freebsd-dev/usr.sbin/ntp/scripts/mkver

#!/bin/sh
#
# $FreeBSD$
#
PROG=${1-UNKNOWN}

: ${ECHO:=echo}

ConfStr="$PROG"

ConfStr="$ConfStr 4.2.8p12"

case "$CSET" in
 '') ;;
 *) ConfStr="$ConfStr@$CSET" ;;
esac

case "" in
 '')
    case "1" in
     '') ;;
     *) ConfStr="${ConfStr}-a" ;;
    esac
    ;;
 *)  ConfStr="${ConfStr}-r" ;;
esac

if [ ! -f .version ]; then
  echo 0 > .version
fi
RUN="`cat .version`"
RUN="`expr $RUN + 1`"
echo $RUN > .version

ConfStr="$ConfStr (${RUN})"

${ECHO} "Version <${ConfStr}>";

rm -f version.c
cat > version.c << -EoF-
/*
 * version file for $PROG
 */
#include <config.h>
const char * Version = "${ConfStr}";
-EoF-