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#!/bin/sh
#
# Copyright (c) 1989, 1998 The Open Group
#
# Permission to use, copy, modify, distribute, and sell this software and
# its documentation for any purpose is hereby granted without fee, provided
# that the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation.
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of The Open Group shall not be
# used in advertising or otherwise to promote the sale, use or other dealings
# in this Software without prior written authorization from The Open Group.
#
# Author: Jim Fulton, MIT X Consortium
#
# mergelib - merge one library into another; this is commonly used by X
# to add the extension library into the base Xlib.
#
usage="usage: $0 to-library from-library [object-filename-prefix]"
objprefix=_
case $# in
2) ;;
3) objprefix=$3 ;;
*) echo "$usage" 1>&2; exit 1 ;;
esac
tolib=$1
fromlib=$2
if [ ! -f $fromlib ]; then
echo "$0: no such from-library $fromlib" 1>&2
exit 1
fi
if [ ! -f $tolib ]; then
echo "$0: no such to-library $tolib" 1>&2
exit 1
fi
#
# Create a temp directory, and figure out how to reference the
# object files from it (i.e. relative vs. absolute path names).
#
tmpdir=tmp.$$
origdir=..
# Remove directory if we fail
trap "rm -rf $tmpdir; exit 1" 1 2 15
trap "rm -rf $tmpdir; exit 0" 1 2 13
mkdir $tmpdir
# Security: if $tmpdir exists before mkdir exit immediately
if [ $? -gt 0 -o ! -d $tmpdir ]; then
echo "$0: unable to create temporary directory $tmpdir" 1>&2
exit 1
fi
case "$fromlib" in
/?*) upfrom= ;;
*) upfrom=../ ;;
esac
case "$tolib" in
/?*) upto= ;;
*) upto=../ ;;
esac
#
# In the temp directory, extract all of the object files and prefix
# them with some symbol to avoid name clashes with the base library.
#
cd $tmpdir || exit 1
ar x ${upfrom}$fromlib
for i in *.o; do
mv $i ${objprefix}$i
done
#
# Merge in the object modules, ranlib (if appropriate) and cleanup
#
@ARCMD@ ${upto}$tolib *.o
@RANLIB@ ${upto}$tolib
cd $origdir
rm -rf $tmpdir
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