mirror of
https://github.com/torvalds/linux.git
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2a9c8c0b59
Add a new package target to build a cpio archive containing the kernel modules. This is particularly useful to supplement an existing initramfs with the kernel modules so that the root filesystem can be started with all needed kernel modules without modifying it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Co-developed-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nicolas Schier <nsc@kernel.org> Link: https://patch.msgid.link/20251125-cpio-modules-pkg-v2-2-aa8277d89682@pengutronix.de Signed-off-by: Nicolas Schier <nsc@kernel.org>
287 lines
9.9 KiB
Makefile
287 lines
9.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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# Makefile for the different targets used to generate full packages of a kernel
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include $(srctree)/scripts/Kbuild.include
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include $(srctree)/scripts/Makefile.lib
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# Git
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# ---------------------------------------------------------------------------
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filechk_HEAD = git -C $(srctree) rev-parse --verify HEAD 2>/dev/null
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.tmp_HEAD: check-git FORCE
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$(call filechk,HEAD)
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PHONY += check-git
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check-git:
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@if ! $(srctree)/scripts/check-git; then \
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echo >&2 "error: creating source package requires git repository"; \
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false; \
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fi
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git-config-tar.gz = -c tar.tar.gz.command="$(KGZIP)"
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git-config-tar.bz2 = -c tar.tar.bz2.command="$(KBZIP2)"
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git-config-tar.lzma = -c tar.tar.lzma.command="$(LZMA)"
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git-config-tar.xz = -c tar.tar.xz.command="$(XZ)"
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git-config-tar.zst = -c tar.tar.zst.command="$(ZSTD)"
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quiet_cmd_archive = ARCHIVE $@
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cmd_archive = git -C $(srctree) $(git-config-tar$(suffix $@)) archive \
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--output=$$(realpath $@) $(archive-args)
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suffix-gzip := .gz
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suffix-bzip2 := .bz2
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suffix-lzma := .lzma
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suffix-xz := .xz
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# Linux source tarball
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# ---------------------------------------------------------------------------
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linux-tarballs := $(addprefix linux, .tar.gz .tar.bz2 .tar.lzma .tar.xz)
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targets += $(linux-tarballs)
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$(linux-tarballs): archive-args = --prefix=linux/ $$(cat $<)
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$(linux-tarballs): .tmp_HEAD FORCE
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$(call if_changed,archive)
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# rpm-pkg srcrpm-pkg binrpm-pkg
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# ---------------------------------------------------------------------------
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quiet_cmd_mkspec = GEN $@
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cmd_mkspec = $(srctree)/scripts/package/mkspec $@
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rpmbuild/SPECS/kernel.spec: FORCE
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$(call cmd,mkspec)
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PHONY += rpm-sources
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rpm-sources: linux.tar.gz
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$(Q)mkdir -p rpmbuild/SOURCES
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$(Q)ln -f linux.tar.gz rpmbuild/SOURCES/linux.tar.gz
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$(Q)cp $(KCONFIG_CONFIG) rpmbuild/SOURCES/config
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$(Q)$(srctree)/scripts/package/gen-diff-patch rpmbuild/SOURCES/diff.patch
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PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
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ifneq ($(CC),$(HOSTCC))
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rpm-no-devel = --without=devel
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endif
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rpm-pkg: private build-type := a
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srcrpm-pkg: private build-type := s
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binrpm-pkg: private build-type := b
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rpm-pkg srcrpm-pkg: rpm-sources
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rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
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+$(strip rpmbuild -b$(build-type) rpmbuild/SPECS/kernel.spec \
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--define='_topdir $(abspath rpmbuild)' \
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$(if $(filter a b, $(build-type)), \
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--target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
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$$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps) \
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$(rpm-no-devel)) \
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$(RPMOPTS))
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# deb-pkg srcdeb-pkg bindeb-pkg
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# ---------------------------------------------------------------------------
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KDEB_SOURCE_COMPRESS ?= gzip
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supported-deb-source-compress := gzip bzip2 lzma xz
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PHONY += linux.tar.unsupported-deb-src-compress
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linux.tar.unsupported-deb-src-compress:
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@echo "error: KDEB_SOURCE_COMPRESS=$(KDEB_SOURCE_COMPRESS) is not supported. The supported values are: $(supported-deb-source-compress)" >&2
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@false
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debian-orig-suffix := \
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$(strip $(if $(filter $(supported-deb-source-compress), $(KDEB_SOURCE_COMPRESS)), \
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$(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress))
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quiet_cmd_debianize = GEN $@
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cmd_debianize = $(srctree)/scripts/package/mkdebian $(mkdebian-opts)
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debian: FORCE
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$(call cmd,debianize)
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PHONY += debian-orig
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debian-orig: private source = $(shell dpkg-parsechangelog -S Source)
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debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-[^-]*$$//')
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debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix)
