case $THIS_SUB_DEPENDS in
    SSL)    is_depends_enabled $SPELL gnutls \
         || is_depends_enabled $SPELL openssl \
         || is_depends_enabled $SPELL libressl \
         || is_depends_enabled $SPELL wolfssl ;;
      *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
         return 1;;
esac
