#
# This Makefile executes the unpack/build/binary targets for a single
# subarch, which is passed in the subarch variable. Empty subarch
# variable means that we are building for an arch without the subarch.
# Additionally, variables version, abiname and ltver are
# expected to be available (need to be exported from the parent process).
#

include /usr/share/dpkg/default.mk

SHELL  := bash -e
MAINTAINER := $(shell sed -ne 's,^Maintainer: .[^<]*<\([^>]*\)>,\1,p' debian/control)
SOURCE_DATE_UTC_ISO := $(shell date -u -d '@$(SOURCE_DATE_EPOCH)' +%Y-%m-%d)

include debian/rules.defs

ifdef ARCH
  ifneq ($(DEB_HOST_ARCH),$(ARCH))
    $(error Attempting to build a $(ARCH) target but host architecture is $(DEB_HOST_ARCH).  Use dpkg-architecture to override the host architecture)
  endif
endif

export CROSS_COMPILE := $(or $(KERNEL_GNU_TYPE),$(DEB_HOST_GNU_TYPE))-

export DH_OPTIONS
export DEB_HOST_ARCH DEB_HOST_GNU_TYPE DEB_BUILD_ARCH
# for dpkg-buildflags
export DEB_BUILD_PATH = $(CURDIR)
export DEB_RULES_REQUIRES_ROOT ?= no

# Set LANG rather than LC_ALL because upstream wants to override
# specific categories and may undefine LC_ALL.  To ensure that the
# build environment does not affect our locale, undefine all other
# locale variables.
export LANG = C.UTF-8
$(foreach var,LC_ALL LANGUAGE LC_ADDRESS LC_COLLATE LC_CTYPE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE LC_TIME,$(eval undefine $(var)))

stamp = [ -d $(dir $@) ] || mkdir $(dir $@); touch $@

setup_env := env -u ABINAME -u ARCH -u FEATURESET -u FLAVOUR -u UPSTREAMVERSION -u LOCALVERSION
# XXX: All the tools leak flags between host and build all the time, just don't care.  See #1050991.
setup_env += -u KBUILD_HOSTCFLAGS -u HOSTCFLAGS -u KBUILD_HOSTLDFLAGS
setup_env += DISTRIBUTION_OFFICIAL_BUILD=1 DISTRIBUTOR="$(DEB_VENDOR)" DISTRIBUTION_VERSION="$(SOURCEVERSION)" KBUILD_BUILD_TIMESTAMP="@$(SOURCE_DATE_EPOCH)" KBUILD_BUILD_VERSION_TIMESTAMP="$(DEB_VENDOR) $(SOURCEVERSION) ($(SOURCE_DATE_UTC_ISO))" KBUILD_BUILD_USER="$(word 1,$(subst @, ,$(MAINTAINER)))" KBUILD_BUILD_HOST="$(word 2,$(subst @, ,$(MAINTAINER)))"
setup_env += KBUILD_VERBOSE=$(if $(filter terse,$(DEB_BUILD_OPTIONS)),0,1)

MAKE_CLEAN = $(setup_env) $(MAKE) KCFLAGS=-fdebug-prefix-map=$(CURDIR)/= KAFLAGS=-fdebug-prefix-map=$(CURDIR)/=
MAKE_SELF := $(MAKE) -f debian/rules.real $(MAKEOVERRIDES)
MAKEOVERRIDES =

BUILDDEB_ARGS := -Zxz $(if $(filter pkg.linux.quick,$(DEB_BUILD_PROFILES)),-z0)

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  THREAD_COUNT = $(subst parallel=,,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
else
  THREAD_COUNT = 0
endif

#
# Targets
#

packages_enabled := $(shell dh_listpackages)
define if_package
$(if $(filter $(1),$(packages_enabled)),$(2))
endef
define if_profile
$(if $(filter $(1),$(DEB_BUILD_PROFILES)),$(2),$(3))
endef

source: $(STAMPS_DIR)/source_$(FEATURESET)

$(BUILD_DIR)/config.$(ARCH)_$(FEATURESET)_$(FLAVOUR): $(KCONFIG)
	mkdir -p '$(dir $@)'
	debian/bin/kconfig.py '$@' $(KCONFIG) $(KCONFIG_OPTIONS) \
		-o MODULE_SIG_KEY=\"output/signing_key.pem\" \
		$(call if_profile, pkg.linux.nokerneldbginfo pkg.linux.quick,-o DEBUG_INFO_NONE=y -o DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=n)

define copy_source
mkdir -p '$(1)'
cp -al $(filter-out debian .pc .git, $(wildcard * .[^.]*)) '$(1)'
endef

$(BUILD_DIR)/$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION).tar.xz: DIR = $(BUILD_DIR)/$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION)
$(BUILD_DIR)/$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION).tar.xz: $(STAMPS_DIR)/source
	rm -rf '$@' '$(DIR)'
	$(call copy_source,$(DIR))
	chmod -R u+rw,go=rX '$(DIR)'
	find '$(DIR)' -depth -newermt '@$(SOURCE_DATE_EPOCH)' -print0 | \
		xargs -0r touch --no-dereference --date='@$(SOURCE_DATE_EPOCH)'
	cd '$(BUILD_DIR)'; \
	find '$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION)' \
		-name '*.pyc' -prune -o \
		-print0 | \
		sort -z | \
		tar --owner=root --group=root --numeric-owner \
			--no-recursion --null -T - -c | xz -T$(THREAD_COUNT) > '$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION).tar.xz'
	rm -rf '$(DIR)'

