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#!/bin/sh
#
# +----------------------------------------------------------------------+
# | PHP HTML Embedded Scripting Language Version 4.0                     |
# +----------------------------------------------------------------------+
# | Copyright (c) 1997-1999 PHP Development Team (See Credits file)      |
# +----------------------------------------------------------------------+
# | This program is free software; you can redistribute it and/or modify |
# | it under the terms of one of the following licenses:                 |
# |                                                                      |
# |  A) the GNU General Public License as published by the Free Software |
# |     Foundation; either version 2 of the License, or (at your option) |
# |     any later version.                                               |
# |                                                                      |
# |  B) the PHP License as published by the PHP Development Team and     |
# |     included in the distribution in the file: LICENSE                |
# |                                                                      |
# | 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 both licenses referred to here.   |
# | If you did not, or have any questions about PHP licensing, please    |
# | contact core@php.net.                                                |
# +----------------------------------------------------------------------+
# | Authors: Stig Sæther Bakken <ssb@fast.no>                            |
# +----------------------------------------------------------------------+
#
# Archive merger.  Usage: armerge libout.a dir1/libin1.a dir2/libin2.a ...
# Creates the archive libout.a from the files in the rest of the
# parameter list.  If the input archives are in separate directories,
# the names of the files inside them are prefixed before they are
# merged into the output archive.  The prefix used is the same as the
# directory name with "/" replaced by "_" and a "_" at the end.
#
# $Id$
#

die() {
	echo $@
	exit 1
}

if test "$#" -lt "2"; then
    echo "Usage: "`basename $0`" <out-archive> <in-archives...>"
    exit 1
fi

out_archive=$1; shift
in_archives=$@
cwd=`pwd`
tmpdir=/tmp/armerge$$

rm -f $out_archive

mkdir $tmpdir || die "can not create temporary directory $tmpdir"

( cd $tmpdir;

for archive in $in_archives; do
    files=`ar t $cwd/$archive`
    ar x $cwd/$archive
    dir=`dirname $archive`
    if test "$dir" = "."; then
	ext_files=$files
    else
	prefix=`echo $dir | sed -e 's#/#_#g'`_
	prefix=`echo $prefix | sed -e 's#^\.\._##g'`
	ext_files=""
	for file in $files; do
	    if test "$file" != "$prefix$file"; then
		mv "$file" "$prefix$file"
	    fi
	    ext_files="$ext_files $prefix$file"
	done
    fi
    ar r out.a $ext_files
done )

mv $tmpdir/out.a $out_archive || die "can not create $out_archive"
rm -rf $tmpdir