# up_trigger everything on major version updates as most stuff links to libtcl
local OLD_SPELL_VERSION=""
if spell_ok  $SPELL; then
  OLD_SPELL_VERSION="$(installed_version $SPELL)"
  if test "${VERSION:0:3}" != "${OLD_SPELL_VERSION:0:3}"; then
    message "This is a possibly incompatible update of libtcl..."
    message "Figuring out what spells need to be recast, this may take a while."
    for each in $(show_up_depends $SPELL 1); do
      if gaze install $each | xargs readelf -d 2> /dev/null |
         grep -q "NEEDED.*libtcl${OLD_SPELL_VERSION:0:3}.so"; then
           up_trigger $each cast_self
      fi
    done
  fi
fi
