--- a/ui/motif/toolkit.h	Wed Jan 27 12:10:42 2016 +0100
+++ b/ui/motif/toolkit.h	Wed Jan 27 12:52:39 2016 +0100
@@ -55,6 +55,9 @@
     void          *finish_data;
 } UiJob;
 
+typedef enum UiOrientation UiOrientation;
+enum UiOrientation { UI_HORIZONTAL = 0, UI_VERTICAL };
+
 void ui_exit_mainloop();
 
 void ui_set_active_window(Widget w);