#!/bin/sh
##
##  L2 - OSSP Logging Library
##  Copyright (c) 2001 The OSSP Project (http://www.ossp.org/)
##  Copyright (c) 2001 Cable & Wireless Deutschland (http://www.cw.com/de/)
##
##  This file is part of OSSP L2, a flexible logging library which
##  can be found at http://www.ossp.org/pkg/l2/.
##
##  Permission to use, copy, modify, and distribute this software for
##  any purpose with or without fee is hereby granted, provided that
##  the above copyright notice and this permission notice appear in all
##  copies.
##
##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
##  SUCH DAMAGE.
##
##  autogen.sh: auto-generate library build environment tools
##

#   generator tools version sanity check
for spec in \
    "autoconf   --version 4 2.52  2.5*" \
    "libtoolize --version 4 1.4.2 1.4*" \
    "shtoolize  -v        3 1.5.4 1.5.*"
do
    set -- $spec
    t="$1"
    o="$2"
    p="$3"
    e="$4"
    a="$5"
    v=`($t $o | head -1 | awk "{ print \\\$$p; }") 2>/dev/null`
    if [ ".$v" = . ]; then
        echo "$0:ERROR: unable to determine version of $t" 1>&2
        exit 1
    fi
    eval "${t}_version=\"$v\""
    case "$v" in
        $e )
            ;;
        $a )
            echo "$0:WARNING: $t version $v still accepted, although expected $e." 1>&2
            ;;
        * )
            echo "$0:ERROR: $t version $e expected, but found $v." 1>&2
            ;;
    esac
done

#   GNU Libtool generation
echo "GNU Libtool $libtoolize_version -> ltmain.sh, libtool.m4, config.guess, config.sub"
libtoolize --force --copy >/dev/null 2>&1
cp `libtoolize --force --copy --dry-run | grep "add the contents of" |\
    sed -e 's;^[^\`]*\`;;' -e "s;'.*;;"` libtool.m4

#   GNU Autoconf generation
echo "GNU Autoconf $autoconf_version -> configure, config.h.in"
autoconf
autoheader

#   GNU Shtool generation
echo "GNU Shtool $shtoolize_version -> shtool"
shtoolize -q all