$(BUILD_DIR)/linux-patch-$(UPSTREAMVERSION)-%.patch.xz: $(STAMPS_DIR)/source_none $(STAMPS_DIR)/source_%
	set -o pipefail;						\
	(cd '$(BUILD_DIR)';						\
	 set +e;							\
         diff -urN -p -x debian -x .pc -x .git -x '*.pyc' source_none source_$*; \
	 test $$? -eq 1) |						\
	filterdiff --remove-timestamps --strip=1 --addoldprefix=a/ --addnewprefix=b/ | \
	xz -c >$@ ||							\
	(rm -f $@; exit 1)

$(STAMPS_DIR)/source:
	test -d .pc
	set +e; QUILT_PC=.pc quilt unapplied --quiltrc - >/dev/null && echo 'Patch series not fully applied'; test $$? -eq 1
	@$(stamp)

$(STAMPS_DIR)/source_%: SOURCE_DIR=$(BUILD_DIR)/source
$(STAMPS_DIR)/source_%: DIR=$(BUILD_DIR)/source_$*
$(STAMPS_DIR)/source_%: $(STAMPS_DIR)/source
	mkdir -p '$(BUILD_DIR)'
	rm -rf '$(DIR)'
	$(call copy_source,$(DIR))
	cd '$(DIR)' && QUILT_PATCHES='$(CURDIR)/debian/patches-$*' QUILT_PC=.pc quilt push --quiltrc - -a -q --fuzz=0
	@$(stamp)
.PRECIOUS: $(STAMPS_DIR)/source_%

$(STAMPS_DIR)/source_none: DIR=$(BUILD_DIR)/source_none
$(STAMPS_DIR)/source_none: $(STAMPS_DIR)/source
	mkdir -p '$(BUILD_DIR)'
	rm -f '$(DIR)'
	ln -s '$(CURDIR)' '$(DIR)'
	@$(stamp)

$(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR): CONFIG=$(BUILD_DIR)/config.$(ARCH)_$(FEATURESET)_$(FLAVOUR)
$(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR): SOURCE_DIR=$(BUILD_DIR)/source_$(FEATURESET)
$(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR): DIR=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
$(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR): $(STAMPS_DIR)/source_$(FEATURESET) $(BUILD_DIR)/config.$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	rm -rf '$(DIR)'
	mkdir '$(DIR)'
	cp '$(CONFIG)' '$(DIR)/.config'
	echo 'override ARCH = $(KERNEL_ARCH)' >> '$(DIR)/.kernelvariables'
	echo 'override KERNELRELEASE = $(ABINAME)$(LOCALVERSION_IMAGE)' >> '$(DIR)/.kernelvariables'
	echo 'CCACHE = ccache' >> '$(DIR)/.kernelvariables'
ifeq (./,$(dir $(COMPILER)))
	echo 'CC = $$(if $$(DEBIAN_KERNEL_USE_CCACHE),$$(CCACHE)) $$(CROSS_COMPILE)$(COMPILER)' >> '$(DIR)/.kernelvariables'
else
# To allow for cross-compiles, we want to split up the configured
# compiler filename and prepend the directory to $PATH.  For a native
# compile, so long as the configured compiler is installed it should
# always be found first.
# However, $PATH changes don't work consistently in make (bug #895835).
# Instead we do the path lookup here and generate a new absolute
# filename.
	echo 'CC = $$(if $$(DEBIAN_KERNEL_USE_CCACHE),$$(CCACHE)) $$(word 1,$$(foreach dir,$(dir $(COMPILER)) $$(subst :, ,$$(PATH)),$$(wildcard $$(dir)/$$(CROSS_COMPILE)$(notdir $(COMPILER)))))' >> '$(DIR)/.kernelvariables'
endif
	echo 'DEB_BUILD_ARCH ?= $$(shell dpkg --print-architecture)' >> '$(DIR)/.kernelvariables'
	echo 'override CROSS_COMPILE = $(CROSS_COMPILE)' >> '$(DIR)/.kernelvariables'
ifdef KCFLAGS
	echo 'override KCFLAGS += $(KCFLAGS)' >> '$(DIR)/.kernelvariables'
endif
ifdef COMPAT_GNU_TYPE
	echo 'override CROSS_COMPILE_COMPAT = $(COMPAT_GNU_TYPE)-' >> '$(DIR)/.kernelvariables'
	echo 'override CROSS32_COMPILE = $(COMPAT_GNU_TYPE)-' >> '$(DIR)/.kernelvariables'
# These are not exported by default, and kconfig may need to see them
	echo 'export CROSS_COMPILE_COMPAT CROSS32_COMPILE' >> '$(DIR)/.kernelvariables'
endif
	echo 'DEBIAN_KERNEL_NO_CC_VERSION_CHECK = y' >> '$(DIR)/.kernelvariables'
	+$(MAKE_CLEAN) -C '$(SOURCE_DIR)' O='$(CURDIR)/$(DIR)' listnewconfig
	+yes "" | $(MAKE_CLEAN) -C '$(SOURCE_DIR)' O='$(CURDIR)/$(DIR)' oldconfig >/dev/null
	debian/bin/buildcheck.py $(DIR) $(ARCH) $(FEATURESET) $(FLAVOUR) setup
	@$(stamp)

