* SOFTWARE.
*/
-/*
- * For bt_port_output, bt_self_component_port,
- * bt_self_component_port_output, __BT_UPCAST, __BT_UPCAST_CONST
- */
+#ifndef __BT_IN_BABELTRACE_H
+# error "Please include <babeltrace2/babeltrace.h> instead."
+#endif
+
#include <babeltrace2/types.h>
#ifdef __cplusplus