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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/dist/Makefile

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Makefile
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# SPDX-License-Identifier: GPL-2.0
#
# A simple and clean build system initially inspired by Fedora ARK Kernel and Tencent Linux Kernel public.
#
TOPDIR := $(shell git rev-parse --show-toplevel)
ifeq ("$(TOPDIR)", "")
TOPDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/..)
endif
DISTPATH = dist
DISTDIR := $(TOPDIR)/$(DISTPATH)
ifeq ("$(abspath $(DISTDIR)/Makefile)", "$(lastword $(MAKEFILE_LIST))")
$(error Can't detect Makefile, aborting)
endif
### Downstream marker, update this when forking to another downstream
KDIST = tlinux4
### Vendor mark
VENDOR = tencent
VENDOR_CAPITALIZED = Tencent
URL = https://git.woa.com/tlinux/tkernel4
### Get native arch for binary build by default
NATIVE_ARCH := $(shell uname -m | sed -e 's/amd64/x86_64/;s/arm64/aarch64/;s/*86$$/x86/')
###### Build parameters, change them with `make <PARAM>=<VALUE>` ######
# When building binary package, which arch to build against
ARCH := $(NATIVE_ARCH)
# ARCH to be covered by spec file
SPEC_ARCH := x86_64 aarch64
# Which kernel config to use, this build system supports multiple config targets,
# Get the available config by scripts/ls-config.sh
CONFIG := generic-release
# Build a specific tag/commit with `make TAG=<tag>` or `make COMMIT=<commit>`
TAG := $(COMMIT)
# Extra RPM flags
RPMFLAGS :=
####### Build parameters end ######
### Basic variables
DISTCONFIGDIR = $(DISTDIR)/configs
DISTWORKDIR = $(DISTDIR)/workdir
DISTTEMPLATES = $(wildcard $(DISTDIR)/templates/*)
DISTCONFIGS = $(shell find $(DISTDIR)/configs)
DISTSCRIPTS = $(wildcard $(DISTDIR)/scripts/*)
DISTSOURCES = $(wildcard $(DISTDIR)/sources/*)
DISTKABIS = $(wildcard $(DISTDIR)/kabi/*)
DISTFILES = $(DISTDIR) $(DISTTEMPLATES) $(DISTCONFIGS) $(DISTSCRIPTS) $(DISTSOURCES) $(DISTKABIS)
### Force unify arch name, so Kbuild, and other Makefiles can work seamlessly
# BUILD_ARCH is for RPM, Dist make
BUILD_ARCH := $(ARCH)
override BUILD_ARCH := $(shell echo $(BUILD_ARCH) | sed -e 's/amd64/x86_64/;s/arm64/aarch64/;s/*86$$/x86/')
# ARCH is for Kbuild
override ARCH := $(shell echo $(BUILD_ARCH) | sed -e 's/amd64/x86_64/;s/aarch64/arm64/;s/*86$$/x86/')
### Check if TAG is valid
TAG := HEAD
# If COMMIT is specified, this line won't take effect
COMMIT := $(shell git rev-parse --verify --quiet $(TAG))
ifeq ($(COMMIT),)
$(error Invalid git reference, tag '$(TAG)' commit '$(COMMIT)', aborting)
endif
# Prefer using TAG, if not set, use COMMIT
TAG := $(COMMIT)
GITREF := $(TAG)
### RPM dir and workdir
RPM_TOPDIR := $(DISTDIR)/rpm
RPM_BUILDDIR := $(RPM_TOPDIR)/BUILD
RPM_RPMDIR := $(RPM_TOPDIR)/RPMS
RPM_SOURCEDIR := $(RPM_TOPDIR)/SOURCES
RPM_SPECDIR := $(RPM_TOPDIR)/SPECS
RPM_SRCRPMDIR := $(RPM_TOPDIR)/SRPMS
