+#ifdef AUTH_EXTERNAL
+ {
+ .driver_name = US"external",
+ .options = auth_external_options,
+ .options_count = &auth_external_options_count,
+ .options_block = &auth_external_option_defaults,
+ .options_len = sizeof(auth_external_options_block),
+ .init = auth_external_init,
+ .servercode = auth_external_server,
+ .clientcode = auth_external_client,
+ .version_report = NULL
+ },
+#endif
+