From 7a35a3f0b5f668c9b7cdb289293977543735829d Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Fri, 25 May 2007 11:03:40 +0100 Subject: Factor out sparse tree makefile fragments and introduce hg-clone and tarball methods in preparation for migrating away from the sparse tree layout. This re-introduces 14883:6568c1882af5 and 14862:98efd2e410ae plus further fixes. Also add makefile fragments to support building the paravirt ops tree (make linux-2.6-paravirt-build). Signed-off-by: Ian Campbell --- buildconfigs/Rules.mk | 95 ++------------------------------ buildconfigs/create_config.sh | 7 ++- buildconfigs/mk.linux-2.6-native | 2 +- buildconfigs/mk.linux-2.6-paravirt | 11 ++++ buildconfigs/mk.linux-2.6-xen | 102 ++++++++++++++++++++++++----------- buildconfigs/mk.linux-2.6-xen0 | 2 +- buildconfigs/mk.linux-2.6-xenU | 2 +- buildconfigs/mk.linux-2.6.5-SLES-xen | 12 +++++ buildconfigs/mk.linux-2.6.9-RHEL-xen | 12 +++++ buildconfigs/src.hg-clone | 26 +++++++++ buildconfigs/src.sparse | 76 ++++++++++++++++++++++++++ buildconfigs/src.tarball | 25 +++++++++ 12 files changed, 243 insertions(+), 129 deletions(-) create mode 100644 buildconfigs/mk.linux-2.6-paravirt create mode 100644 buildconfigs/mk.linux-2.6.5-SLES-xen create mode 100644 buildconfigs/mk.linux-2.6.9-RHEL-xen create mode 100644 buildconfigs/src.hg-clone create mode 100644 buildconfigs/src.sparse create mode 100644 buildconfigs/src.tarball (limited to 'buildconfigs') diff --git a/buildconfigs/Rules.mk b/buildconfigs/Rules.mk index ae61ea0095..49ef8fe21d 100644 --- a/buildconfigs/Rules.mk +++ b/buildconfigs/Rules.mk @@ -3,79 +3,9 @@ include Config.mk export DESTDIR -# Choose the best mirror to download linux kernel -KERNEL_REPO = http://www.kernel.org - ALLKERNELS = $(patsubst buildconfigs/mk.%,%,$(wildcard buildconfigs/mk.*)) ALLSPARSETREES = $(patsubst %-xen-sparse,%,$(wildcard *-xen-sparse)) -# Setup pristine search path -PRISTINE_SRC_PATH ?= .:.. -vpath pristine-% $(PRISTINE_SRC_PATH) - -# Let XEN_TARGET_ARCH override ARCH. -ifeq ($(XEN_TARGET_ARCH),x86_32) -LINUX_ARCH ?= i386 -else -LINUX_ARCH ?= $(XEN_TARGET_ARCH) -endif - -# Expand Linux series to Linux version -LINUX_SERIES ?= 2.6 -LINUX_VER ?= $(shell grep "^LINUX_VER " buildconfigs/mk.linux-2.6-xen | sed -e 's/.*=[ ]*//') - -# Setup Linux search path -LINUX_SRC_PATH ?= .:.. -vpath linux-%.tar.bz2 $(LINUX_SRC_PATH) -vpath patch-%.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 $@ in path $(LINUX_SRC_PATH)" - wget $(KERNEL_REPO)/pub/linux/kernel/v$(_LINUX_VDIR)/$@ -O./$@ - -patch-%.bz2: override _LINUX_VDIR = $(word 1,$(subst ., ,$(*F))).