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 f40c04488ba8e1cac5b2cb7318a98355ecbbccd5..6effc42b047f02712720c1413520d4ccd79d804a 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -543,7 +543,7 @@ 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);