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# SPDX-License-Identifier: GPL-2.0-only
# Makefile for the different targets used to generate full packages of a kernel
include $(srctree)/scripts/Kbuild.include
include $(srctree)/scripts/Makefile.lib
KERNELPATH := kernel-$(subst -,_,$(KERNELRELEASE))
# Include only those top-level files that are needed by make, plus the GPL copy
TAR_CONTENT := Documentation LICENSES arch block certs crypto drivers fs \
include init io_uring ipc kernel lib mm net rust \
samples scripts security sound tools usr virt \
.config Makefile \
Kbuild Kconfig COPYING $(wildcard localversion*)
quiet_cmd_src_tar = TAR $(2).tar.gz
cmd_src_tar = \
if test "$(objtree)" != "$(srctree)"; then \
echo >&2; \
echo >&2 " ERROR:"; \
echo >&2 " Building source tarball is not possible outside the"; \
echo >&2 " kernel source tree. Don't set KBUILD_OUTPUT"; \
echo >&2; \
false; \
fi ; \
tar -I $(KGZIP) -c $(RCS_TAR_IGNORE) -f $(2).tar.gz \
--transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3)
# Git
# ---------------------------------------------------------------------------
filechk_HEAD = git -C $(srctree) rev-parse --verify HEAD 2>/dev/null
.tmp_HEAD: check-git FORCE
$(call filechk,HEAD)
PHONY += check-git
check-git:
@if ! $(srctree)/scripts/check-git; then \
echo >&2 "error: creating source package requires git repository"; \
false; \
fi
git-config-tar.gz = -c tar.tar.gz.command="$(KGZIP)"
git-config-tar.bz2 = -c tar.tar.bz2.command="$(KBZIP2)"
git-config-tar.lzma = -c tar.tar.lzma.command="$(LZMA)"
git-config-tar.xz = -c tar.tar.xz.command="$(XZ)"
git-config-tar.zst = -c tar.tar.zst.command="$(ZSTD)"
quiet_cmd_archive = ARCHIVE $@
cmd_archive = git -C $(srctree) $(git-config-tar$(suffix $@)) archive \
--output=$$(realpath $@) $(archive-args)
suffix-gzip := .gz
suffix-bzip2 := .bz2
suffix-lzma := .lzma
suffix-xz := .xz
# Linux source tarball
# ---------------------------------------------------------------------------
linux-tarballs := $(addprefix linux, .tar.gz .tar.bz2 .tar.lzma .tar.xz)
targets += $(linux-tarballs)
$(linux-tarballs): archive-args = --prefix=linux/ $$(cat $<)
$(linux-tarballs): .tmp_HEAD FORCE
$(call if_changed,archive)
# rpm-pkg srcrpm-pkg binrpm-pkg
# ---------------------------------------------------------------------------
quiet_cmd_mkspec = GEN $@
cmd_mkspec = $(srctree)/scripts/package/mkspec $@
rpmbuild/SPECS/kernel.spec: FORCE
$(call cmd,mkspec)
PHONY += rpm-sources
rpm-sources: linux.tar.gz
$(Q)mkdir -p rpmbuild/SOURCES
$(Q)ln -f linux.tar.gz rpmbuild/SOURCES/linux.tar.gz
$(Q)cp $(KCONFIG_CONFIG) rpmbuild/SOURCES/config
$(Q)$(srctree)/scripts/package/gen-diff-patch rpmbuild/SOURCES/diff.patch
PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
rpm-pkg: private build-type := a
srcrpm-pkg: private build-type := s
binrpm-pkg: private build-type := b
rpm-pkg srcrpm-pkg: rpm-sources
rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
+$(strip rpmbuild -b$(build-type) rpmbuild/SPECS/kernel.spec \
--define='_topdir $(abspath rpmbuild)' \
$(if $(filter a b, $(build-type)), \
--target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
$$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)) \
$(RPMOPTS))
# deb-pkg srcdeb-pkg bindeb-pkg
# ---------------------------------------------------------------------------
KDEB_SOURCE_COMPRESS ?= gzip
supported-deb-source-compress := gzip bzip2 lzma xz
PHONY += linux.tar.unsupported-deb-src-compress
linux.tar.unsupported-deb-src-compress:
@echo "error: KDEB_SOURCE_COMPRESS=$(KDEB_SOURCE_COMPRESS) is not supported. The supported values are: $(supported-deb-source-compress)" >&2
@false
debian-orig-suffix := \
$(strip $(if $(filter $(supported-deb-source-compress), $(KDEB_SOURCE_COMPRESS)), \
$(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress))
quiet_cmd_debianize = GEN $@
cmd_debianize = $(srctree)/scripts/package/mkdebian $(mkdebian-opts)
debian: FORCE
$(call cmd,debianize)
PHONY += debian-orig
debian-orig: private source = $(shell dpkg-parsechangelog -S Source)
debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-[^-]*$$//')
debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix)
debian-orig: mkdebian-opts = --need-source
debian-orig: linux.tar$(debian-orig-suffix) debian
$(Q)if [ "$(df --output=target .. 2>/dev/null)" = "$(df --output=target $< 2>/dev/null)" ]; then \
ln -f $< ../$(orig-name); \
else \
cp $< ../$(orig-name); \
fi
KBUILD_PKG_ROOTCMD ?= 'fakeroot -u'
PHONY += deb-pkg srcdeb-pkg bindeb-pkg
deb-pkg: private build-type := source,binary
srcdeb-pkg: private build-type := source
bindeb-pkg: private build-type := binary
deb-pkg srcdeb-pkg: debian-orig
bindeb-pkg: debian
deb-pkg srcdeb-pkg bindeb-pkg:
+$(strip dpkg-buildpackage \
--build=$(build-type) --no-pre-clean --unsigned-changes \