$(word 2,$(subst ., ,$(*F))) -patch-%.bz2: override _LINUX_XDIR = $(if $(word 3,$(subst -, ,$(*F))),snapshots,testing) -patch-%.bz2: - @echo "Cannot find $(@F) in path $(LINUX_SRC_PATH)" - wget $(KERNEL_REPO)/pub/linux/kernel/v$(_LINUX_VDIR)/$(_LINUX_XDIR)/$(@F) -O./$@ - -pristine-%: pristine-%/.valid-pristine - @true - -pristine-%/.valid-pristine: %.tar.bz2 - rm -rf tmp-pristine-$* $(@D) - mkdir -p tmp-pristine-$* - tar -C tmp-pristine-$* -jxf $< - -@rm -f tmp-pristine-$*/pax_global_header - mv tmp-pristine-$*/* $(@D) - @rm -rf tmp-pristine-$* - touch $(@D)/.hgskip - touch $@ # update timestamp to avoid rebuild - -PATCHDIRS := $(wildcard patches/*-*) - -ifneq ($(PATCHDIRS),) --include $(patsubst %,%/.makedep,$(PATCHDIRS)) - -$(patsubst patches/%,patches/%/.makedep,$(PATCHDIRS)): patches/%/.makedep: - @echo 'ref-$*/.valid-ref: $$(wildcard patches/$*/*.patch)' >$@ - -ref-%/.valid-ref: pristine-%/.valid-pristine - set -e - rm -rf $(@D) - cp -al $( $@ || true - rm -rf tmp-$@ - -%-xen.patch: ref-%/.valid-ref - rm -rf tmp-$@ - cp -al $( $@ || true - rm -rf tmp-$@ +%.patch: + $(MAKE) -f buildconfigs/mk.$* $@ %-mrproper: - $(MAKE) -f buildconfigs/mk.$*-xen mrpropper + $(MAKE) -f buildconfigs/mk.$*-xen mrproper rm -rf pristine-$(*)* ref-$(*)* rm -rf $*-xen.patch -.PHONY: config-update-pae -config-update-pae: -ifeq ($(XEN_TARGET_X86_PAE),y) - sed -e 's!^CONFIG_HIGHMEM4G=y$$!\# CONFIG_HIGHMEM4G is not set!;s!^\# CONFIG_HIGHMEM64G is not set$$!CONFIG_HIGHMEM64G=y!' $(CONFIG_FILE) > $(CONFIG_FILE)- && mv $(CONFIG_FILE)- $(CONFIG_FILE) -else - grep '^CONFIG_HIGHMEM64G=y' $(CONFIG_FILE) >/dev/null && ( sed -e 's!^CONFIG_HIGHMEM64G=y$$!\# CONFIG_HIGHMEM64G is not set!;s!^\# CONFIG_HIGHMEM4G is not set$$!CONFIG_HIGHMEM4G=y!' $(CONFIG_FILE) > $(CONFIG_FILE)- && mv $(CONFIG_FILE)- $(CONFIG_FILE) ) || true -endif - # never delete any intermediate files. .SECONDARY: diff --git a/buildconfigs/create_config.sh b/buildconfigs/create_config.sh index 76b7a484fe..529b7fadcb 100644 --- a/buildconfigs/create_config.sh +++ b/buildconfigs/create_config.sh @@ -18,23 +18,26 @@ systype=$4 # Start with initial config skeleton file, if any. # Derive from linux-defconfig_xen_x86_32 otherwise. # -skeleton=buildconfigs/linux-defconfig_${extraversion}_${target_arch}${systype} +skeleton=buildconfigs/linux-defconfig_${extraversion#-}_${target_arch}${systype} [ -r $skeleton ] || skeleton=buildconfigs/linux-defconfig_xen_x86_32 [ -r $skeleton.local ] && skeleton=$skeleton.local cp $skeleton $config_file +echo "Using $skeleton as base config" # Update # filter_template="s/^#\{0,1\} *\(CONFIG[^= ]*\).*/\/^#\\\{0,1\\\} *\1[= ].*\/d/p" -config_dirs="buildconfigs/conf.linux buildconfigs/conf.linux-${target_arch} buildconfigs/conf.linux-${extraversion} buildconfigs/conf.linux-${target_arch}-${extraversion}" +config_dirs="buildconfigs/conf.linux buildconfigs/conf.linux-${target_arch} buildconfigs/conf.linux${extraversion} buildconfigs/conf.linux-${target_arch}${extraversion}" for config_dir in $config_dirs do if [ -d $config_dir ]; then + echo "Processing $config_dir..." 1>&2 # processing is done in alphanumeric order find $config_dir -type f | sort | while read update do + echo " ... $update" 1>&2 # create the filter rules in a temp file filter_rules=`mktemp -t xenupdateconf.XXXXXXXXXX` sed -n "${filter_template}" < $update > $filter_rules diff --git a/buildconfigs/mk.linux-2.6-native b/buildconfigs/mk.linux-2.6-native index c3ee13bdca..09ed18efde 100644 --- a/buildconfigs/mk.linux-2.6-native +++ b/buildconfigs/mk.linux-2.6-native @@ -1,4 +1,4 @@ -EXTRAVERSION = native +EXTRAVERSION = -native IMAGE_TARGET = bzImage INSTALL_BOOT_PATH = $(DESTDIR)/boot include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/mk.linux-2.6-paravirt b/buildconfigs/mk.linux-2.6-paravirt new file mode 100644 index 0000000000..1a0127733e --- /dev/null +++ b/buildconfigs/mk.linux-2.6-paravirt @@ -0,0 +1,11 @@ +XEN_LINUX_SOURCE ?= tarball +XEN_LINUX_MIRROR ?= http://xenbits.xensource.com/ext/paravirt_ops/ +LINUX_VER ?= 2.6-paravirt + +# This target currently only supports x86_32. +XEN_TARGET_ARCH = x86_32 +IMAGE_TARGET ?= vmlinux bzImage + +EXTRAVERSION ?= + +include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/mk.linux-2.6-xen b/buildconfigs/mk.linux-2.6-xen index bdc5e738ad..afd56b1397 100644 --- a/buildconfigs/mk.linux-2.6-xen +++ b/buildconfigs/mk.linux-2.6-xen @@ -1,21 +1,28 @@ LINUX_SERIES = 2.6 -LINUX_VER = 2.6.18 +LINUX_VER ?= 2.6.18 -EXTRAVERSION ?= xen +EXTRAVERSION ?= -xen -LINUX_SRCDIR = linux-$(LINUX_VER)-xen -LINUX_DIR = build-linux-$(LINUX_VER)-$(EXTRAVERSION)_$(XEN_TARGET_ARCH) +XEN_LINUX_SOURCE ?= sparse -IMAGE_TARGET ?= vmlinuz -INSTALL_BOOT_PATH ?= $(DESTDIR) +# Let XEN_TARGET_ARCH override ARCH. +ifeq ($(XEN_TARGET_ARCH),x86_32) +LINUX_ARCH ?= i386 +else +LINUX_ARCH ?= $(XEN_TARGET_ARCH) +endif -ifeq ($(XEN_TARGET_ARCH),ia64) +LINUX_DIR = build-linux-$(LINUX_VER)$(EXTRAVERSION)_$(XEN_TARGET_ARCH) + +IMAGE_TARGET ?= vmlinuz INSTALL_BOOT_PATH := $(DESTDIR)/boot -endif LINUX_VER3 := $(LINUX_SERIES).$(word 3, $(subst ., ,$(LINUX_VER))) -include buildconfigs/Rules.mk +.PHONY: _build +_build: build + +include buildconfigs/src.$(XEN_LINUX_SOURCE) # The real action starts here! .PHONY: build @@ -28,31 +35,63 @@ build: $(LINUX_DIR)/include/linux/autoconf.h mkdir -p $(INSTALL_BOOT_PATH) $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) INSTALL_PATH=$(INSTALL_BOOT_PATH) install -$(LINUX_SRCDIR)/.valid-src: ref-linux-$(LINUX_VER)/.valid-ref - rm -rf $(LINUX_SRCDIR) - cp -al $(Mk.tmp ; \ - rm -f Makefile ; mv Mk.tmp Makefile ) - touch $@ - +$(LINUX_DIR)/include/linux/autoconf.h: CONFIG_FILE=$(PWD)/$(LINUX_DIR)/.config $(LINUX_DIR)/include/linux/autoconf.h: $(LINUX_SRCDIR)/.valid-src rm -rf $(LINUX_DIR) mkdir -p $(LINUX_DIR) - # Re-use config from install dir if one exits else use default config + # Re-use config from install dir