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# We expect these two to already be set if people
# are using the top-level Makefile
DIST_DIR ?= $(shell pwd)/dist
INSTALL_DIR ?= $(DIST_DIR)/install
.PHONY: mkpatches mrproper
# Expand Linux series to Linux version
LINUX_SERIES ?= 2.6
LINUX_VER ?= $(patsubst linux-%-xen-sparse,%,$(wildcard linux-$(LINUX_SERIES)*-xen-sparse))
# Setup Linux search patch
LINUX_SRC_PATH ?= .:..
vpath linux-%.tar.bz2 $(LINUX_SRC_PATH)
# download a pristine Linux kernel tarball if there isn't one in LINUX_SRC_PATH
linux-%.tar.bz2: override _LINUX_VDIR = $(word 1,$(subst ., ,$*)).$(word 2,$(subst ., ,$*))
linux-%.tar.bz2:
echo "Cannot find linux-$*.tar.bz2 in path $(LINUX_SRC_PATH)"
wget http://www.kernel.org/pub/linux/kernel/v$(_LINUX_VDIR)/linux-$*.tar.bz2 -O./$@
# Expand NetBSD release to NetBSD version
NETBSD_RELEASE ?= 2.0
NETBSD_VER ?= $(patsubst netbsd-%-xen-sparse,%,$(wildcard netbsd-$(NETBSD_RELEASE)*-xen-sparse))
NETBSD_CVSSNAP ?= 20040906
# Setup NetBSD search patch
NETBSD_SRC_PATH ?= .:..
vpath netbsd-%.tar.bz2 $(NETBSD_SRC_PATH)
# download a pristine NetBSD tarball if there isn't one in NETBSD_SRC_PATH
netbsd-%-xen-kernel-$(NETBSD_CVSSNAP).tar.bz2:
echo "Cannot find $@ 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-%.tar.bz2: netbsd-%-xen-kernel-$(NETBSD_CVSSNAP).tar.bz2
ln -fs $< $@
pristine-%: %.tar.bz2
rm -rf tmp-$* $@ && \
mkdir -p tmp-$* && \
tar -C tmp-$* -jxf $< && \
mv tmp-$*/* $@
touch $@ # update timestamp to avoid rebuild
@rm -rf tmp-$*
%-xen.patch: pristine-%
rm -rf tmp-$@
cp -al pristine-$* tmp-$@
( cd $*-xen-sparse && ./mkbuildtree ../tmp-$@ )
diff -Nurp pristine-$* tmp-$@ > $@ || true
rm -rf tmp-$@
%-mrproper:
rm -rf pristine-$* $*.tar.bz2
rm -rf $*-xen.patch
rm -rf $*-tools $*-tools.tar.bz2
# never delete any intermediate files.
.SECONDARY:
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