get svn version when using separate build tree
[libav.git] / version.sh
... / ...
CommitLineData
1#!/bin/sh
2
3svn_revision=`cd "$1" && svn info 2> /dev/null | grep Revision | cut -d' ' -f2`
4test $svn_revision || svn_revision=UNKNOWN
5
6NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\""
7OLD_REVISION=`cat version.h 2> /dev/null`
8
9# Update version.h only on revision changes to avoid spurious rebuilds
10if test "$NEW_REVISION" != "$OLD_REVISION"; then
11 echo "$NEW_REVISION" > version.h
12fi