Index: src/Concurrency/module.mk
===================================================================
--- src/Concurrency/module.mk	(revision b81fd952a5ac1533e8228e162fec0eac081416cf)
+++ src/Concurrency/module.mk	(revision 856dff84e55b9a9ad3b82f37b8cdae38c497be02)
@@ -15,5 +15,5 @@
 ###############################################################################
 
-SRC += Concurrency/Keywords.cc Concurrency/Waitfor.cc
+SRC += Concurrency/Keywords.cc Concurrency/Keywords.h Concurrency/Waitfor.cc Concurrency/Waitfor.h
 SRCDEMANGLE += Concurrency/Keywords.cc