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#!/bin/sh
svn_revision=`svn info | grep Revision | cut -d' ' -f2 || echo UNKNOWN`
NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\""
OLD_REVISION=`cat version.h 2> /dev/null`
# Update version.h only on revision changes to avoid spurious rebuilds
if test "$NEW_REVISION" != "$OLD_REVISION"; then
echo "$NEW_REVISION" > version.h
fi
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