if one exists. Next try to use + # buildconfigs/create_config.sh is one is provided by the source + # tree. Finally attempt to use make defconfig. + set -e ; \ CONFIG_VERSION=$$(sed -ne 's/$$(XENGUEST)//; s/^EXTRAVERSION = //p' $(LINUX_SRCDIR)/Makefile); \ - [ -r $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION-$(EXTRAVERSION) ] && \ - cp $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION-$(EXTRAVERSION) $(LINUX_DIR)/.config \ - || sh buildconfigs/create_config.sh $(LINUX_DIR)/.config $(EXTRAVERSION) $(XEN_TARGET_ARCH) $(XEN_SYSTYPE) - # See if we need to munge config to enable PAE - $(MAKE) CONFIG_FILE=$(LINUX_DIR)/.config -f buildconfigs/Rules.mk config-update-pae - echo "-$(EXTRAVERSION)" >$(LINUX_DIR)/.xenguest + if [ -r $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION$(EXTRAVERSION) ] ; then \ + cp $(DESTDIR)/boot/config-$(LINUX_VER3)$$CONFIG_VERSION$(EXTRAVERSION) $(CONFIG_FILE) ; \ + elif [ -e $(LINUX_SRCDIR)/buildconfigs/create_config.sh ] ; then \ + cd $(LINUX_SRCDIR) && sh buildconfigs/create_config.sh \ + $(CONFIG_FILE) $(EXTRAVERSION) $(XEN_TARGET_ARCH) $(XEN_SYSTYPE) ; \ + echo "Configured $(LINUX_DIR) using create_config.sh" ; \ + elif $(MAKE) -C $(LINUX_SRCDIR) ARCH=$(LINUX_ARCH) defconfig O=$$(/bin/pwd)/$(LINUX_DIR) ; then \ + echo "Configured $(LINUX_DIR) using defconfig" ; \ + else \ + echo "No configuration method found for this kernel" ; \ + fi +ifeq ($(XEN_TARGET_ARCH),x86_32) +ifeq ($(pae),y) + sed -e 's!^CONFIG_HIGHMEM4G=y$$!\# CONFIG_HIGHMEM4G is not set!;s!^\# CONFIG_HIGHMEM64G is not set$$!CONFIG_HIGHMEM64G=y!' $(CONFIG_FILE) > $(CONFIG_FILE)- && mv $(CONFIG_FILE)- $(CONFIG_FILE) +else + grep '^CONFIG_HIGHMEM64G=y' $(CONFIG_FILE) >/dev/null && ( sed -e 's!^CONFIG_HIGHMEM64G=y$$!\# CONFIG_HIGHMEM64G is not set!;s!^\# CONFIG_HIGHMEM4G is not set$$!CONFIG_HIGHMEM4G=y!' $(CONFIG_FILE) > $(CONFIG_FILE)- && mv $(CONFIG_FILE)- $(CONFIG_FILE) ) || true +endif +endif +ifneq ($(EXTRAVERSION),) + echo "$(EXTRAVERSION)" >$(LINUX_DIR)/localversion-xen +endif $(MAKE) -C $(LINUX_SRCDIR) ARCH=$(LINUX_ARCH) oldconfig O=$$(/bin/pwd)/$(LINUX_DIR) + @if [ ! -f $(LINUX_DIR)/Makefile ] ; then \ + echo "***********************************"; \ + echo "oldconfig did not create a Makefile"; \ + echo "Generating $(LINUX_DIR)/Makefile "; \ + echo "***********************************"; \ + ( echo "# Automatically generated: don't edit"; \ + echo ""; \ + echo "VERSION = 2"; \ + echo "PATCHLEVEL = 6"; \ + echo ""; \ + echo "KERNELSRC := $(PWD)/$(LINUX_SRCDIR)"; \ + echo "KERNELOUTPUT := $(PWD)/$(LINUX_DIR)"; \ + echo ""; \ + echo "MAKEFLAGS += --no-print-directory"; \ + echo ""; \ + echo ".PHONY: all \$$(MAKECMDGOALS)"; \ + echo ""; \ + echo "all:"; \ + echo " \$$(MAKE) -C \$$(KERNELSRC) O=\$$(KERNELOUTPUT)"; \ + echo ""; \ + echo "Makefile:;"; \ + echo ""; \ + echo "\$$(filter-out all Makefile,\$$(MAKECMDGOALS)) %/:"; \ + echo " \$$(MAKE) -C \$$(KERNELSRC) O=\$$(KERNELOUTPUT) \$$@"; \ + ) > $(LINUX_DIR)/Makefile ; \ + fi .PHONY: prep prep: $(LINUX_DIR)/include/linux/autoconf.h @@ -67,12 +106,11 @@ clean:: [ ! -d $(LINUX_DIR) ] || \ $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) clean - .PHONY: delete delete: rm -rf tmp-linux-$(LINUX_VER) $(LINUX_DIR) -.PHONY: mrpropper -mrpropper: +.PHONY: mrproper +mrproper: rm -rf $(LINUX_SRCDIR) rm -f linux-$(LINUX_VER).tar.bz2 diff --git a/buildconfigs/mk.linux-2.6-xen0 b/buildconfigs/mk.linux-2.6-xen0 index 604bc102a1..96a5712a83 100644 --- a/buildconfigs/mk.linux-2.6-xen0 +++ b/buildconfigs/mk.linux-2.6-xen0 @@ -1,2 +1,2 @@ -EXTRAVERSION = xen0 +EXTRAVERSION = -xen0 include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/mk.linux-2.6-xenU b/buildconfigs/mk.linux-2.6-xenU index fb2ded608d..02f3e0773b 100644 --- a/buildconfigs/mk.linux-2.6-xenU +++ b/buildconfigs/mk.linux-2.6-xenU @@ -1,2 +1,2 @@ -EXTRAVERSION = xenU +EXTRAVERSION = -xenU include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/mk.linux-2.6.5-SLES-xen b/buildconfigs/mk.linux-2.6.5-SLES-xen new file mode 100644 index 0000000000..693e89ca64 --- /dev/null +++ b/buildconfigs/mk.linux-2.6.5-SLES-xen @@ -0,0 +1,12 @@ +# This tree only supports PAE +XEN_TARGET_ARCH = x86_32 +XEN_TARGET_X86_PAE = y + +EXTRAVERSION = -xen +LINUX_VER = 2.6.5-SLES + +XEN_LINUX_SOURCE = hg-clone +XEN_LINUX_HGREPO ?= http://xenbits.xensource.com/kernels/sles9x.hg +XEN_LINUX_HGREV ?= tip + +include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/mk.linux-2.6.9-RHEL-xen b/buildconfigs/mk.linux-2.6.9-RHEL-xen new file mode 100644 index 0000000000..9b1a9b87a7 --- /dev/null +++ b/buildconfigs/mk.linux-2.6.9-RHEL-xen @@ -0,0 +1,12 @@ +# This tree only supports PAE +XEN_TARGET_ARCH = x86_32 +XEN_TARGET_X86_PAE = y + +EXTRAVERSION = -xen +LINUX_VER = 2.6.9-RHEL + +XEN_LINUX_SOURCE = hg-clone +XEN_LINUX_HGREPO ?= http://xenbits.xensource.com/kernels/rhel4x.hg +XEN_LINUX_HGREV ?= tip + +include buildconfigs/mk.linux-2.6-xen diff --git a/buildconfigs/src.hg-clone b/buildconfigs/src.hg-clone new file mode 100644 index 0000000000..f387a95b6a --- /dev/null +++ b/buildconfigs/src.hg-clone @@ -0,0 +1,26 @@ +# Main repository to clone. +XEN_LINUX_HGREPO ?= http://xenbits.xensource.com/linux-$(LINUX_VER)-xen.hg + +# Set this to pull additional changesets from a second source. + +# This can be useful if you use a local mirror for XEN_LINUX_HGREPO +# (to reduce time spent cloning) but still want to pull the very +# latest changesets from xenbits. +XEN_LINUX_HGUPDATES ?= + +# Set this to update to a particlar revision. +XEN_LINUX_HGREV ?= + +LINUX_SRCDIR ?