## arg 1:  the new package version
## arg 2:  the old package version
post_upgrade() {
  old=`echo $2 | sed 's/-[0-9]*$//'`
  new=`echo $1 | sed 's/-[0-9]*$//'`
  if [[ $old != $new ]]; then
    echo "New vislcg3 version."
    echo "Packages dependent on vislcg3 may require rebuilds!"
  fi
}
