Index: xen-3.0.4-testing/xen/Makefile
===================================================================
--- xen-3.0.4-testing.orig/xen/Makefile
+++ xen-3.0.4-testing/xen/Makefile
@@ -1,3 +1,4 @@
+export XEN_CHANGESET     = unavailable
 # This is the correct place to edit the build version.
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 3
@@ -103,7 +104,7 @@ include/xen/compile.h: include/xen/compi
 	    -e 's/@@version@@/$(XEN_VERSION)/g' \
 	    -e 's/@@subversion@@/$(XEN_SUBVERSION)/g' \
 	    -e 's/@@extraversion@@/$(XEN_EXTRAVERSION)/g' \
-	    -e 's!@@changeset@@!$(shell ((hg parents --template "{date|date} {rev}:{node|short}" >/dev/null && hg parents --template "{date|date} {rev}:{node|short}") || echo "unavailable") 2>/dev/null)!g' \
+	    -e 's!@@changeset@@!$(XEN_CHANGESET)!g' \
 	    < include/xen/compile.h.in > $@.new
 	tools/figlet/figlet -d tools/figlet Xen $(XEN_FULLVERSION) >> $@.new
 	@mv -f $@.new $@