#! /bin/sh

# This script helps bootstrap automake, when checked out from CVS.
#
# Copyright 2002 Free Software Foundation, Inc.
# written by Pavel Roskin <proski@gnu.org> September 2002
#
# 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, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


# Don't ignore failures
set -e

# Find perl.  Not as good as autoconf would do, but good enough.
if test -z "$PERL"; then
	PERL="`which perl 2>/dev/null`"
fi

if test -z $PERL; then
	echo "Cannot find perl" 2>&1
	exit 1
fi

# Variables to substitute
VERSION=`sed -ne '/AC_INIT/s/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.in`
PACKAGE=automake
datadir=.

# Read the rule for calculating APIVERSION and execute it
apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.in`
eval $apiver_cmd

# Sanity checks
if test -z "$VERSION"; then
	echo "Cannot find VERSION" 2>&1
	exit 1
fi

if test -z "$APIVERSION"; then
	echo "Cannot find VERSION" 2>&1
	exit 1
fi

# Make a dummy versioned directory for aclocal
rm -rf aclocal-$APIVERSION
mkdir aclocal-$APIVERSION
rm -rf automake-$APIVERSION
ln -s lib automake-$APIVERSION

# Create temporary replacement for aclocal
sed -e "s%@PERL@%$PERL%g" \
    -e "s%@VERSION@%$VERSION%g" \
    -e "s%@APIVERSION@%$APIVERSION%g" \
    -e "s%@PACKAGE@%$PACKAGE%g" \
    -e "s%@datadir@%$datadir%g" \
    aclocal.in >aclocal.tmp

# Create temporary replacement for amversion.m4
sed -e "s%@PERL@%$PERL%g" \
    -e "s%@VERSION@%$VERSION%g" \
    -e "s%@APIVERSION@%$APIVERSION%g" \
    -e "s%@PACKAGE@%$PACKAGE%g" \
    -e "s%@datadir@%$datadir%g" \
    m4/amversion.in >aclocal-$APIVERSION/amversion-tmp.m4

# Run aclocal
$PERL ./aclocal.tmp -I aclocal-$APIVERSION -I m4

# Create temporary replacement for automake
sed -e "s%@PERL@%$PERL%g" \
    -e "s%@VERSION@%$VERSION%g" \
    -e "s%@APIVERSION@%$APIVERSION%g" \
    -e "s%@PACKAGE@%$PACKAGE%g" \
    -e "s%@datadir@%$datadir%g" \
    automake.in >automake.tmp

# Run automake
$PERL ./automake.tmp

# Remove temporary files and directories
rm -rf aclocal-$APIVERSION automake-$APIVERSION
rm -f aclocal.tmp automake.tmp