case $THIS_SUB_DEPENDS in
    ARES) is_depends_enabled $SPELL c-ares;;
    NO_ARES) is_depends_enabled $SPELL c-ares || return 0;;
    SSL)    is_depends_enabled $SPELL gnutls \
         || is_depends_enabled $SPELL openssl \
         || is_depends_enabled $SPELL libressl \
         || is_depends_enabled $SPELL nss \
         || is_depends_enabled $SPELL mbedtls \
         || is_depends_enabled $SPELL wolfssl ;;
    *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
       return 1;;
esac