$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): REAL_VERSION = $(ABINAME)$(LOCALVERSION)
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): SOURCE_DIR=$(BUILD_DIR)/source_$(FEATURESET)
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): DIR=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): OUTPUT_DIR=$(DIR)/output/image
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): OUTPUT_DIR_DBG=$(DIR)/output/image-dbg
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): DT_INSTALL_DIR = /usr/lib/linux-image-$(REAL_VERSION)
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): export KBUILD_SIGN_PIN = $(shell dd if=/dev/random bs=16 count=1 status=none | base64)
$(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR): $(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	rm -rf '$(DIR)/output'
	install -d '$(DIR)/output'

# Make sure the support for the used key type is built-in, CRYPTO_ECDSA for ecdsa keys.
	openssl req -new -utf8 -sha256 -days 36500 \
		-batch -x509 -config certs/default_x509.genkey \
		-passout env:KBUILD_SIGN_PIN \
		-outform PEM -out $(DIR)/output/signing_key.pem \
		-keyout $(DIR)/output/signing_key.pem \
		-newkey ec -pkeyopt ec_paramgen_curve:secp384r1 2>&1

	+$(MAKE_CLEAN) -C '$(DIR)'
	debian/bin/buildcheck.py $(DIR) $(ARCH) $(FEATURESET) $(FLAVOUR) build

	install -D -m644 '$(DIR)/$(IMAGE_FILE)' $(OUTPUT_DIR)/boot/$(IMAGE_INSTALL_STEM)-$(REAL_VERSION)
ifeq ($(IMAGE_FILE),vmlinux)
# This is the unprocessed ELF image, so we need to strip debug symbols
	$(CROSS_COMPILE)strip --strip-debug $(OUTPUT_DIR)/boot/$(IMAGE_INSTALL_STEM)-$(REAL_VERSION)
endif

	install -D -m644 $(DIR)/vmlinux $(OUTPUT_DIR_DBG)/boot/vmlinux-$(REAL_VERSION)
	install -D -m644 $(DIR)/System.map $(OUTPUT_DIR_DBG)/boot/System.map-$(REAL_VERSION)

	+$(MAKE_CLEAN) -C $(DIR) modules_install \
		DEPMOD='$(CURDIR)/debian/bin/no-depmod' \
		INSTALL_MOD_PATH='$(CURDIR)/$(OUTPUT_DIR)' \
		INSTALL_MOD_STRIP=1

	rm $(DIR)/output/signing_key.pem

# cmd_sign=: Don't sign modules
# suffix-y=: Don't compress modules
	+$(MAKE_CLEAN) -C $(DIR) modules_install \
		cmd_sign= \
		suffix-y= \
		DEPMOD='$(CURDIR)/debian/bin/no-depmod' \
		INSTALL_MOD_PATH='$(CURDIR)/$(OUTPUT_DIR_DBG)'

ifneq ($(filter arm64 armel armhf mipsel mips64el mipsr6 mipsr6el mips64r6 mips64r6el riscv64,$(ARCH)),)
	+$(MAKE_CLEAN) -C $(DIR) dtbs
	+$(MAKE_CLEAN) -C $(DIR) dtbs_install INSTALL_DTBS_PATH='$(CURDIR)/$(OUTPUT_DIR)/$(DT_INSTALL_DIR)'
endif
	rm -f $(OUTPUT_DIR)/lib/modules/$(REAL_VERSION)/build
	rm -f $(OUTPUT_DIR)/lib/modules/$(REAL_VERSION)/source
	rm -f $(OUTPUT_DIR_DBG)/lib/modules/$(REAL_VERSION)/build
	rm -f $(OUTPUT_DIR_DBG)/lib/modules/$(REAL_VERSION)/source

ifeq ($(VDSO),True)
	+$(MAKE_CLEAN) -C $(DIR) vdso_install \
		cmd_symlink= \
		INSTALL_MOD_PATH='$(CURDIR)/$(OUTPUT_DIR_DBG)'
endif

	@$(stamp)

