really fix mkpatches to work correctly.

unfortunately, add some code duplication in mkpatches area.

Signed-off-by: Vincent Hanquez <vincent@xensource.com>

diff --git a/buildconfigs/Rules.mk b/buildconfigs/Rules.mk
index 26ee89472b65e5cf490144c1dfacee0fb5ad0cff..61cd1560270ae4c06c222b7dde111098274060b3 100644 (file)
--- a/buildconfigs/Rules.mk
+++ b/buildconfigs/Rules.mk
@@ -110,7 +110,12 @@ endif
 %-config:
        $(MAKE) -f buildconfigs/mk.$* config
 
-linux-2.6-xen.patch: linux-$(LINUX_VER)-xen.patch
+linux-2.6-xen.patch: ref-linux-$(LINUX_VER)/.valid-ref
+       rm -rf tmp-$@
+       cp -al $(<D) tmp-$@
+       ( cd linux-2.6-xen-sparse && ./mkbuildtree ../tmp-$@ )  
+       diff -Nurp $(<D) tmp-$@ > $@ || true
+       rm -rf tmp-$@
 
 %-xen.patch: ref-%/.valid-ref
        rm -rf tmp-$@