#! /bin/sh

SLIRP=slirp
test -n "$1" && SLIRP=$1

req_maj=1
req_min=9
req_mic=9

fail()
{
   echo "Need SLIRP version ${req_maj}.${req_min}.${req_mic} or greater"
   echo "You have $SLIRP ${maj}.${min}.${mic}"
   exit 1
}

ver=`$SLIRP --version | grep SLIRP | cut -d: -f2 | tr -d ' \t'`
test -z "$ver" && exit 1

maj=`echo $ver | cut -d. -f1`
min=`echo $ver | cut -d. -f2`
mic=`echo $ver | cut -d. -f3`

test $maj -lt $req_maj && fail
test $min -lt $req_min && fail
test $mic -lt $req_mic && fail

exit 0