$(STAMPS_DIR)/build-doc: DIR=$(BUILD_DIR)/build-doc
# sphinx commands in /usr/bin are managed by the alternatives system.
# Change $PATH to make sure we consistently use the Python 3 version.
$(STAMPS_DIR)/build-doc: PATH:=/usr/share/sphinx/scripts/python3:$(PATH)
$(STAMPS_DIR)/build-doc: $(STAMPS_DIR)/source
ifeq (,$(filter nodoc,$(DEB_BUILD_PROFILES)))
	mkdir -p '$(BUILD_DIR)'
	rm -rf '$(DIR)'
	$(call copy_source,$(DIR))
	+$(MAKE_CLEAN) -C '$(DIR)' PYTHON=python3 xmldocs
	+$(MAKE_CLEAN) -C '$(DIR)' PYTHON=python3 htmldocs
endif
	@$(stamp)

define dh_binary_pre
	dh_testroot
	dh_prep
	dh_installdirs
endef

define dh_binary_post
	dh_install $(DH_INSTALL_ARGS)
	dh_installdocs $(if $(INSTALLDOCS_LINK_DOC),--link-doc=$(INSTALLDOCS_LINK_DOC))
	dh_installchangelogs
	dh_installexamples
	dh_installman
	dh_installudev
	dh_bugfiles
	dh_ucf
	dh_lintian
	dh_icons
	dh_link
	dh_compress $(DH_COMPRESS_ARGS)
	dh_fixperms
	dh_missing
	dh_strip $(DH_STRIP_ARGS) -Xvmlinux -Xvmlinuz
	dh_makeshlibs -Xvdso -Xvmlinux -Xvmlinuz
	dh_shlibdeps $(DH_SHLIBDEPS_ARGS)
	dh_installdeb
	if command -v dh_movetousr >/dev/null; then dh_movetousr; fi
	dh_gencontrol -- $(GENCONTROL_ARGS)
	dh_md5sums
	dh_builddeb -- $(BUILDDEB_ARGS)
endef

build_meta:

binary_meta:
	$(dh_binary_pre)
	$(dh_binary_post)

build_doc: $(STAMPS_DIR)/build-doc

binary_doc: DIR = $(BUILD_DIR)/build-doc
binary_doc: OUT_DIR = $(DESTDIR)/usr/share/doc/$(PACKAGE_NAME)
binary_doc: $(STAMPS_DIR)/build-doc
	$(dh_binary_pre)
ifeq (,$(filter nodoc,$(DEB_BUILD_PROFILES)))
	mkdir -p $(OUT_DIR)
	set -o pipefail; \
	find CREDITS MAINTAINERS README Documentation \
		-name '.gitignore' -prune -o -name DocBook -prune -o \
		-path Documentation/media -prune -o \
		-path Documentation/sphinx -prune -o \
		-name 'Makefile*' -prune -o \
		-print | \
	cpio -pd --preserve-modification-time '$(OUT_DIR)'
	set -o pipefail; \
	cd $(DIR)/Documentation/output; \
	find * -name '*.rst' -prune -o -name objects.inv -prune \
		-o -name xml -prune -o -print | \
	cpio -pd --preserve-modification-time '$(OUT_DIR)/html'
	find $(OUT_DIR)/Documentation -type f | xargs gzip -9n
# Fix up symlinks to gzipped docs
	cd $(OUT_DIR)/Documentation; \
	find -type l | while read link; do \
		dest="$$(readlink -f "$$link")"; \
		if [ -f "$$dest.gz" ]; then \
			rm -f "$$link"; \
			ln -sr "$$dest.gz" "$$link.gz"; \
		fi; \
	done
endif
	dh_sphinxdoc
	$(dh_binary_post)

build_headers-common:

binary_headers-common: PACKAGE_NAME_KBUILD = linux-kbuild-$(ABINAME)
binary_headers-common: BASE_DIR = /usr/src/$(PACKAGE_NAME)
binary_headers-common: SOURCE_DIR = $(BUILD_DIR)/source_$(FEATURESET)
binary_headers-common: DIR = $(DESTDIR)/$(BASE_DIR)
binary_headers-common: $(STAMPS_DIR)/source_$(FEATURESET)
	$(dh_binary_pre)

	set -o pipefail; \
	cd $(SOURCE_DIR); \
	( \
		echo Makefile; \
		for arch in $(ALL_KERNEL_ARCHES); do \
			find arch/$$arch -maxdepth 1 -name 'Makefile*' -print; \
			find arch/$$arch \( -name 'Kbuild.platforms' -o -name 'Platform' \) -print; \
			find $$(find arch/$$arch \( -name include -o -name scripts \) -type d -print) -print; \
		done; \
		find include -print; \
	) \
	| \
	cpio -pd --preserve-modification-time '$(DIR)'

	$(dh_binary_post)

build_headers:

binary_headers: REAL_VERSION = $(ABINAME)$(LOCALVERSION)
binary_headers: PACKAGE_NAME_COMMON = linux-headers-$(ABINAME)-common$(LOCALVERSION_HEADERS)
binary_headers: PACKAGE_NAME_KBUILD = linux-kbuild-$(ABINAME)
binary_headers: BASE_DIR = /usr/src/$(PACKAGE_NAME)
binary_headers: BASE_DIR_COMMON = /usr/src/$(PACKAGE_NAME_COMMON)
binary_headers: SOURCE_DIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
binary_headers: REF_DIR = $(BUILD_DIR)/source_$(FEATURESET)
binary_headers: DIR = $(DESTDIR)/$(BASE_DIR)
binary_headers: DH_INSTALL_ARGS = --sourcedir=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR) '-X*.cmd'
binary_headers: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	$(dh_binary_pre)

	dh_installdirs $(BASE_DIR)
	$(CROSS_COMPILE)objcopy -j .BTF -j .BTF_ids $(SOURCE_DIR)/vmlinux $(DIR)/vmlinux
	chmod 644 $(DIR)/vmlinux

