bitkeeper revision 1.1159.151.2 (41880853o8v3vRZnyX0vFPNvy-RJ8A)

Makefile improvements

7 files changed, 310 insertions, 177 deletions

diff --git a/.rootkeys b/.rootkeys
index 9dd3e38f59..0fdbcffd4a 100644
--- a/.rootkeys
+++ b/.rootkeys
@@ -5,6 +5,11 @@
 4177dbbfqsi01p2zgZa0geUOgScONw COPYING
 3eb788d6Kleck_Cut0ouGneviGzliQ Makefile
 3f5ef5a24IaQasQE2tyMxrfxskMmvw README
+41880852AtdVfSsfKGtrLdajX1vEXQ buildconfigs/Rules.mk
+41880852oSxvHJSmnzI6hlpFvHuQqQ buildconfigs/linux-2.4-xen0
+41880852YWbPAO-cofTsGkFW1x7tGw buildconfigs/linux-2.4-xenU
+41880852Cwk_14PhDA9XZToJ5B2iMQ buildconfigs/linux-2.6-xen0
+41880852siMCKilMpoBLtpP_bhYC2Q buildconfigs/linux-2.6-xenU
 3f9e7d53iC47UnlfORp9iC1vai6kWw docs/Makefile
 3f9e7d60PWZJeVh5xdnk0nLUdxlqEA docs/figs/xenlogo.eps
 418273f3YZUyGIrNbERVAPFeOd9gww docs/figs/xenserver.obj
diff --git a/Makefile b/Makefile
index 3147e518d8..840ea59632 100644
--- a/Makefile
+++ b/Makefile
@@ -8,204 +8,65 @@ SOURCEFORGE_MIRROR := http://heanet.dl.sourceforge.net/sourceforge
 #http://voxel.dl.sourceforge.net/sourceforge/
 #http://easynews.dl.sourceforge.net/sourceforge
 
-.PHONY: docs delete-symlinks clean
+#KERNELS = linux-2.6-xen0 linux-2.6-xenU linux-2.4-xen0 linux-2.4-xenU netbsd-2.0-xenU
+KERNELS = linux-2.6-xen0 linux-2.6-xenU
 
-# a not partcularly useful but safe default target
-all: make-symlinks
+export INSTALL_DIR SOURCEFORGE_MIRROR
+
+.PHONY: all dist install kernels kdelete mkpatches world docs clean mrproper
+
+all: 
 	$(MAKE) prefix=$(INSTALL_DIR) dist=yes -C xen install
 	$(MAKE) prefix=$(INSTALL_DIR) dist=yes -C tools install
+	$(MAKE) kernels
+
+# install xen and tools into the install directory
+dist: all
+
 
 # install everything into the standard system directories
-install: dist
+# NB: install explicitly does not check that everything is up to date!
+install: 
 	$(MAKE) -C xen install
 	$(MAKE) -C tools install
-	$(shell cp -a install/boot/*$(LINUX_VER)* /boot/)
+	$(shell cp -a install/boot/* /boot/)
 	$(shell cp -a install/lib/modules/* /lib/modules/)
 
