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Diffstat (limited to 'mergelib.in')
| -rw-r--r-- | mergelib.in | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/mergelib.in b/mergelib.in new file mode 100644 index 0000000..c6b8b42 --- /dev/null +++ b/mergelib.in @@ -0,0 +1,103 @@ +#!/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 + |