	@echo 'KBUILD_OUTPUT=$(BASE_DIR)' >> $(DIR)/Makefile
	@echo 'include $(BASE_DIR_COMMON)/Makefile' >> $(DIR)/Makefile

	$(dh_binary_post)

$(STAMPS_DIR)/build_libc-dev: DIR=$(BUILD_DIR)/build_libc-dev
$(STAMPS_DIR)/build_libc-dev:
	rm -rf '$(DIR)/output'
	+$(foreach ARCH,$(ALL_LIBCDEV_KERNELARCHES), \
	   $(MAKE_CLEAN) O='$(CURDIR)/$(DIR)' headers_install ARCH=$(ARCH) INSTALL_HDR_PATH='output/usr'; \
	   mkdir -p '$(DIR)/output/usr/lib/linux/uapi/$(ARCH)'; \
	   mv '$(DIR)/output/usr/include/asm' '$(DIR)/output/usr/lib/linux/uapi/$(ARCH)/asm'; )
	@$(stamp)

build_libc-dev: $(STAMPS_DIR)/build_libc-dev

binary_libc-dev: DIR = $(BUILD_DIR)/build_libc-dev/output
binary_libc-dev: DH_INSTALL_ARGS = --sourcedir=$(DIR)
binary_libc-dev: $(STAMPS_DIR)/build_libc-dev
	$(dh_binary_pre)

# Generate symlink farms for every supported multiarch identifier
	for spec in $(ALL_LIBCDEV_MULTIARCHES); do \
		IFS=: read -r MULTIARCH KERNELARCH <<< "$$spec"; \
		dh_link --all $$(find $(DIR)/usr/lib/linux/uapi/$$KERNELARCH/asm -type f -name '*.h' -printf "usr/lib/linux/uapi/$$KERNELARCH/asm/%P usr/include/$$MULTIARCH/asm/%P\\n");  \
	done

	$(dh_binary_post)

build_bpf-dev: SOURCE_DIR=$(BUILD_DIR)/source_$(FEATURESET)
build_bpf-dev: DIR=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
build_bpf-dev: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	mkdir -p $(DIR)/tools/bpf/bpftool
	+$(MAKE_CLEAN) -C '$(SOURCE_DIR)/tools/bpf/bpftool' O=$(CURDIR)/$(DIR)/tools/bpf/bpftool CROSS_COMPILE= FEATURE_TESTS= FEATURE_DISPLAY=

	if grep -q CONFIG_DEBUG_INFO_BTF=y $(DIR)/.config; then \
		$(DIR)/tools/bpf/bpftool/bpftool btf dump file $(DIR)/vmlinux format c > $(DIR)/vmlinux.h; \
	else \
		echo '#error "Kernel build without CONFIG_DEBUG_INFO_BTF, no type info available"' > $(DIR)/vmlinux.h; \
	fi

binary_bpf-dev: DH_INSTALL_ARGS = --sourcedir=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
binary_bpf-dev: build_bpf-dev
	$(dh_binary_pre)
	$(dh_binary_post)

setup_image: $(STAMPS_DIR)/setup_$(ARCH)_$(FEATURESET)_$(FLAVOUR)

build_image: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)

binary_image: DH_INSTALL_ARGS = --sourcedir=$(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)/output/image
binary_image: DH_STRIP_ARGS = --no-automatic-dbgsym
binary_image: REAL_VERSION = $(ABINAME)$(LOCALVERSION)
binary_image: DIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
binary_image: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
binary_image:
	$(dh_binary_pre)

	dh_installdirs boot
	sed '/CONFIG_\(MODULE_SIG_\(ALL\|KEY\)\|SYSTEM_TRUSTED_KEYS\|BUILD_SALT\)[ =]/d' $(DIR)/.config > $(DESTDIR)/boot/config-$(REAL_VERSION)
	echo "ffffffffffffffff B The real System.map is in the linux-image-$(REAL_VERSION)-dbg package" \
		> $(DESTDIR)/boot/System.map-$(REAL_VERSION)

	dh_installdirs usr/share/bug/$(PACKAGE_NAME)
	cp -a debian/templates/image.bug/* $(DESTDIR)/usr/share/bug/$(PACKAGE_NAME)
	printf "RELEASE='$(REAL_VERSION)'\nDISTRIBUTOR='$(DEB_VENDOR)'\nSOURCEVERSION='$(SOURCEVERSION)'\nPACKAGE_NAME='$(PACKAGE_NAME)'\nPACKAGE_VERSION='$(SOURCEVERSION)'" > $(DESTDIR)/usr/share/bug/$(PACKAGE_NAME)/info

