--- a/components/timezone/Makefile	Wed Dec 18 04:50:56 2013 -0800
+++ b/components/timezone/Makefile	Wed Dec 18 10:04:53 2013 -0800
@@ -37,6 +37,9 @@
 
 include ../../make-rules/ips.mk
 
+# This package delivers only data files and has no dependencies.
+EXTDEPFILES = $(NULLDEPFILE)
+
 POFILE=zoneinfo.po
 
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