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debian-orig: mkdebian-opts = --need-source
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debian-orig: linux.tar$(debian-orig-suffix) debian
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$(Q)if [ "$$(df --output=target .. 2>/dev/null)" = "$$(df --output=target $< 2>/dev/null)" ]; then \
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ln -f $< ../$(orig-name); \
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else \
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cp $< ../$(orig-name); \
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fi
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PHONY += deb-pkg srcdeb-pkg bindeb-pkg
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deb-pkg: private build-type := source,binary
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srcdeb-pkg: private build-type := source
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bindeb-pkg: private build-type := binary
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deb-pkg srcdeb-pkg: debian-orig
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bindeb-pkg: debian
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deb-pkg srcdeb-pkg bindeb-pkg:
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+$(strip dpkg-buildpackage \
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--build=$(build-type) --no-pre-clean --unsigned-changes \
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$(if $(findstring source, $(build-type)), \
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--unsigned-source --compression=$(KDEB_SOURCE_COMPRESS)) \
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$(if $(findstring binary, $(build-type)), \
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-R'$(MAKE) -f debian/rules' -j1 -a$$(cat debian/arch), \
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--no-check-builddeps) \
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$(DPKG_FLAGS))
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# snap-pkg
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# ---------------------------------------------------------------------------
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PHONY += snap-pkg
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snap-pkg:
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rm -rf $(objtree)/snap
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mkdir $(objtree)/snap
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$(MAKE) clean
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sed "s@KERNELRELEASE@$(KERNELRELEASE)@; \
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s@SRCTREE@$(realpath $(srctree))@" \
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$(srctree)/scripts/package/snapcraft.template > \
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$(objtree)/snap/snapcraft.yaml
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cd $(objtree)/snap && \
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snapcraft --target-arch=$(UTS_MACHINE)
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# pacman-pkg
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# ---------------------------------------------------------------------------
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PHONY += pacman-pkg
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pacman-pkg:
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@ln -srf $(srctree)/scripts/package/PKGBUILD $(objtree)/PKGBUILD
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+BUILDDIR="$(realpath $(objtree))/pacman" \
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CARCH="$(UTS_MACHINE)" \
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KBUILD_MAKEFLAGS="$(MAKEFLAGS)" \
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KBUILD_REVISION="$(shell $(srctree)/scripts/build-version)" \
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makepkg $(MAKEPKGOPTS)
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# dir-pkg tar*-pkg - tarball targets
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# ---------------------------------------------------------------------------
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tar-install: FORCE
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$(Q)$(MAKE) -f $(srctree)/Makefile
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+$(Q)$(srctree)/scripts/package/buildtar $@
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compress-tar.gz = -I "$(KGZIP)"
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compress-tar.bz2 = -I "$(KBZIP2)"
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compress-tar.xz = -I "$(XZ)"
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compress-tar.zst = -I "$(ZSTD)"
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quiet_cmd_tar = TAR $@
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cmd_tar = cd $<; tar cf ../$@ $(compress-tar$(suffix $@)) --owner=root --group=root --sort=name *
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dir-tarballs := $(addprefix linux-$(KERNELRELEASE)-$(ARCH), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
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$(dir-tarballs): tar-install
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$(call cmd,tar)
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PHONY += dir-pkg
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dir-pkg: tar-install
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@echo "Kernel tree successfully created in $<"
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PHONY += tar-pkg
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tar-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar
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@:
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tar%-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar.% FORCE
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@:
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# modules-cpio-pkg - generate an initramfs with the modules
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# ---------------------------------------------------------------------------
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.tmp_modules_cpio: FORCE
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$(Q)$(MAKE) -f $(srctree)/Makefile
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$(Q)rm -rf $@
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$(Q)$(MAKE) -f $(srctree)/Makefile INSTALL_MOD_PATH=$@ modules_install
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quiet_cmd_cpio = CPIO $@
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cmd_cpio = $(CONFIG_SHELL) $(srctree)/usr/gen_initramfs.sh -o $@ $<
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modules-$(KERNELRELEASE)-$(ARCH).cpio: .tmp_modules_cpio
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$(Q)$(MAKE) $(build)=usr usr/gen_init_cpio
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$(call cmd,cpio)
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PHONY += modules-cpio-pkg
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modules-cpio-pkg: modules-$(KERNELRELEASE)-$(ARCH).cpio
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@:
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# perf-tar*-src-pkg - generate a source tarball with perf source
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# ---------------------------------------------------------------------------
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.tmp_perf:
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$(Q)mkdir .tmp_perf
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.tmp_perf/HEAD: .tmp_HEAD | .tmp_perf
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$(call cmd,copy)
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quiet_cmd_perf_version_file = GEN $@
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cmd_perf_version_file = cd $(srctree)/tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@))
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# PERF-VERSION-FILE and .tmp_HEAD are independent, but this avoids updating the
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# timestamp of PERF-VERSION-FILE.
