lib: force user to include `<babeltrace2/babeltrace.h>`

[babeltrace.git] / include / babeltrace2 / graph / port-output-message-iterator.h

diff --git a/include/babeltrace2/graph/port-output-message-iterator.h b/include/babeltrace2/graph/port-output-message-iterator.h
index d49839fb6d4c6b015b913e3f1f06818187d93310..04bed3dcffc49952032bc771cf0e2e1c7993dabe 100644 (file)
--- a/include/babeltrace2/graph/port-output-message-iterator.h
+++ b/include/babeltrace2/graph/port-output-message-iterator.h
@@ -23,6 +23,10 @@
  * SOFTWARE.
  */
 
+#ifndef __BT_IN_BABELTRACE_H
+# error "Please include <babeltrace2/babeltrace.h> instead."
+#endif
+
 #include <stdint.h>
 
 /* For bt_message_iterator_*_status */