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linux/debian/rules

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Makefile
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#!/usr/bin/make -f
#
# Required variables
#
version := 2.6.11
abiname := 1
ktver := 2
kbuildver := 2.6-3
#
# Generally nothing needs to be modified below this line
#
debver := $(version)-$(abiname)
uver := $(subst .,_,$(version))
debnum := -$(abiname)
bpkg := kernel-build-$(debver)
kdir := kernel-source-$(version)
kbpkg := kernel-kbuild-$(kbuildver)
kpatch := /usr/src/kernel-patches/all/$(version)/apply/debian
export DEBIAN_SRCTOP := $(CURDIR)/$(kdir)
export DEBIAN_UPSTREAM_VERSION := $(version)
ifeq (,$(DEB_HOST_ARCH))
DEB_HOST_ARCH := $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_BUILD_ARCH := $(shell dpkg-architecture -qDEB_BUILD_ARCH)
endif
#
# The CROSS variable is only used on sparc to call
# the correct 'strip' binary on the kernel-image.
# Not sure whether we really need it.
#
ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
CROSS := $(DEB_HOST_ARCH)-linux-
endif
karch := $(DEB_HOST_ARCH)
controls := $(wildcard arch/*/control.in)
configs := $(notdir $(wildcard arch/$(karch)/config.*))
ifndef flavours
flavours := $(filter-out common, $(patsubst config.%,%,$(configs)))
endif
-include arch/$(karch)/Makefile.inc
#
# Here we construct the command lines for different make-kpkg
# calls (build, kernel-image, kernel-headers) based on the values
# of variables defined so far and provided by the architecture
# in Makefile.inc. Note that $$i in these expressions is going to
# become a reference to the shell variable $i, which is expected
# to have the current flavour. This is slightly evil, but saves
# a lot of grief.
#
kpkg_headers_cmd := HEADER_CLEAN_HOOK='$(CURDIR)/header-install' make-kpkg
kpkg_headers_cmd += --append-to-version $(debnum)
kpkg_build_cmd := make-kpkg --append-to-version $(debnum)-$$i
ifdef added_patches
kpkg_headers_cmd += --added_patches $(subst @uver@,$(uver),$(added_patches))
kpkg_build_cmd += --added_patches $(subst @uver@,$(uver),$(added_patches))
endif
ifdef build_subarch
kpkg_build_cmd += --subarch $$i
endif
ifdef headers_subarch
kpkg_headers_cmd += --subarch $(headers_subarch)
endif
ifdef build_makeflags
kpkg_build_cmd := MAKEFLAGS=$(build_makeflags) $(kpkg_build_cmd)
endif
kpkg_image_cmd := $(kpkg_build_cmd) --initrd kernel_image
kpkg_build_cmd += build
kpkg_headers_cmd += kernel-headers
ifndef headers_dirs
headers_dirs = $(karch)
endif
#
# Problems:
# * What to do with default config?
# TODO:
# * Check that make oldconfig does not actually
# change the config file. If it does, something
# is wrong (missing/extra options, etc).
#
unpack: unpack-stamp
unpack-stamp: $(kdir) $(configs) header-install
for i in $(flavours); do \
cp -al $(kdir) build-$$i; \
cp config.$$i build-$$i/.config; \
make -C build-$$i ARCH=$(karch) oldconfig; \
done
ln -s $$(command -v touch) bin/touch.orig
touch unpack-stamp
#
# Problems:
# * m68k,mips have no-op build targets
# * sparc strips parts of the kernel after building
# otherwise it is too big for silo to boot.
# TODO:
# * Implement optional stripping of the kernel
# (for sparc).
# * Check that it is really ok to call --subarch
# with the name of the flavour. For mips which
# is another --subarch user it should be fine.
#
build: build-stamp
build-stamp: unpack-stamp
dh_testdir
PATH=$$PWD/bin:$$PATH; \
for i in $(flavours); do \
cd build-$$i; \
$(kpkg_build_cmd); \
cd ..; \
done
touch build-stamp
clean:
rm -f *-stamp header-install config.*
rm -rf $(kdir) build-* install-* bin/touch.orig
dh_clean
binary-indep: build
#
# Problems:
# * sparc prepends the 'kernel-image' make-kpkg call
# by 'sparc32' and 'sparc64', depending on the flavour.
# Need to figure out the role of these binaries.
#
binary-arch: build
dh_testdir
dh_clean -k
dh_installdirs
cd $(kdir); $(kpkg_headers_cmd)
mv $(kdir)/debian/files debian
for i in $(flavours); do \
cp -al build-$$i install-$$i; \
cd install-$$i; \
$(kpkg_image_cmd); \
cd ..; \
cat install-$$i/debian/files >> debian/files \
rm -rf install-$$i
done
mv *.deb ..
binary: binary-indep binary-arch
header-install: header-install.in
sed -e 's/@kbpkg@/$(kbpkg)/g' \
-e 's/@karch@/$(karch)/g' \
-e 's/@headers_dirs@/$(headers_dirs)/g' \
header-install.in > header-install
chmod u+x header-install
#
# Generates the kernel config file for a subarch by merging
# the arch-independent config file (arch/config.common),
# arch-specific config file (arch/$(karch)/config.common),
# and subarch specific one (arch/$(karch)/config.subarch).
# It is possible to avoid the inclusion of the arch-indep
# config file by setting include_common_config = no in the
# arch/$(karch)/Makefile.inc. Absense of any of the above
# files is ignored.
#
config.%:
@echo -n "Generating configuration file $@ ..."
@arch='arch/$(karch)/config.common'; \
subarch='arch/$(karch)/$@'; \
include=''; \
if [ '$(include_common_config)' != 'no' ]; then \
include='arch/config.common'; \
fi; \
if [ -f "$${arch}" ]; then \
include="$${include} $${arch}"; \
fi; \
if [ -f "$${subarch}" ]; then \
include="$${include} $${subarch}"; \
fi; \
cat $${include} > $@
@echo " done."
#
# Prepares debian/control by cat'ing together all the
# control files, substituting variables, removing all
# empty lines and inserting a newline before every
# line starting with 'Package:'
#
debian/control:
cat debian/control.in $(controls) | \
sed -e 's/@karch@/$(karch)/g' \
-e 's/@version@/$(version)/g' \
-e 's/@ktver@/$(ktver)/g' \
-e 's/@abiname@/$(abiname)/g' \
-e 's/@kbpkg@/$(kbpkg)/g' | \
sed '/^[[:space:]]*$$/d' | \
sed 's/^Package:/\n&/g' > debian/control
$(kdir):
@echo -n "Unpacking kernel source $(version) ..."
@tar jxf /usr/src/kernel-source-$(version).tar.bz2
@cd $(kdir) && $(kpatch) $(version)-$(ktver)
@mkdir -p $(kdir)/debian
@cp debian/changelog $(kdir)/debian
@cp debian/control $(kdir)/debian
@cp debian/copyright $(kdir)/debian
@touch $(kdir)/debian/official
@install post-install $(kdir)/debian
@echo " done."
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