	$(dh_binary_post)

build_image-dbg: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)

binary_image-dbg: REAL_VERSION = $(ABINAME)$(LOCALVERSION)
binary_image-dbg: DEBUG_DIR = $(DESTDIR)/usr/lib/debug
binary_image-dbg: DIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)/output/image-dbg
binary_image-dbg: DH_INSTALL_ARGS = --sourcedir=$(DIR)
binary_image-dbg: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	$(dh_binary_pre)
# Verify we don't have any signed modules installed
	@if find $(DIR) -name '*.ko' | xargs grep -q '~Module signature appended~'; then \
		echo; \
		echo 'Signed modules to be installed into debug package $(PACKAGE_NAME)'; \
		echo; \
		exit 1; \
	fi

# Verify we don't have any compressed modules installed
	@if ! find $(DIR) -name '*.ko.*' -exec false {} +; then \
		echo; \
		echo 'Compressed modules to be installed into debug package $(PACKAGE_NAME)'; \
		echo; \
		exit 1; \
	fi

ifeq ($(VDSO),True)
	find $(DIR)/lib/modules/$(REAL_VERSION)/vdso/ -type f -printf '%P\n' | while read vdso; do \
		if buildid="$$(readelf -n "$(DIR)/lib/modules/$(REAL_VERSION)/vdso/$$vdso" | sed -rne 's/^\s+Build ID: (.*)$$/\1/p')" && [ "$$buildid" ]; then \
			dh_link "usr/lib/debug/lib/modules/$(REAL_VERSION)/vdso/$$vdso" "usr/lib/debug/.build-id/$${buildid:0:2}/$${buildid:2}.debug"; \
		fi; \
	done
endif
	$(dh_binary_post)

build_signed-template:

binary_signed-template: GEN_DIR = debian/generated.signed-$(ARCH)
binary_signed-template: CODE_SIGNING_DIR = $(DESTDIR)/usr/share/code-signing/$(PACKAGE_NAME)
binary_signed-template: DEBIAN_DIR = $(CODE_SIGNING_DIR)/source-template/debian
binary_signed-template: VERSION_TEMPLATE = $(shell echo $(DEB_VERSION) | sed -Ee 's/\+b(\d+)$$/.b\1/' -e 's/-/+/g')
binary_signed-template:
	$(dh_binary_pre)
	rm -rf $(CODE_SIGNING_DIR)
	mkdir -p $(DEBIAN_DIR)/source
	for i in $$(find $(GEN_DIR) -type f -printf '%P\n'); do \
		sed -E \
			-e 's/@signedtemplate_binaryversion@/$(DEB_VERSION)/g' \
			-e 's/@signedtemplate_sourceversion@/$(VERSION_TEMPLATE)/g' \
			$(GEN_DIR)/$$i > $(DEBIAN_DIR)/$$i; \
	done
	for i in $$(find debian/signing_templates -type f -printf '%P\n'); do \
		sed -E \
			-e 's/@signedtemplate_binaryversion@/$(DEB_VERSION)/g' \
			-e 's/@signedtemplate_sourceversion@/$(VERSION_TEMPLATE)/g' \
			debian/signing_templates/$$i > $(DEBIAN_DIR)/$$i; \
	done
	mv $(DEBIAN_DIR)/changelog.head $(DEBIAN_DIR)/changelog
	tail +2 debian/changelog >> $(DEBIAN_DIR)/changelog
	mv $(DEBIAN_DIR)/$(call if_profile,pkg.linux.quick,files.quick.json,files.notquick.json) $(CODE_SIGNING_DIR)/files.json
	chmod 755 $(DEBIAN_DIR)/rules
	$(dh_binary_post)

build_installer:
build_installer-test:

binary_installer binary_installer-test: export KW_DEFCONFIG_DIR=debian/installer
binary_installer binary_installer-test: export KW_CONFIG_DIR=debian/installer
binary_installer binary_installer-test: export SOURCEDIR = $(BUILD_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)/output/image
binary_installer binary_installer-test: REAL_VERSION = $(ABINAME)$(LOCALVERSION)

binary_installer: DH_OPTIONS_IMAGE = -p$(IMAGE_PACKAGE_NAME) --sourcedir=$(SOURCEDIR)
binary_installer: $(STAMPS_DIR)/build_$(ARCH)_$(FEATURESET)_$(FLAVOUR)
	$(dh_binary_pre)
	DH_OPTIONS="$(DH_OPTIONS_IMAGE)" dh_install boot/$(IMAGE_INSTALL_STEM)-$(REAL_VERSION)
	DH_OPTIONS="$(DH_OPTIONS_IMAGE)" dh_install lib/modules/$(REAL_VERSION)/modules.builtin
	DH_OPTIONS="$(DH_OPTIONS_IMAGE)" dh_install lib/modules/$(REAL_VERSION)/modules.order
ifneq ($(filter arm64 armel armhf mipsel mips64el mipsr6 mipsr6el mips64r6 mips64r6el riscv64,$(ARCH)),)
	DH_OPTIONS="$(DH_OPTIONS_IMAGE)" dh_install usr/lib/linux-image-$(REAL_VERSION)
endif
	kernel-wedge copy-modules $(ABINAME) $(FLAVOUR) $(REAL_VERSION)
	kernel-wedge find-dups $(REAL_VERSION)
	kernel-wedge find-unpackaged $(REAL_VERSION) $(REAL_VERSION)
	kernel-wedge check $$(dh_listpackages)
	dh_fixperms
	dh_gencontrol
	dh_builddeb -- $(BUILDDEB_ARGS)