$(if $(findstring source, $(build-type)), \
--unsigned-source --compression=$(KDEB_SOURCE_COMPRESS)) \
$(if $(findstring binary, $(build-type)), \
--rules-file='$(MAKE) -f debian/rules' --jobs=1 -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch), \
--no-check-builddeps) \
$(DPKG_FLAGS))
# snap-pkg
# ---------------------------------------------------------------------------
PHONY += snap-pkg
snap-pkg:
rm -rf $(objtree)/snap
mkdir $(objtree)/snap
$(MAKE) clean
$(call cmd,src_tar,$(KERNELPATH))
sed "s@KERNELRELEASE@$(KERNELRELEASE)@; \
s@SRCTREE@$(shell realpath $(KERNELPATH).tar.gz)@" \
$(srctree)/scripts/package/snapcraft.template > \
$(objtree)/snap/snapcraft.yaml
cd $(objtree)/snap && \
snapcraft --target-arch=$(UTS_MACHINE)
# dir-pkg tar*-pkg - tarball targets
# ---------------------------------------------------------------------------
tar-install: FORCE
$(Q)$(MAKE) -f $(srctree)/Makefile
+$(Q)$(srctree)/scripts/package/buildtar $@
compress-tar.gz = -I "$(KGZIP)"
compress-tar.bz2 = -I "$(KBZIP2)"
compress-tar.xz = -I "$(XZ)"
compress-tar.zst = -I "$(ZSTD)"
quiet_cmd_tar = TAR $@
cmd_tar = cd $<; tar cf ../$@ $(compress-tar$(suffix $@)) --owner=root --group=root --sort=name *
dir-tarballs := $(addprefix linux-$(KERNELRELEASE)-$(ARCH), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
$(dir-tarballs): tar-install
$(call cmd,tar)
PHONY += dir-pkg
dir-pkg: tar-install
@echo "Kernel tree successfully created in $<"
PHONY += tar-pkg
tar-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar
@:
tar%-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar.% FORCE
@:
# perf-tar*-src-pkg - generate a source tarball with perf source
# ---------------------------------------------------------------------------
.tmp_perf:
$(Q)mkdir .tmp_perf
.tmp_perf/HEAD: .tmp_HEAD | .tmp_perf
$(call cmd,copy)
quiet_cmd_perf_version_file = GEN $@
cmd_perf_version_file = cd $(srctree)/tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@))
# PERF-VERSION-FILE and .tmp_HEAD are independent, but this avoids updating the
# timestamp of PERF-VERSION-FILE.
# The best is to fix tools/perf/util/PERF-VERSION-GEN.
.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)/tools/perf/util/PERF-VERSION-GEN | .tmp_perf
$(call cmd,perf_version_file)
perf-archive-args = --add-file=$$(realpath $(word 2, $^)) \
--add-file=$$(realpath $(word 3, $^)) \
$$(cat $(word 2, $^))^{tree} $$(cat $<)
perf-tarballs := $(addprefix perf-$(KERNELVERSION), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
targets += $(perf-tarballs)
$(perf-tarballs): archive-args = --prefix=perf-$(KERNELVERSION)/ $(perf-archive-args)
$(perf-tarballs): tools/perf/MANIFEST .tmp_perf/HEAD .tmp_perf/PERF-VERSION-FILE FORCE
$(call if_changed,archive)
PHONY += perf-tar-src-pkg
perf-tar-src-pkg: perf-$(KERNELVERSION).tar
@:
perf-tar%-src-pkg: perf-$(KERNELVERSION).tar.% FORCE
@:
# Help text displayed when executing 'make help'
# ---------------------------------------------------------------------------
PHONY += help
help:
@echo ' rpm-pkg - Build both source and binary RPM kernel packages'
@echo ' srcrpm-pkg - Build only the source kernel RPM package'
@echo ' binrpm-pkg - Build only the binary kernel RPM package'
@echo ' deb-pkg - Build both source and binary deb kernel packages'
@echo ' srcdeb-pkg - Build only the source kernel deb package'
@echo ' bindeb-pkg - Build only the binary kernel deb package'
@echo ' snap-pkg - Build only the binary kernel snap package'
@echo ' (will connect to external hosts)'
@echo ' dir-pkg - Build the kernel as a plain directory structure'
@echo ' tar-pkg - Build the kernel as an uncompressed tarball'
@echo ' targz-pkg - Build the kernel as a gzip compressed tarball'
@echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball'
@echo ' tarxz-pkg - Build the kernel as a xz compressed tarball'
@echo ' tarzst-pkg - Build the kernel as a zstd compressed tarball'
@echo ' perf-tar-src-pkg - Build the perf source tarball with no compression'
@echo ' perf-targz-src-pkg - Build the perf source tarball with gzip compression'
@echo ' perf-tarbz2-src-pkg - Build the perf source tarball with bz2 compression'
@echo ' perf-tarxz-src-pkg - Build the perf source tarball with xz compression'
@echo ' perf-tarzst-src-pkg - Build the perf source tarball with zst compression'
PHONY += FORCE
FORCE:
# Read all saved command lines and dependencies for the $(targets) we
# may be building above, using $(if_changed{,_dep}). As an
# optimization, we don't need to read them if the target does not
# exist, we will rebuild anyway in that case.
existing-targets := $(wildcard $(sort $(targets)))
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
.PHONY: $(PHONY)
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