X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace2%2Fgraph%2Fport-output-const.h;h=b923691adffde85f52f18409e4f5b74e541f4fff;hp=9ebcb4448b8dd0cbb3b2dd07fe746f1929288d30;hb=4fa90f321f51af8f5bfc48eee1435e2f41d853b3;hpb=924dc299c8a893e92fcd985fa05c245b591ef314

diff --git a/include/babeltrace2/graph/port-output-const.h b/include/babeltrace2/graph/port-output-const.h
index 9ebcb444..b923691a 100644
--- a/include/babeltrace2/graph/port-output-const.h
+++ b/include/babeltrace2/graph/port-output-const.h
@@ -24,6 +24,10 @@
  * SOFTWARE.
  */
 
+#ifndef __BT_IN_BABELTRACE_H
+# error "Please include <babeltrace2/babeltrace.h> instead."
+#endif
+
 /* For bt_port, bt_port_output, __BT_UPCAST_CONST */
 #include <babeltrace2/types.h>