-# install xen and tools into the install directory
-dist: all
-	$(MAKE) linux-xenU
-	$(MAKE) linux-xen0
-
-LINUX_RELEASE    ?= 2.6
-LINUX_VER        ?= $(shell ( /bin/ls -ld linux-$(LINUX_RELEASE).*-xen-sparse ) 2>/dev/null | \
-		      sed -e 's!^.*linux-\(.\+\)-xen-sparse!\1!' )
-LINUX26_VER      ?= $(shell ( /bin/ls -ld linux-2.6.*-xen-sparse ) 2>/dev/null | \
-		      sed -e 's!^.*linux-\(.\+\)-xen-sparse!\1!' )
-LINUX_CONFIG_DIR ?= $(INSTALL_DIR)/boot
-LINUX_SRC_PATH   ?= .:..
-LINUX_SRC        ?= $(firstword $(foreach dir,$(subst :, ,$(LINUX_SRC_PATH)),\
-                    $(wildcard $(dir)/linux-$(LINUX_VER).tar.*z*)))
-
-# search for a pristine kernel tar ball, or try downloading one
-pristine-linux-src: 
-ifeq ($(LINUX_SRC),)
-	@echo "Cannot find linux-$(LINUX_VER).tar.gz in path $(LINUX_SRC_PATH)"
-	@wget http://www.kernel.org/pub/linux/kernel/v$(LINUX_RELEASE)/linux-$(LINUX_VER).tar.bz2 -O./linux-$(LINUX_VER).tar.bz2
-LINUX_SRC := ./linux-$(LINUX_VER).tar.bz2 
-endif
-
-patches/ebtables.diff:
-	mkdir -p patches
-	#wget $(SOURCEFORGE_MIRROR)/ebtables/ebtables-brnf-5_vs_2.4.25.diff.gz \
-	     -O- | gunzip -c > $@
-	wget http://www.cl.cam.ac.uk/netos/xen/downloads/ebtables-brnf-5_vs_2.4.27.diff.gz -O- | gunzip -c > $@
-
-LINUX_TREES := linux-$(LINUX_VER)-xen0 linux-$(LINUX_VER)-xenU
-
-# make a linux-xen build tree from a pristine kernel plus sparse tree
-ifeq ($(LINUX_RELEASE),2.4)
-mk-linux-trees: patches/ebtables.diff pristine-linux-src 
-	$(RM) -rf $(LINUX_TREES)
-	echo $(LINUX_SRC) | grep -q bz2 && \
-	    tar -jxf $(LINUX_SRC) || tar -zxf $(LINUX_SRC)
-	mv linux-$(LINUX_VER) linux-$(LINUX_VER)-xen0
-	( cd linux-$(LINUX_VER)-xen-sparse ; \
-          ./mkbuildtree ../linux-$(LINUX_VER)-xen0 )
-	cp -al linux-$(LINUX_VER)-xen0 linux-$(LINUX_VER)-xenU
-	( cd linux-$(LINUX_VER)-xen0 ; \
-          patch -p1 -F3 < ../patches/ebtables.diff ; \
-          sed -e 's/^EXTRAVERSION.*/&-xen0/' Makefile >Mk.tmp ; \
-          rm -f Makefile ; mv Mk.tmp Makefile )
-	( cd linux-$(LINUX_VER)-xenU ; \
-          sed -e 's/^EXTRAVERSION.*/&-xenU/' Makefile >Mk.tmp ; \
-          rm -f Makefile ; mv Mk.tmp Makefile )
-else
-mk-linux-trees: pristine-linux-src 
-	$(RM) -rf $(LINUX_TREES)
-	echo $(LINUX_SRC) | grep -q bz2 && \
-	    tar -jxf $(LINUX_SRC) || tar -zxf $(LINUX_SRC)
-	mv linux-$(LINUX_VER) linux-$(LINUX_VER)-xen0
-	( cd linux-$(LINUX_VER)-xen-sparse ; \
-          ./mkbuildtree ../linux-$(LINUX_VER)-xen0 )
-	cp -al linux-$(LINUX_VER)-xen0 linux-$(LINUX_VER)-xenU
-	( cd linux-$(LINUX_VER)-xen0 ; \
-          sed -e 's/^EXTRAVERSION.*/&-xen0/' Makefile >Mk.tmp ; \
-          rm -f Makefile ; mv Mk.tmp Makefile )
-	( cd linux-$(LINUX_VER)-xenU ; \
-          sed -e 's/^EXTRAVERSION.*/&-xenU/' Makefile >Mk.tmp ; \
-          rm -f Makefile ; mv Mk.tmp Makefile )
-endif
-
-# configure the specified linux tree
-CDIR = $(subst config-,linux-$(LINUX_VER)-,$@)
-ifeq ($(LINUX_RELEASE),2.4)
-config-xen%:
-	$(MAKE) -C $(CDIR) ARCH=xen mrproper
-	cp $(LINUX_CONFIG_DIR)/config-$(LINUX_VER)$(subst config,,$@) \
-	    $(CDIR)/.config || \
-	    $(MAKE) -C $(CDIR) ARCH=xen $(subst config-,,$@)_config
-	$(MAKE) -C $(CDIR) ARCH=xen oldconfig