RPM_BUILDROOTDIR := $(RPM_TOPDIR)/BUILDROOT
WORKDIRS = $(DISTWORKDIR) $(RPM_TOPDIR) $(RPM_BUILDDIR) $(RPM_RPMDIR) $(RPM_SOURCEDIR) $(RPM_SPECDIR) $(RPM_SRCRPMDIR) $(RPM_BUILDROOTDIR)
# Prepare workdir and variables for dist scripts
$(shell mkdir -p $(WORKDIRS); \
{ \
echo "KDIST=$(KDIST)"; \
echo "VENDOR=$(VENDOR)"; \
echo "VENDOR_CAPITALIZED=$(VENDOR_CAPITALIZED)"; \
echo "URL=$(URL)"; \
} > $(DISTPATH)/.distenv \
)
### Build files
KFULLVER := $(shell $(DISTDIR)/scripts/get-version.sh $(GITREF) vr)
CONFIGFILE := $(shell $(DISTDIR)/scripts/ls-config-files.sh $(CONFIG))
SPECFILE = $(RPM_SOURCEDIR)/kernel.spec
TARFILE = $(RPM_SOURCEDIR)/kernel-$(KFULLVER).tar.gz
TESTPATCH = $(RPM_SOURCEDIR)/linux-kernel-test.patch
ifeq ($(CONFIGFILE),)
$(error Invalid CONFIG value '$(CONFIG)', no matching config target found)
endif
### RPM build options
# All params enabled by default (except kABI check, see below), ENABLED overrides DEFAULT_DISABLE.
DISABLED = $(DEFAULT_DISABLED)
ENABLED = $(DEFAULT_ENABLED)
# Automatically disable non core package for non standard build, such as eks/cloudgame
ifneq ($(CONFIG),generic-release)
override DISABLED := ofed $(DISABLED)
endif
# generic-debug only build kernel rpm, disable other rpms
ifeq ($(CONFIG),generic-debug)
override DISABLED := bpftool perf tools headers keypkg doc $(DISABLED)
endif
## A few shortcut for commonly used params:
# Disable KABI check by default
KABI=0
ifeq ($(KABI), 0)
override DISABLED := kabichk $(DISABLED)
endif
# Enabled module sign by default
MODSIGN=1
ifeq ($(MODSIGN), 0)
override DISABLED := modsign $(DISABLED)
endif
# Disable private key pkg by default
KEYPKG=0
ifeq ($(KEYPKG), 0)
override DISABLED := keypkg $(DISABLED)
endif
# Allow to skip RPM dependency check
NODEP=0
ifeq ($(NODEP), 1)
override RPMFLAGS := --nodeps $(RPMFLAGS)
endif
# Crossbuild
ifneq ($(BUILD_ARCH),$(NATIVE_ARCH))
RPMCROSSFLAGS = --with crossbuild --target $(BUILD_ARCH) --define "_cross_compile $(BUILD_ARCH)-linux-gnu-"
else
RPMCROSSFLAGS = --without crossbuild
endif
# For re-distribute to another distro
ifneq ($(DIST),)
override RPMFLAGS := --define "dist .$(DIST)" $(RPMFLAGS)
$(info "NOTE: DIST is set, building for another distro $(DIST)")
$(info " You shoudn't do this unless you know what you are doing.")
endif
default: dist-help
$(TARFILE):
@echo "Generating kernel source tar: $(TARFILE)"
@cd $(TOPDIR); git archive $(GITREF) $(TOPDIR) --format=tar.gz --prefix=kernel-$(KFULLVER)/ --output $(TARFILE)
dist-tarball: $(TARFILE)
@echo "$(TARFILE)"
$(CONFIGFILE): $(DISTFILES)
@echo "Generating kernel config style '$(CONFIG)'"
@$(DISTDIR)/scripts/gen-configs.sh "$(CONFIG)" "$(GITREF)"
dist-configs: $(CONFIGFILE)
dist-config: dist-configs
rm -f $(TOPDIR)/.config
cp $(RPM_SOURCEDIR)/$(CONFIG).$(BUILD_ARCH).config $(TOPDIR)/.config
@printf "\033[0;32mDefault kernel config copied as $(TOPDIR)/.config\033[0m\n"
