if list_find "$FWKNOP_OPTS" "--enable-server"; then
  runtime_depends iptables &&

  optional_depends libpcap \
                   "--disable-udp-server" \
                   "--enable-udp-server" \
                   "to use libpcap instead of UDP listener mode" &&

  optional_depends gdbm \
                   "--disable-file-cache" \
                   "--enable-file-cache" \
                   "to replace file cache with gdbm"
fi &&

optional_depends gpgme \
                 "--with-gpgme" \
                 "--without-gpgme" \
                 "for gpg encryption support" &&

optional_depends perl "" "" "for Perl module" &&
optional_depends python "" "" "for Python module"