-	$(MAKE) -C $(CDIR) ARCH=xen dep
-else
-config-xen%:
-	$(MAKE) -C $(CDIR) ARCH=xen mrproper
-	@[ -e $(LINUX_CONFIG_DIR)/config-$(LINUX_VER)-$(subst config-,,$@) ] \
-	  && cp $(LINUX_CONFIG_DIR)/config-$(LINUX_VER)-$(subst config-,,$@) \
-		$(CDIR)/.config || \
-	$(MAKE) -C $(CDIR) ARCH=xen $(subst config-,,$@)_defconfig
-endif
-
-# build the specified linux tree
-BDIR = $(subst linux-,linux-$(LINUX_VER)-,$@)
-linux-xen%:	
-	$(MAKE) -C $(BDIR) ARCH=xen modules
-	$(MAKE) -C $(BDIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) \
-	    modules_install
-	$(MAKE) -C $(BDIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
-
-NETBSD_RELEASE   ?= 2.0
-NETBSD_VER       ?= $(shell ( /bin/ls -ld netbsd-$(NETBSD_RELEASE)*-xen-sparse ) 2>/dev/null | \
-		      sed -e 's!^.*netbsd-\(.\+\)-xen-sparse!\1!' )
-NETBSD_CVSSNAP   ?= 20040906
-NETBSD_SRC_PATH  ?= .:..
-NETBSD_SRC       ?= $(firstword $(foreach dir,$(subst :, ,$(NETBSD_SRC_PATH)),\
-                    $(wildcard $(dir)/netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP).tar.*z*)))
-NETBSD_TOOLS_SRC ?= $(firstword $(foreach dir,$(subst :, ,$(NETBSD_SRC_PATH)),\
-                    $(wildcard $(dir)/netbsd-$(NETBSD_VER)-tools.tar.*z*)))
-
-NETBSD_TREES := netbsd-$(NETBSD_VER)-xenU
-
-pristine-netbsd-src: 
-ifeq ($(NETBSD_SRC),)
-	@echo "Cannot find netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP).tar.gz in path $(NETBSD_SRC_PATH)"
-	@wget http://www.cl.cam.ac.uk/Research/SRG/netos/xen/downloads/netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP).tar.bz2 -O./netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP).tar.bz2
-NETBSD_SRC := ./netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP).tar.bz2 
-endif
-
-pristine-netbsd-tools-src: 
-ifeq ($(NETBSD_TOOLS_SRC),)
-	@echo "Cannot find netbsd-$(NETBSD_VER)-tools.tar.gz in path $(NETBSD_SRC_PATH)"
-	@wget http://www.cl.cam.ac.uk/Research/SRG/netos/xen/downloads/netbsd-$(NETBSD_VER)-tools.tar.bz2 -O./netbsd-$(NETBSD_VER)-tools.tar.bz2
-NETBSD_TOOLS_SRC := ./netbsd-$(NETBSD_VER)-tools.tar.bz2 
-endif
-
-netbsd-tools: pristine-netbsd-tools-src
-	@[ -d netbsd-$(NETBSD_RELEASE)-tools ] || { \
-		echo extract $(NETBSD_TOOLS_SRC); \
-		tar -jxf $(NETBSD_TOOLS_SRC); }
-
-mk-netbsd-trees: netbsd-tools pristine-netbsd-src 
-	$(RM) -rf $(NETBSD_TREES)
-	echo $(NETBSD_SRC) | grep -q bz2 && \
-	    tar -jxf $(NETBSD_SRC) || tar -zxf $(NETBSD_SRC)
-	mv netbsd-$(NETBSD_VER)-xen-kernel-$(NETBSD_CVSSNAP) \
-	    netbsd-$(NETBSD_VER)-xenU
-	( cd netbsd-$(NETBSD_VER)-xen-sparse ; \
-          ./mkbuildtree ../netbsd-$(NETBSD_VER)-xenU )
-
-# build the specified netbsd tree
-NBDIR = $(subst netbsd-,netbsd-$(NETBSD_VER)-,$@)
-netbsd-xen%:	
-	$(MAKE) -C $(NBDIR) config
-	$(MAKE) -C $(NBDIR) netbsd
-	$(MAKE) -C $(NBDIR) INSTALL_PATH=$(INSTALL_DIR) INSTALL_NAME=boot/netbsd-$(NETBSD_VER)-$(subst netbsd-,,$@) install
+# Build all the various kernels
+kernels:
+	for i in $(KERNELS) ; do $(MAKE) -f buildconfigs/$$i build ; done
+
+# Delete the kernel build trees
+kdelete:
+	for i in $(KERNELS) ; do $(MAKE) -f buildconfigs/$$i kdelete ; done
+
+# Make patches from kernel sparse trees
+mkpatches:
+	$(MAKE) -f buildconfigs/Rules.mk mkpatches
+
 
