Fix linking warning

[lttng-ust.git] / include / lttng / ust-events.h

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 0b8664c3cbae0635c441f777e11d4d359e21ba5d..40955e2d385e34f5c6f5b04ff6e1279a9c4bcd90 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -531,7 +531,7 @@ int lttng_attach_context(struct lttng_ust_context *context_param,
                struct lttng_ctx **ctx, struct lttng_session *session);
 void lttng_context_init(void);
 void lttng_context_exit(void);
-struct lttng_ctx *lttng_static_ctx;    /* Used by filtering */
+extern struct lttng_ctx *lttng_static_ctx;     /* Used by filtering */
 
 void lttng_transport_register(struct lttng_transport *transport);
 void lttng_transport_unregister(struct lttng_transport *transport);