binary_installer-test: export DEB_BUILD_PROFILES += pkg.linux.udeb-unsigned-test-build
binary_installer-test:
	if [ -n "$$(dh_listpackages)" ]; then \
		dh_testdir; \
		dh_prep; \
		kernel-wedge copy-modules $(ABINAME) $(FLAVOUR) $(REAL_VERSION); \
		kernel-wedge find-dups $(REAL_VERSION); \
		kernel-wedge find-unpackaged $(REAL_VERSION) $(REAL_VERSION); \
		kernel-wedge check $$(dh_listpackages); \
	fi

build_source:

binary_source: BUILDDEB_ARGS = -Zxz -z0
binary_source: $(BUILD_DIR)/$(SOURCE_BASENAME)-source-$(UPSTREAMVERSION).tar.xz $(foreach FEATURESET,$(filter-out none,$(ALL_FEATURESETS)),$(BUILD_DIR)/linux-patch-$(UPSTREAMVERSION)-$(FEATURESET).patch.xz)
	$(dh_binary_pre)
	dh_install $^ /usr/src
	$(dh_binary_post)

build_config:

binary_config: TRIPLETS = $(subst $(BUILD_DIR)/build_,,$(wildcard $(BUILD_DIR)/build_$(ARCH)_*_*))
binary_config:
	$(dh_binary_pre)
	dh_installdirs /usr/src/linux-config-$(UPSTREAMVERSION)
# Fix the module signing configuration to work for custom kernels.  Also delete
# CONFIG_BUILD_SALT which makes no sense for custom kernels.
	for triplet in $(TRIPLETS); do \
		sed '/CONFIG_\(MODULE_SIG_\(ALL\|KEY\)\|SYSTEM_TRUSTED_KEYS\|BUILD_SALT\)[ =]/d' $(BUILD_DIR)/build_$$triplet/.config | xz -c >debian/$(PACKAGE_NAME)/usr/src/linux-config-$(UPSTREAMVERSION)/config.$$triplet.xz; \
	done
	$(dh_binary_post)

define make-tools
+mkdir -p $(BUILD_DIR)/build-tools/$(1) && $(MAKE_CLEAN) -C $(BUILD_DIR)/build-tools/$(1) -f $(CURDIR)/debian/rules.d/$(1)/Makefile top_srcdir=$(CURDIR) top_rulesdir=$(CURDIR)/debian/rules.d OUTDIR=$(1) VERSION=$(UPSTREAMVERSION) KERNEL_ARCH=$(KERNEL_ARCH)
endef

$(STAMPS_DIR)/prepare-build-tools:
	mkdir -p $(BUILD_DIR)/build-tools/headers-tools
	$(MAKE) ARCH=$(KERNEL_ARCH) O=$(BUILD_DIR)/build-tools/headers-tools \
		INSTALL_HDR_PATH=$(CURDIR)/$(BUILD_DIR)/build-tools \
		headers_install
	mkdir -p $(BUILD_DIR)/build-tools/scripts/basic
	ln -f $(BUILD_DIR)/build-tools/headers-tools/scripts/basic/fixdep \
		$(BUILD_DIR)/build-tools/scripts/basic/fixdep
	@$(stamp)

build_bpftool: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/bpf/bpftool)

binary_bpftool: BPFTOOL_VERSION_MAJOR = $(shell sed -ne 's,^#define LIBBPF_MAJOR_VERSION \(.*\)$$,\1,p' tools/lib/bpf/libbpf_version.h)
binary_bpftool: BPFTOOL_VERSION_MINOR = $(shell sed -ne 's,^#define LIBBPF_MINOR_VERSION \(.*\)$$,\1,p' tools/lib/bpf/libbpf_version.h)
binary_bpftool: BPFTOOL_VERSION_PATCH = $(shell sed -ne 's,^#define BPFTOOL_PATCH_VERSION \(.*\)$$,\1,p' tools/bpf/bpftool/main.c)
binary_bpftool: BPFTOOL_VERSION = $(shell expr $(BPFTOOL_VERSION_MAJOR) + 6).$(BPFTOOL_VERSION_MINOR).$(BPFTOOL_VERSION_PATCH)
binary_bpftool: GENCONTROL_ARGS = -v$(BPFTOOL_VERSION)+$(DEB_VERSION)
binary_bpftool: build_bpftool
	$(dh_binary_pre)
	$(call make-tools,tools/bpf/bpftool) install
	$(dh_binary_post)

build_kbuild: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,certs)
	$(call make-tools,scripts)
	$(call make-tools,tools/bpf/resolve_btfids)
	$(call make-tools,tools/objtool)