 # build xen, the tools, and a domain 0 plus unprivileged linux-xen images,
 # and place them in the install directory. 'make install' should then
 # copy them to the normal system directories
 world:
 	$(MAKE) clean
+	$(MAKE) kdelete
 	$(MAKE) all
-	$(MAKE) mk-linux-trees
-	$(MAKE) config-xenU
-	$(MAKE) linux-xenU
-	$(MAKE) config-xen0
-	$(MAKE) linux-xen0
 	$(MAKE) docs
 
-linux26:
-	$(MAKE) LINUX_RELEASE=2.6 mk-linux-trees
-	$(MAKE) LINUX_RELEASE=2.6 config-xenU
-	$(MAKE) LINUX_RELEASE=2.6 linux-xenU
-	$(MAKE) LINUX_RELEASE=2.6 config-xen0
-	$(MAKE) LINUX_RELEASE=2.6 linux-xen0
-
-linux24:
-	$(MAKE) LINUX_RELEASE=2.4 mk-linux-trees
-	$(MAKE) LINUX_RELEASE=2.4 config-xenU
-	$(MAKE) LINUX_RELEASE=2.4 linux-xenU
-	$(MAKE) LINUX_RELEASE=2.4 config-xen0
-	$(MAKE) LINUX_RELEASE=2.4 linux-xen0
-
-netbsd:
-	$(MAKE) mk-netbsd-trees
-	$(MAKE) netbsd-xenU
+docs:
+	$(MAKE) -C docs all || true
 
-clean: delete-symlinks
+clean: 
 	$(MAKE) -C xen clean
 	$(MAKE) -C tools clean
 	$(MAKE) -C docs clean
 
-# clean, but blow away linux build tree plus src tar ball
+# clean, but blow away kernel build tree plus tar balls
 mrproper: clean
-	rm -rf install/* patches $(LINUX_TREES) linux-$(LINUX_VER).tar.*
-
-make-symlinks: delete-symlinks
-	ln -sf linux-$(LINUX26_VER)-xen-sparse linux-xen-sparse
-
-delete-symlinks:
-	$(RM) linux-xen-sparse
+	rm -rf install/* patches *.tar.bz2 
+	for i in `ls buildconfigs | grep -v Rules.mk` ; do $(MAKE) -f buildconfigs/$$i kdelete || true ; done
+	$(MAKE) -f buildconfigs/Rules.mk mrproper
 
 # handy target to install twisted (use rpm or apt-get in preference)
 install-twisted:
@@ -226,9 +87,18 @@ install-iptables:
 	( cd iptables-* ; \
 	  make PREFIX= KERNEL_DIR=../linux-$(LINUX_VER)-xen0 install)
 
+# Use this target with extreme care!
 uninstall:
 	cp -a /etc/xen /etc/xen.old && rm -rf /etc/xen 
-	rm -rf "/usr/lib/python2.2/site-packages/xen* /usr/lib/libxc* /usr/lib/python2.2/site-packages/Xc*"
+	rm -rf "/usr/lib/python2.?/site-packages/xen* /usr/lib/libxc* /usr/lib/python2.?/site-packages/Xc*"
+
+# Legacy target for compatibility
+linux24:
+	$(MAKE) -f buildconfigs/linux-2.4-xen0
+	$(MAKE) -f buildconfigs/linux-2.4-xenU
+
+# Legacy target for compatibility
+linux26:
+	$(MAKE) -f buildconfigs/linux-2.6-xen0
+	$(MAKE) -f buildconfigs/linux-2.6-xenU
 
