro11 > foo])
AC_DEFUN([MACRO2], [echo macro21 >> foo])
EOF

cat >m4_2/somedefs.m4 <<EOF
AC_DEFUN([MACRO1], [echo macro12 > foo])
EOF

$ACLOCAL -I m4_1 -I m4_2
$AUTOCONF
./configure
grep macro11 foo
grep macro21 foo

$ACLOCAL --force -I m4_2 -I m4_1
$AUTOCONF --force
./configure
grep macro12 foo
grep macro21 foo