Xen devel - Nov 2004 - PATCH: linux-patch makefile target

Summary: add linux-patch Makefile target

the patch below, together with the attached script, add a
Makefile target called "linux-patch", which automatically
generates a kernel patch that can be applied to a vanilla
Linux kernel tree to add Xen.

This is useful for people who want to add Xen to the kernel
package of a Linux distribution.


===== Makefile 1.51 vs edited ====--- 1.51/Makefile	Sat Oct 23 13:50:04 2004
+++ edited/Makefile	Mon Nov  1 15:08:52 2004
@@ -75,7 +75,7 @@
 	$(RM) -rf $(LINUX_TREES)
 	echo $(LINUX_SRC) | grep -q bz2 && \
 	    tar -jxf $(LINUX_SRC) || tar -zxf $(LINUX_SRC)
-	mv linux-$(LINUX_VER) linux-$(LINUX_VER)-xen0
+	cp -al linux-$(LINUX_VER) linux-$(LINUX_VER)-xen0
 	( cd linux-$(LINUX_VER)-xen-sparse ; \
           ./mkbuildtree ../linux-$(LINUX_VER)-xen0 )
 	cp -al linux-$(LINUX_VER)-xen0 linux-$(LINUX_VER)-xenU
@@ -86,6 +86,11 @@
           sed -e ''s/^EXTRAVERSION.*/&-xenU/'' Makefile
>Mk.tmp ; \
           rm -f Makefile ; mv Mk.tmp Makefile )
 endif
+
+linux-$(LINUX_VER)-xen.patch: mk-linux-trees
+	./xendiff linux-$(LINUX_VER) linux-$(LINUX_VER)-xen0 >
linux-$(LINUX_VER)-xen.patch
+
+linux-patch: linux-$(LINUX_VER)-xen.patch
 
 # configure the specified linux tree
 CDIR = $(subst config-,linux-$(LINUX_VER)-,$@)

> Summary: add linux-patch Makefile target
Rik,

I''ve been giving the build system a bit of an overhaul and will
push out a change set later on today that I believe will do
something roughly equivalent.

Let me know if it doesn''t..

Thanks,
Ian


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