-docs:
-	$(MAKE) -C docs all || true
diff --git a/buildconfigs/Rules.mk b/buildconfigs/Rules.mk
new file mode 100644
index 0000000000..6f1caf7d67
--- /dev/null
+++ b/buildconfigs/Rules.mk
@@ -0,0 +1,64 @@
+
+LINUX_26VER ?= $(shell ( /bin/ls -ld linux-2.6.*-xen-sparse ) \
+		2>/dev/null | sed -e 's!^.*linux-\(.\+\)-xen-sparse!\1!' )
+
+LINUX_24VER ?= $(shell ( /bin/ls -ld linux-2.4.*-xen-sparse ) \
+		2>/dev/null | sed -e 's!^.*linux-\(.\+\)-xen-sparse!\1!' )
+
+LINUX_SRC_PATH   ?= .:..
+
+LINUX_26SRC      ?= $(firstword $(foreach dir,$(subst :, ,$(LINUX_SRC_PATH)),\
+                    $(wildcard $(dir)/linux-$(LINUX_26VER).tar.*z*)))
+
+LINUX_24SRC      ?= $(firstword $(foreach dir,$(subst :, ,$(LINUX_SRC_PATH)),\
+                    $(wildcard $(dir)/linux-$(LINUX_24VER).tar.*z*)))
+
+.PHONY:	mkpatches linux-$(LINUX_24VER)-xen.patch linux-$(LINUX_26VER)-xen.patch mrproper
+
+# search for a pristine kernel tar ball, or try downloading one
+linux-$(LINUX_26VER).tar.bz2:
+ifeq ($(LINUX_26SRC),)
+	echo "Cannot find linux-$(LINUX_26VER).tar.bz2 in path $(LINUX_SRC_PATH)"
+	wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-$(LINUX_26VER).tar.bz2 -O./linux-$(LINUX_26VER).tar.bz2
+LINUX_26SRC := ./linux-$(LINUX_26VER).tar.bz2 
+endif
+
+pristine-linux-$(LINUX_26VER): $(LINUX_26SRC)
+	rm -rf tmp $@ && mkdir -p tmp && tar -C tmp -jxf $(LINUX_26SRC) && mv tmp/* $@
+	touch $@ # update timestamp to avoid rebuild
+
+
+# search for a pristine kernel tar ball, or try downloading one
+linux-$(LINUX_24VER).tar.bz2:
+ifeq ($(LINUX_24SRC),)
+	echo "Cannot find linux-$(LINUX_24VER).tar.bz2 in path $(LINUX_SRC_PATH)"
+	wget http://www.kernel.org/pub/linux/kernel/v2.4/linux-$(LINUX_24VER).tar.bz2 -O./linux-$(LINUX_24VER).tar.bz2
+LINUX_24SRC := ./linux-$(LINUX_24VER).tar.bz2 
+endif
+
+pristine-linux-$(LINUX_24VER): $(LINUX_24SRC)
+	rm -rf tmp $@ && mkdir -p tmp && tar -C tmp -jxf $(LINUX_24SRC) && mv tmp/* $@
+	touch $@ # update timestamp to avoid rebuild
+
+linux-$(LINUX_24VER)-xen.patch: pristine-linux-$(LINUX_24VER)	
+	rm -rf tmp-$@
+	cp -al pristine-linux-$(LINUX_24VER) tmp-$@
+	( cd linux-$(LINUX_24VER)-xen-sparse ; \
+          ./mkbuildtree ../tmp-$@ )	
+	diff -Nurp pristine-linux-$(LINUX_24VER) tmp-$@ > $@ || true
+	rm -rf tmp-$@
+
+linux-$(LINUX_26VER)-xen.patch: pristine-linux-$(LINUX_26VER)
+	rm -rf tmp-$@
+	cp -al pristine-linux-$(LINUX_26VER) tmp-$@
+	( cd linux-$(LINUX_26VER)-xen-sparse ; \
+          ./mkbuildtree ../tmp-$@ )	
+	diff -Nurp pristine-linux-$(LINUX_26VER) tmp-$@ > $@ || true
+	rm -rf tmp-$@
+
+mkpatches: linux-$(LINUX_24VER)-xen.patch linux-$(LINUX_26VER)-xen.patch
+
+mrproper:
+	rm -rf pristine-linux-$(LINUX_24VER) linux-$(LINUX_24VER).tar.bz2
+	rm -rf pristine-linux-$(LINUX_26VER) linux-$(LINUX_26VER).tar.bz2
+	rm -rf linux-$(LINUX_24VER)-xen.patch linux-$(LINUX_26VER)-xen.patch
\ No newline at end of file
diff --git a/buildconfigs/linux-2.4-xen0 b/buildconfigs/linux-2.4-xen0
new file mode 100644
index 0000000000..7f13f52109
--- /dev/null
