#!/bin/sh
# Copyright (C) 2008  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.

# Ensure an error with inconsistent state of conditionals in configure.ac.
# This shouldn't happen with user input, as _AM_COND_* are not documented,
# but better to be safe.

. ./defs || Exit 1
set -e

cat >>configure.in <<'END'
AM_CONDITIONAL([COND], [:])
# next line needed so that cond-if.m4 is pulled in.
AM_COND_IF([COND])
_AM_COND_IF([COND])
AC_OUTPUT
END
: >Makefile.am

$ACLOCAL
AUTOMAKE_fails
grep 'condition stack' stderr

sed 's/_AM_COND_IF/_AM_COND_ELSE/' < configure.in >configure.int
mv -f configure.int configure.in
rm -rf autom4te*.cache
AUTOMAKE_fails
grep 'else without if' stderr

sed 's/_AM_COND_ELSE/_AM_COND_ENDIF/' < configure.in >configure.int
mv -f configure.int configure.in
rm -rf autom4te*.cache
AUTOMAKE_fails
grep 'endif without if' stderr

sed 's/\(_AM_COND_ENDIF\).*/_AM_COND_IF\
_AM_COND_ENDIF/' < configure.in >configure.int
mv -f configure.int configure.in
rm -rf autom4te*.cache
AUTOMAKE_fails
test 2 = `grep -c 'not enough arguments' stderr`
: