#! /bin/sh # Install an aclocal-style M4 file. A script is needed to do this # because we want to do serial-number checking; newer versions of # macro files should always be preferred. # Usage: # acinstall file directory installprogram [install-args]... # Copyright 1996 Free Software Foundation, Inc. # 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, see . file="$1" dir="$2" shift shift localserial=`grep '^# serial ' $file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'` if test -z "$localserial"; then echo "acinstall: no serial number in $file" 1>&2 exit 1 fi # Maybe if the installed file has no serial number we should just # assume it is ancient. instserial=`grep '^# serial ' $dir/$file | sed -e 's/^# serial \([0-9][0-9]*\).*$/\1/; q'` if test -z "$instserial"; then echo "acinstall: no serial number in $dir/$file" 1>&2 exit 1 fi if test $localserial -lt $instserial; then # Installed file is newer. exit 0 fi # Install the file. $* $file $dir/$file