# TODO: Build from a unclean tree is not working yet
# which can't be detected by make.
# $(TESTPATCH): always-rebuild
# @git diff --no-renames HEAD -- ":(exclude)$(DISTDIR)" > $(TESTPATCH)
# @[ -s "$(TESTPATCH)" ] && echo "Building from a unclean tree" || :
# TODO: Remove always-rebuild - currently these targets depend on git worktree or variables,
.PHONY: always-rebuild
$(SPECFILE): always-rebuild dist-configs
@echo "Generating kernel RPM spec: $(SPECFILE)"
@$(DISTDIR)/scripts/gen-spec.sh \
--gitref "$(GITREF)" \
--build-arch "$(SRPM_ARCH)" \
--kernel-config "$(CONFIG)" \
--set-default-disabled "$(DISABLED)" \
--set-default-enabled "$(ENABLED)" \
> $(SPECFILE)
@grep -A2 "# == Package options ==" $(SPECFILE) | cut -c3-
dist-specfile: $(SPECFILE)
@echo "$(SPECFILE)"
dist-sources: dist-configs $(TARFILE) $(DISTSOURCES) $(DISTKABIS) $(SPECFILE)
@cp $(DISTSOURCES) $(DISTKABIS) $(RPM_SOURCEDIR)
# TK4-UNAME-R: Due to historical reason we don't want to touch TK4's uname style yet,
# so the uname-r parsing below looks different from TKS.
define DO_RPMBUILD
@echo "=== DISTBUILD ==="
@echo "Building kernel: $(shell rpmspec -q --qf "%{name}-%{version}-%{release}\n" --srpm $(SPECFILE))"
@echo "Kernel uname-r: $(shell grep 'define kernel_unamer' $(SPECFILE) | awk '{print $$NF}')"
@echo "Config style: $(CONFIG)"
@echo "RPM build flags: $(1)"
@echo "=== RPMBULID ==="
rpmbuild \
--define '_topdir $(RPM_TOPDIR)' \
--define '_builddir $(RPM_BUILDDIR)' \
--define '_rpmdir $(RPM_RPMDIR)' \
--define '_sourcedir $(RPM_SOURCEDIR)' \
--define '_specdir $(RPM_SPECDIR)' \
--define '_srcrpmdir $(RPM_SRCRPMDIR)' \
--define '_buildrootdir $(RPM_BUILDROOTDIR)' \
$(SPECFILE) $(1)
endef
dist-srpm: dist-sources
$(call DO_RPMBUILD,-bs --nodeps --rmsource --rmspec $(RPMFLAGS))
dist: dist-rpm
dist-rpms: dist-rpm
dist-rpm: dist-sources
$(call DO_RPMBUILD,-bb $(RPMCROSSFLAGS) --rmsource --rmspec $(RPMFLAGS))
dist-prep: dist-sources
$(call DO_RPMBUILD,-bp --nodeps $(RPMCROSSFLAGS) $(RPMFLAGS))
dist-new-release: dist-new-maj-release
dist-new-maj-release:
@$(DISTDIR)/scripts/make-release.sh --maj-release
dist-new-sub-release:
@$(DISTDIR)/scripts/make-release.sh --sub-release
dist-clean:
@for i in $(RPM_TOPDIR)/* $(DISTWORKDIR); do \
echo Cleaning up $$i; \
rm -rf $$i/*; \
rm -rf $$i/.* 2>/dev/null; \
done; :;
BUILDDEPS=$(shell rpmspec -q --buildrequires $(SPECFILE) | cut -d ' ' -f 1)
MISSINGDEPS=$(shell echo "$(BUILDDEPS)" | xargs -n1 echo | while read -r _d; do rpm -q --whatprovides "$$_d" >/dev/null || echo "$$_d"; done)
dist-check-buildrequires: dist-specfile
@if [ -n "$(MISSINGDEPS)" ]; then \
echo "Error: Build dependency packages missing, please install: $(MISSINGDEPS)"; \
echo "Hint: You can try run \`make dist-install-buildrequires\` to fix this."; \
exit 1; \
fi;
dist-install-buildrequires: dist-specfile
@if [ -n "$(MISSINGDEPS)" ]; then \
echo "Installing kernel build dependency '$(MISSINGDEPS)' using yum..."; \
echo "Missing dependency packages: '$(MISSINGDEPS)...'"; \
if [ -x /usr/bin/yum ]; then \
echo "Trying to install..."; \
echo "$(MISSINGDEPS)" | sudo xargs yum install -y && exit 0; \
else \
echo "Yum is not available for current user."; \
fi; \
echo "Error: Intallation failed."; \
exit 1; \
fi
dist-check-requires: dist-check-buildrequires
@if [ ! -x /usr/bin/python3 ]; then \
echo "ERROR: Python 3 is required." ; \
exit 1; \
fi
@if [ ! -x /usr/bin/git ]; then \
echo "ERROR: Git is required." ; \
exit 1; \
fi
dist-format-config:
@$(DISTDIR)/scripts/format-configs.sh
dist-format-configs: dist-format-config
dist-check-new-config:
@echo "Checking for unset Kconfig..."
