| #! /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 <http://www.gnu.org/licenses/>. |
| |
| 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 |