= linux-$(LINUX_VER)-xen.hg + +$(LINUX_SRCDIR)/.valid-src: + if [ ! -d $(LINUX_SRCDIR) ] ; then \ + hg clone $(XEN_LINUX_HGREPO) $(LINUX_SRCDIR) ; \ + fi + if [ -n "$(XEN_LINUX_HGUPDATES)" ] ; then \ + hg pull -R $(LINUX_SRCDIR) $(XEN_LINUX_HGUPDATES) ; \ + fi + if [ -n "$(XEN_LINUX_HGREV)" ] ; then \ + hg update -R $(LINUX_SRCDIR) $(XEN_LINUX_HGREV) ; \ + fi + touch $@ diff --git a/buildconfigs/src.sparse b/buildconfigs/src.sparse new file mode 100644 index 0000000000..96a830050b --- /dev/null +++ b/buildconfigs/src.sparse @@ -0,0 +1,76 @@ +# Choose the best mirror to download linux kernel +KERNEL_REPO = http://www.kernel.org + +LINUX_SRCDIR ?= linux-$(LINUX_VER)-xen + +# Setup pristine search path +PRISTINE_SRC_PATH ?= .:.. +vpath pristine-% $(PRISTINE_SRC_PATH) + +# Setup Linux search path +LINUX_SRC_PATH ?= .:.. +vpath linux-%.tar.bz2 $(LINUX_SRC_PATH) +vpath patch-%.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 $@ in path $(LINUX_SRC_PATH)" + wget $(KERNEL_REPO)/pub/linux/kernel/v$(_LINUX_VDIR)/$@ -O./$@ + +patch-%.bz2: override _LINUX_VDIR = $(word 1,$(subst ., ,$(*F))).$(word 2,$(subst ., ,$(*F))) +patch-%.bz2: override _LINUX_XDIR = $(if $(word 3,$(subst -, ,$(*F))),snapshots,testing) +patch-%.bz2: + @echo "Cannot find $(@F) in path $(LINUX_SRC_PATH)" + wget $(KERNEL_REPO)/pub/linux/kernel/v$(_LINUX_VDIR)/$(_LINUX_XDIR)/$(@F) -O./$@ + +pristine-%: pristine-%/.valid-pristine + @true + +pristine-%/.valid-pristine: %.tar.bz2 + rm -rf tmp-pristine-$* $(@D) + mkdir -p tmp-pristine-$* + tar -C tmp-pristine-$* -jxf $< + -@rm -f tmp-pristine-$*/pax_global_header + mv tmp-pristine-$*/* $(@D) + @rm -rf tmp-pristine-$* + touch $(@D)/.hgskip + touch $@ # update timestamp to avoid rebuild + +PATCHDIRS := $(wildcard patches/*-*) + +ifneq ($(PATCHDIRS),) +-include $(patsubst %,%/.makedep,$(PATCHDIRS)) + +$(patsubst patches/%,patches/%/.makedep,$(PATCHDIRS)): patches/%/.makedep: + @echo 'ref-$*/.valid-ref: $$(wildcard patches/$*/*.patch)' >$@ + +ref-%/.valid-ref: pristine-%/.valid-pristine + set -e + rm -rf $(@D) + cp -al $( $@ || true + rm -rf tmp-$@ diff --git a/buildconfigs/src.tarball b/buildconfigs/src.tarball new file mode 100644 index 0000000000..35f0860479 --- /dev/null +++ b/buildconfigs/src.tarball @@ -0,0 +1,25 @@ +XEN_LINUX_MIRROR ?= http://www.kernel.org/pub/linux/kernel/v2.6/ +XEN_LINUX_TARBALL ?= linux-$(LINUX_VER)-xen.tar.bz2 + +LINUX_SRCDIR ?= linux-$(LINUX_VER) + +# Setup Linux search path +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: + @echo "Cannot find $@ in path $(LINUX_SRC_PATH)" + wget $(XEN_LINUX_MIRROR)/$@ -O./$@ + +# XXX create a pristine tree for diff -Nurp convenience + +%/.valid-src: %.tar.bz2 + rm -rf tmp-linux-$* $(@D) + mkdir -p tmp-linux-$* + tar -C tmp-linux-$* -jxf $< + -@rm -f tmp-linux-$*/pax_global_header + mv tmp-linux-$*/* $(@D) + @rm -rf tmp-linux-$* + touch $(@D)/.hgskip + touch $@ # update timestamp to avoid rebuild -- cgit v1.2.3