+++ b/buildconfigs/linux-2.4-xen0
@@ -0,0 +1,53 @@
+
+EXTRAVERSION = xen0
+
+FULLVERSION  = $(LINUX_24VER)-$(EXTRAVERSION)
+
+LINUX_DIR    = linux-$(FULLVERSION)
+
+.PHONY: build clean mrproper mkpatch
+
+include buildconfigs/Rules.mk
+
+.PHONY: build clean mrproper mkpatch
+
+
+patches/ebtables.diff:
+	mkdir -p patches
+	wget http://www.cl.cam.ac.uk/netos/xen/downloads/ebtables-brnf-5_vs_2.4.27.diff.gz -O- | gunzip -c > $@
+
+# The real action starts here!
+$(LINUX_DIR):  pristine-linux-$(LINUX_24VER) patches/ebtables.diff
+	rm -rf $(LINUX_DIR)
+	cp -al pristine-linux-$(LINUX_24VER) $(LINUX_DIR)
+	# Apply arch-xen patches
+	( cd linux-$(LINUX_24VER)-xen-sparse ; \
+          ./mkbuildtree ../$(LINUX_DIR) )
+	# Patch kernel Makefile to set EXTRAVERSION
+	( cd $(LINUX_DIR) ; \
+	  sed -e 's/^EXTRAVERSION.*/&-$(EXTRAVERSION)/' Makefile >Mk.tmp ; \
+	  rm -f Makefile ; mv Mk.tmp Makefile )
+	# add ebtables patch
+	( cd $(LINUX_DIR) ; patch -p1 -F3 < ../patches/ebtables.diff )
+	# Re-use config from install dir if one exits else use make defconfig
+	cp $(INSTALL_DIR)/boot/config-$(FULLVERSION) $(LINUX_DIR)/.config || cp $(LINUX_DIR)/arch/xen/defconfig-$(EXTRAVERSION) $(LINUX_DIR)/.config
+	make -C $(LINUX_DIR) ARCH=xen oldconfig
+	make -C $(LINUX_DIR) ARCH=xen dep
+
+build: $(LINUX_DIR)
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen modules
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+
+clean:
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen clean
+
+kdelete: 
+	rm -rf tmp $(LINUX_DIR) 
+
+
+
+
+
+
+
diff --git a/buildconfigs/linux-2.4-xenU b/buildconfigs/linux-2.4-xenU
new file mode 100644
index 0000000000..e849da907d
--- /dev/null
+++ b/buildconfigs/linux-2.4-xenU
@@ -0,0 +1,51 @@
+
+EXTRAVERSION = xenU
+
+FULLVERSION  = $(LINUX_24VER)-$(EXTRAVERSION)
+
+LINUX_DIR    = linux-$(FULLVERSION)
+
+.PHONY: build clean mrproper mkpatch
+
+include buildconfigs/Rules.mk
+
+.PHONY: build clean mrproper mkpatch
+
+
+patches/ebtables.diff:
+	mkdir -p patches
+	wget http://www.cl.cam.ac.uk/netos/xen/downloads/ebtables-brnf-5_vs_2.4.27.diff.gz -O- | gunzip -c > $@
+
+# The real action starts here!
+$(LINUX_DIR):  pristine-linux-$(LINUX_24VER) patches/ebtables.diff
+	rm -rf $(LINUX_DIR)
+	cp -al pristine-linux-$(LINUX_24VER) $(LINUX_DIR)
+	# Apply arch-xen patches
+	( cd linux-$(LINUX_24VER)-xen-sparse ; \
+          ./mkbuildtree ../$(LINUX_DIR) )
+	# Patch kernel Makefile to set EXTRAVERSION
+	( cd $(LINUX_DIR) ; \
+	  sed -e 's/^EXTRAVERSION.*/&-$(EXTRAVERSION)/' Makefile >Mk.tmp ; \
+	  rm -f Makefile ; mv Mk.tmp Makefile )
+	# Re-use config from install dir if one exits else use make defconfig
+	cp $(INSTALL_DIR)/boot/config-$(FULLVERSION) $(LINUX_DIR)/.config || cp $(LINUX_DIR)/arch/xen/defconfig-$(EXTRAVERSION) $(LINUX_DIR)/.config
+	make -C $(LINUX_DIR) ARCH=xen oldconfig
+	make -C $(LINUX_DIR) ARCH=xen dep
+
+build: $(LINUX_DIR)
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen modules	
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+
+clean:
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen clean
+
+kdelete: 
+	rm -rf tmp $(LINUX_DIR) 
+
+
+
+
+
+
+
diff --git a/buildconfigs/linux-2.6-xen0 b/buildconfigs/linux-2.6-xen0
new file mode 100644
index 0000000000..32f9be17f7
--- /dev/null
+++ b/buildconfigs/linux-2.6-xen0
@@ -0,0 +1,45 @@
+
+EXTRAVERSION = xen0
+
+FULLVERSION  = $(LINUX_26VER)-$(EXTRAVERSION)
+
+LINUX_DIR    = linux-$(FULLVERSION)
+
+.PHONY: build clean mrproper mkpatch
+
+include buildconfigs/Rules.mk
+
+.PHONY: build clean mrproper mkpatch
+
+# The real action starts here!
+$(LINUX_DIR):  pristine-linux-$(LINUX_26VER)
+	rm -rf $(LINUX_DIR)
+	cp -al pristine-linux-$(LINUX_26VER) $(LINUX_DIR)
+	# Apply arch-xen patches
+	( cd linux-$(LINUX_26VER)-xen-sparse ; \
+          ./mkbuildtree ../$(LINUX_DIR) )
+	# Patch kernel Makefile to set EXTRAVERSION
+	( cd $(LINUX_DIR) ; \
+	  sed -e 's/^EXTRAVERSION.*/&-$(EXTRAVERSION)/' Makefile >Mk.tmp ; \
+	  rm -f Makefile ; mv Mk.tmp Makefile )
+	# Re-use config from install dir if one exits else use make defconfig
+	cp $(INSTALL_DIR)/boot/config-$(FULLVERSION) $(LINUX_DIR)/.config || cp $(LINUX_DIR)/arch/xen/configs/$(EXTRAVERSION)_defconfig $(LINUX_DIR)/.config
+	make -C $(LINUX_DIR) ARCH=xen oldconfig
+
+build: $(LINUX_DIR)
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen modules
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+
+clean:
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen clean
+
+kdelete: 
+	rm -rf tmp $(LINUX_DIR) 
+
+
+
+
+
+
+
diff --git a/buildconfigs/linux-2.6-xenU b/buildconfigs/linux-2.6-xenU
new file mode 100644
index 0000000000..eb25a7032c
--- /dev/null
+++ b/buildconfigs/linux-2.6-xenU
@@ -0,0 +1,45 @@
+
+EXTRAVERSION = xenU
+
+FULLVERSION  = $(LINUX_26VER)-$(EXTRAVERSION)
+
+LINUX_DIR    = linux-$(FULLVERSION)
+
+.PHONY: build clean mrproper mkpatch
+
+include buildconfigs/Rules.mk
+
+.PHONY: build clean mrproper mkpatch
+
+# The real action starts here!
+$(LINUX_DIR):  pristine-linux-$(LINUX_26VER)
+	rm -rf $(LINUX_DIR)
+	cp -al pristine-linux-$(LINUX_26VER) $(LINUX_DIR)
+	# Apply arch-xen patches
+	( cd linux-$(LINUX_26VER)-xen-sparse ; \
+          ./mkbuildtree ../$(LINUX_DIR) )
+	# Patch kernel Makefile to set EXTRAVERSION
+	( cd $(LINUX_DIR) ; \
+	  sed -e 's/^EXTRAVERSION.*/&-$(EXTRAVERSION)/' Makefile >Mk.tmp ; \
+	  rm -f Makefile ; mv Mk.tmp Makefile )
+	# Re-use config from install dir if one exits else use make defconfig
+	cp $(INSTALL_DIR)/boot/config-$(FULLVERSION) $(LINUX_DIR)/.config || cp $(LINUX_DIR)/arch/xen/configs/$(EXTRAVERSION)_defconfig $(LINUX_DIR)/.config
+	make -C $(LINUX_DIR) ARCH=xen oldconfig
+
+build: $(LINUX_DIR)
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen modules
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_MOD_PATH=$(INSTALL_DIR) modules_install
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen INSTALL_PATH=$(INSTALL_DIR) install
+
+clean:
+	$(MAKE) -C $(LINUX_DIR) ARCH=xen clean
+
+kdelete: 
+	rm -rf tmp $(LINUX_DIR) 
+
+
+
+
+
+
+