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# The best is to fix tools/perf/util/PERF-VERSION-GEN.
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.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)/tools/perf/util/PERF-VERSION-GEN | .tmp_perf
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$(call cmd,perf_version_file)
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perf-archive-args = --add-file=$$(realpath $(word 2, $^)) \
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--add-file=$$(realpath $(word 3, $^)) \
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$$(cat $(word 2, $^))^{tree} $$(cat $<)
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perf-tarballs := $(addprefix perf-$(KERNELVERSION), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
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targets += $(perf-tarballs)
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$(perf-tarballs): archive-args = --prefix=perf-$(KERNELVERSION)/ $(perf-archive-args)
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$(perf-tarballs): tools/perf/MANIFEST .tmp_perf/HEAD .tmp_perf/PERF-VERSION-FILE FORCE
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$(call if_changed,archive)
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PHONY += perf-tar-src-pkg
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perf-tar-src-pkg: perf-$(KERNELVERSION).tar
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@:
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perf-tar%-src-pkg: perf-$(KERNELVERSION).tar.% FORCE
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@:
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# Help text displayed when executing 'make help'
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# ---------------------------------------------------------------------------
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PHONY += help
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help:
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@echo ' rpm-pkg - Build both source and binary RPM kernel packages'
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@echo ' srcrpm-pkg - Build only the source kernel RPM package'
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@echo ' binrpm-pkg - Build only the binary kernel RPM package'
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@echo ' deb-pkg - Build both source and binary deb kernel packages'
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@echo ' srcdeb-pkg - Build only the source kernel deb package'
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@echo ' bindeb-pkg - Build only the binary kernel deb package'
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@echo ' snap-pkg - Build only the binary kernel snap package'
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@echo ' (will connect to external hosts)'
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@echo ' pacman-pkg - Build only the binary kernel pacman package'
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@echo ' dir-pkg - Build the kernel as a plain directory structure'
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@echo ' tar-pkg - Build the kernel as an uncompressed tarball'
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@echo ' targz-pkg - Build the kernel as a gzip compressed tarball'
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@echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball'
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@echo ' tarxz-pkg - Build the kernel as a xz compressed tarball'
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@echo ' tarzst-pkg - Build the kernel as a zstd compressed tarball'
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@echo ' modules-cpio-pkg - Build the kernel modules as cpio archive'
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@echo ' perf-tar-src-pkg - Build the perf source tarball with no compression'
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@echo ' perf-targz-src-pkg - Build the perf source tarball with gzip compression'
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@echo ' perf-tarbz2-src-pkg - Build the perf source tarball with bz2 compression'
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@echo ' perf-tarxz-src-pkg - Build the perf source tarball with xz compression'
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@echo ' perf-tarzst-src-pkg - Build the perf source tarball with zst compression'
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PHONY += FORCE
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FORCE:
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# Read all saved command lines and dependencies for the $(targets) we
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# may be building above, using $(if_changed{,_dep}). As an
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# optimization, we don't need to read them if the target does not
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# exist, we will rebuild anyway in that case.
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existing-targets := $(wildcard $(sort $(targets)))
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-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
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.PHONY: $(PHONY)
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