--- go-snapshot-20091111/src/Make.pkg	2009-11-11 17:56:41.000000000 +1030
+++ go-snapshot-20091111-patched/src/Make.pkg	2009-11-11 19:41:09.167020000 +1030
@@ -6,7 +6,8 @@
 package: _obj/$(TARG).a
 testpackage: _test/$(TARG).a
 
-elem=$(lastword $(subst /, ,$(TARG)))
+TARG_words=$(subst /, ,$(TARG))
+elem=$(word $(words $(TARG_words)),$(TARG_words))
 dir=$(patsubst %/$(elem),%,./$(TARG))
 pkgdir=$(GOROOT)/pkg/$(GOOS)_$(GOARCH)