--- a/Makefile.src.in	Fri Feb 09 16:21:03 2007 +0000
+++ b/Makefile.src.in	Sat Feb 10 00:22:32 2007 +0000
@@ -267,6 +267,6 @@
 	$(Q)rm -f rev.cpp
 
 %.o:
-	@echo '$(STAGE) No such source-file: $(@:%.o=%).[c|cpp|m|rc]'
+	@echo '$(STAGE) No such source-file: $(@:%.o=%).[c|cpp|mm|rc]'
 
 .PHONY: all mrproper depend clean FORCE