binary_kbuild: PREFIX_DIR = /usr/lib/$(PACKAGE_NAME)
binary_kbuild: build_kbuild
	$(dh_binary_pre)
	$(call make-tools,certs) install prefix=$(PREFIX_DIR)
	$(call make-tools,scripts) install prefix=$(PREFIX_DIR)
	$(call make-tools,tools/bpf/resolve_btfids) install prefix=$(PREFIX_DIR)
	$(call make-tools,tools/objtool) install prefix=$(PREFIX_DIR)
	dh_python3 $(PREFIX_DIR)/scripts
	dh_link $(PREFIX_DIR) /usr/src/$(PACKAGE_NAME)
	$(dh_binary_post)

build_cpupower: $(STAMPS_DIR)/build-cpupower
$(STAMPS_DIR)/build-cpupower: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/power/cpupower)
ifneq ($(filter i386 amd64 x32,$(DEB_HOST_ARCH)),)
	$(call make-tools,tools/power/x86)
endif
	@$(stamp)

binary_cpupower: DIR = $(CURDIR)/debian/cpupower-tmp
binary_cpupower: DH_INSTALL_ARGS = --sourcedir=$(DIR)
binary_cpupower: build_cpupower
	$(dh_binary_pre)
	$(call make-tools,tools/power/cpupower) install DESTDIR=$(DIR)
ifneq ($(filter i386 amd64 x32,$(DEB_HOST_ARCH)),)
	$(call make-tools,tools/power/x86) install DESTDIR=$(DIR)
	echo >> debian/linux-cpupower.substvars 'cpupower:Arch-Description='\
'The turbostat command reports topology, frequency, idle power-state$${Newline}'\
'statistics, temperature and power consumption information as provided$${Newline}'\
'by the CPU.$${Newline}'\
'$${Newline}'\
'The x86_energy_perf_policy command sets a general policy on some Intel$${Newline}'\
'CPU models for the relative importance of performance versus energy$${Newline}'\
'savings.$${Newline}'\
'$${Newline}'\
'The intel-speed-select command enumerates and controls Intel SST features.$${Newline}'\
'It can change the power and performance profile of the system in a $${Newline}'\
'variety of diverse workload requirements.'
endif
	$(dh_binary_post)

binary_perf build_perf: export _PYTHON_SYSCONFIGDATA_NAME = _sysconfigdata__$(DEB_HOST_MULTIARCH)

build_perf: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/perf)

binary_perf: DH_COMPRESS_ARGS = -Xtips.txt
binary_perf: DH_SHLIBDEPS_ARGS = -Xperf-read-vdso
binary_perf: build_perf
	$(dh_binary_pre)
	$(call make-tools,tools/perf) install
	# do not ship python2 script
	rm -f $(DIR)/usr/lib/perf-core/scripts/python/call-graph-from-sql.py
	dh_perl /usr/lib/perf-core/scripts/perl/Perf-Trace-Util/lib/
	dh_python3 /usr/lib/perf-core/scripts/python/Perf-Trace-Util/lib/
	$(dh_binary_post)

build_usbip: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/usb/usbip)

binary_usbip: DIR = $(CURDIR)/debian/usbip-tmp
binary_usbip: DH_INSTALL_ARGS = --sourcedir=$(DIR)
binary_usbip: USBIP_VERSION = $(shell sed -Ene 's/^AC_INIT\(\[\S+\],\s*\[(\S+)\].*\)$$/\1/p' tools/usb/usbip/configure.ac)
binary_usbip: GENCONTROL_ARGS = -v$(USBIP_VERSION)+$(DEB_VERSION)
binary_usbip: build_usbip
	$(dh_binary_pre)
	$(call make-tools,tools/usb/usbip) install DESTDIR=$(DIR)
	$(dh_binary_post)

build_hyperv-daemons: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/hv)

binary_hyperv-daemons: build_hyperv-daemons
	$(dh_binary_pre)
	$(call make-tools,tools/hv) install
	for service in kvp vss; do \
		dh_installsystemd --name hv-$$service-daemon --no-enable --no-start \
			|| break; \
		dh_installinit --name hv-$$service-daemon \
			|| break; \
	done
	$(dh_binary_post)

build_rtla: $(STAMPS_DIR)/prepare-build-tools $(STAMPS_DIR)/build-cpupower
	$(call make-tools,tools/tracing/rtla)

binary_rtla: build_rtla
	$(dh_binary_pre)
	$(call make-tools,tools/tracing/rtla) install
	$(dh_binary_post)

build_sdsi: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/arch/x86/intel_sdsi)

binary_sdsi: build_sdsi
	$(dh_binary_pre)
	$(call make-tools,tools/arch/x86/intel_sdsi) install
	$(dh_binary_post)

build_misc-tools: $(STAMPS_DIR)/prepare-build-tools
	$(call make-tools,tools/bootconfig)
	$(call make-tools,tools/firmware)
	$(call make-tools,tools/thermal)

binary_misc-tools: build_misc-tools
	$(dh_binary_pre)
	$(call make-tools,tools/bootconfig) install
	$(call make-tools,tools/firmware) install
	$(call make-tools,tools/thermal) install
	$(dh_binary_post)

setup_%:
	@:

.PHONY: binary_% build_% setup_% binary-% build-% install-% setup-% source

# vim: filetype=make