@$(DISTDIR)/scripts/check-configs.sh check-new-configs $(CONFIG)
dist-check-new-configs: dist-check-new-config
dist-fix-new-config:
@echo "Fixing unset Kconfig issue..."
@$(DISTDIR)/scripts/check-configs.sh check-new-configs --autofix $(CONFIG)
dist-fix-new-configs: dist-fix-new-config
dist-check-dup-config:
@echo "Checking for duplicated Kconfig..."
@$(DISTDIR)/scripts/check-configs.sh check-dup-configs $(CONFIG)
dist-check-dup-configs: dist-check-dup-config
dist-fix-dup-config:
@echo "Fixing duplicated Kconfig issue..."
@$(DISTDIR)/scripts/check-configs.sh check-dup-configs --autofix $(CONFIG)
dist-fix-dup-configs: dist-fix-dup-config
dist-check-diff-config:
@echo "Checking for duplicated Kconfig..."
@$(DISTDIR)/scripts/check-configs.sh check-diff-configs $(CONFIG)
dist-check-diff-configs: dist-check-diff-config
dist-check-config: dist-check-new-config dist-check-dup-config dist-check-diff-config
dist-check-configs: dist-check-config
dist-check-commit:
@echo "Checking for new commits..."
@$(DISTDIR)/scripts/check-commits.sh
dist-check-commits: dist-check-commit
dist-check-tag:
@echo "Checking tag of '$(TAG)' ..."
@$(DISTDIR)/scripts/check-tag.sh '$(TAG)'
dist-check-kabi: dist-sources
@echo "Checking kABI for $(BUILD_ARCH)..."
$(call DO_RPMBUILD,-bi $(RPMCROSSFLAGS) \
--without doc --without headers --without perf --without tools --without bpftool \
--without debuginfo --without selftest \
--with kabichk \
)
dist-update-kabi: KABI_WORKDIR:=$(shell mktemp -d $(DISTWORKDIR)/kabi.XXXX)
dist-update-kabi: RPM_BUILDDIR:=$(KABI_WORKDIR)
dist-update-kabi: dist-sources dist-check-buildrequires
@echo "Updating kABI for $(BUILD_ARCH)..."
$(call DO_RPMBUILD,-bc $(RPMCROSSFLAGS) \
--without doc --without headers --without perf --without tools --without bpftool \
--without debuginfo --without selftest --without kabichk \
)
MODSYM=$$(find $(KABI_WORKDIR) -maxdepth 3 -type f -name 'Module.symvers'); \
if [ -f "$$MODSYM" ]; then \
echo "Using $$MODSYM as kABI reference file."; \
$(DISTDIR)/scripts/helper/update-kabi.sh \
$(DISTDIR)/kabi/Module.kabi_$(BUILD_ARCH) $$MODSYM > $(KABI_WORKDIR)/Module.kabi.updated; \
cp $(KABI_WORKDIR)/Module.kabi.updated $(DISTDIR)/kabi/Module.kabi_$(BUILD_ARCH); \
else \
echo "Failed to find Module.symvers."; \
exit 1; \
fi
# Do a fast check
dist-check: dist-check-commit dist-check-new-config
dist-help:
@echo 'This helps you to manage, release, and develop $(VENDOR_CAPITALIZED) Linux kernel.'
