#! /bin/sh
# Copyright (C) 1999, 2001, 2002, 2003, 2006  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/>.

# Test to make sure intermediate .h file is not generated nor removed
# if (AM_)?YFLAGS do not contain -d.  Requested by Jim Meyering.

. ./defs || Exit 1

set -e

cat >> configure.in << 'END'
AC_PROG_CC
AC_PROG_YACC
END

cat > Makefile.am <<'END'
bin_PROGRAMS = zardoz
zardoz_SOURCES = zardoz.y
END

# Don't redefine several times the same variable.
cp Makefile.am Makefile.src

$ACLOCAL
$AUTOMAKE -a

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && Exit 1



cp Makefile.src Makefile.am
echo 'AM_YFLAGS = -d' >> Makefile.am

$AUTOMAKE

# If zardoz.h is NOT mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null



cp Makefile.src Makefile.am
echo 'AM_YFLAGS = ' >> Makefile.am

$AUTOMAKE

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && Exit 1



cp Makefile.src Makefile.am
echo 'YFLAGS = -d' >> Makefile.am

# YFLAGS is a use variable.
AUTOMAKE_fails
grep 'YFLAGS' stderr
$AUTOMAKE -Wno-gnu

# If zardoz.h is NOT mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null



cp Makefile.src Makefile.am
echo 'YFLAGS = ' >> Makefile.am

$AUTOMAKE -Wno-gnu

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && Exit 1

: