int ust_consumer_send_channel_to_ust(struct ust_app *app,
struct ust_app_session *ua_sess, struct ust_app_channel *channel);
-#if HAVE_LIBLTTNG_UST_CTL
+#ifdef HAVE_LIBLTTNG_UST_CTL
int ust_consumer_metadata_request(struct consumer_socket *sock);
#else
static inline