case $THIS_SUB_DEPENDS in
  AES) if [[ $UL_VERSION != aes ]]; then
               message "Requested AES-patched version of $SPELL, forcing option UL_VERSION=aes" &&
               UL_VERSION=aes
       fi;;
    *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"; return 1;;
esac