Index: src/Concurrency/module.mk
===================================================================
--- src/Concurrency/module.mk	(revision 7abee383f06a7fe5690784e7676edcdf68ff7660)
+++ src/Concurrency/module.mk	(revision 0edd11a6077a0ddf81da70d5c62e8928e3d3e1b8)
@@ -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