case $THIS_SUB_DEPENDS in
  TLS) message "TLS support requested, forcing gnutls dependency" &&
       depends gnutls "gnutls=enabled";;
  SSL) message "SSL support requested, forcing gnutls dependency" &&
       depends openssl "openssl=enabled";;
    *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
       return 1;;
esac