@echo 'Use below make targets as sub-command:'
@echo
@echo 'NOTE: Before you submit any patch, please see the "Sanity check" targets and at lease run:'
@echo '`make dist-check`'
@echo 'And ensure there is no error.'
@echo
@echo 'For building a kernel RPM distrobution package:'
@echo ' dist, dist-rpms - Alias to dist-rpm.'
@echo ' dist-rpm - Create the binary RPMS for the kernel and put it under:'
@echo ' $(RPM_RPMDIR)'
@echo ' dist-srpm - Create a source RPM and put it under:'
@echo ' $(RPM_SRCRPMDIR)'
@echo ' dist-prep - Prep the kernel dist build source code under:'
@echo ' $(RPM_BUILDDIR)'
@echo
@echo 'Available params (most of these params are usable for all sub-commands besides dist-rpm/dist-srpm):'
@echo ' ARCH="$(ARCH)"'
@echo ' Target ARCH used for binary/RPM build.'
@echo ' SPEC_ARCH="$(SPEC_ARCH)"'
@echo ' Targer ARCH coverted by spec/SRPM build.'
@echo ' TAG="$(TAG)" (or COMMIT="$(COMMIT)")'
@echo ' Specify a git tag or commit, and this Makefile will build the kernel from that version.'
@echo ' RPMFLAGS="$(RPMFLAGS)"'
@echo ' Extra RPM flags to be passed to rpmbuild for RPM bulding related commands.'
@echo ' CONFIG="$(CONFIG)"'
@echo ' Which kernel config to use, $(VENDOR_CAPITALIZED) build system supports multiple config targets,'
@echo ' Avaiable targets:'
@$(DISTDIR)/scripts/ls-config-targets.sh | xargs -n3 printf " %s %s %s\n"
@echo
@echo 'To make a new kernel version release:'
@echo ' dist-new-release - Update changelog, increase release number and tag a new commit properly.'
@echo ' dist-new-sub-release - Same as dist-new-release but increase the sub release number (eg. 5.18.0-1, 5.18.0-1.1, 5.18.0-1.2, ...).'
@echo
@echo 'Build prepare:'
@echo ' dist-check-requires - Check build time and dist targets package dependency.'
@echo ' dist-check-buildrequires - Check build time package dependency.'
@echo ' dist-install-buildrequires - Check and automatically install build time dependency, requires root.'
@echo
@echo 'Sanity check:'
@echo ' dist-check-commit - Check commit message and patch.'
@printf " \033[1;33m* Please at least ensure this check doesn't raise any error before submitting a patch.\033[0m\n"
@echo ' dist-check-diff-config - Check for invalid configs. If a CONFIG_XXX=y is set in config file but gone after make oldconfig,'
@echo ' it it considered a invalid config. There are many potential resons causing this, changed or missing'
@echo ' config dependency, deprecated config, auto-select configs, this tool will also provide some hint.'
@echo ' dist-check-dup-config - Check for duplicated configs, '
@echo ' dist-check-new-config - Check for unset configs. If any config is not set, kbuild will prompt during built time.'
@echo ' This helper will check for unset configs so you can set them properly in predefined config file.'
@echo 'Code clean up:'
@echo ' dist-fix-new-config - Same as dist-check-new-configs but automatically set unset configs to its default value and'
@echo ' update config files.'
@echo ' dist-fix-dup-config - Automatically remove duplicated configs.'
@echo " dist-format-config - Sort and simplify the base config files, won\'t change the final config output."
@printf ' \033[1;33m* Please run this before submitting any config change.\033[0m\n'
@echo ' dist-clean - Clean up directories under:'
@echo ' $(DISTDIR)'
@echo
@echo 'Configuration targets:'
@echo ' dist-configs - Generate dist config files, using config matrix in:'
@echo ' $(DISTDIR)/config/'
@echo ' dist-config - Generate config, and override .config file with the config corresponding'
@echo ' to arch $(BUILD_ARCH)'
@echo
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