--- imap/Makefile.in.orig	2006-08-28 09:32:33.000000000 -0700
+++ imap/Makefile.in	2006-08-28 09:33:03.000000000 -0700
@@ -155,6 +155,8 @@
 
 ### Built Source Files
 
+version.o: xversion.h
+
 xversion:
 	rm -f version.o
 	AWK=$(AWK) $(srcdir)/xversion.sh