--- a/Makefile	Fri Feb 01 15:52:05 2013 +0100
+++ b/Makefile	Fri Feb 01 15:52:07 2013 +0100
@@ -15,5 +15,7 @@
 #only needed for the definition of $(TOP)
 include Make.proto
 
-makefile:
+makefile: mf
+
+mf:
 	$(TOP)/rules/stmkmf