Index: /trunk/source/lisp-kernel/gc.h
===================================================================
--- /trunk/source/lisp-kernel/gc.h	(revision 13879)
+++ /trunk/source/lisp-kernel/gc.h	(revision 13880)
@@ -246,4 +246,6 @@
 extern bitvector global_mark_ref_bits, dynamic_mark_ref_bits, relocatable_mark_ref_bits;
 
+extern Boolean
+did_gc_notification_since_last_full_gc;
 
 #endif                          /* __GC_H__ */