1#!/usr/bin/make -f 2# SPDX-License-Identifier: GPL-2.0-only 3 4# in case debian/rules is executed directly 5export DEB_RULES_REQUIRES_ROOT := no 6 7include debian/rules.vars 8 9ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))) 10 NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS))) 11 MAKEFLAGS += -j$(NUMJOBS) 12endif 13 14# When KBUILD_VERBOSE is undefined (presumably you are directly working with 15# the debianized tree), show verbose logs unless DEB_BUILD_OPTION=terse is set. 16ifeq ($(origin KBUILD_VERBOSE),undefined) 17 ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS))) 18 export KBUILD_VERBOSE := 1 19 else 20 Q := @ 21 endif 22endif 23 24revision = $(lastword $(subst -, ,$(shell dpkg-parsechangelog -S Version))) 25CROSS_COMPILE ?= $(filter-out $(DEB_BUILD_GNU_TYPE)-, $(DEB_HOST_GNU_TYPE)-) 26make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(revision) $(addprefix CROSS_COMPILE=,$(CROSS_COMPILE)) 27 28binary-targets := $(addprefix binary-, image image-dbg headers libc-dev) 29 30all-packages = $(shell dh_listpackages) 31image-package = $(filter linux-image-% user-%, $(filter-out %-dbg, $(all-packages))) 32image-dbg-package = $(filter %-dbg, $(all-packages)) 33libc-dev-package = $(filter linux-libc-dev, $(all-packages)) 34headers-package = $(filter linux-headers-%, $(all-packages)) 35 36mk-files = $(patsubst binary-%,debian/%.files,$1) 37package = $($(@:binary-%=%-package)) 38 39# DH_OPTION is an environment variable common for all debhelper commands. 40# We could 'export' it, but here it is passed from the command line to clarify 41# which package is being processed in the build log. 42DH_OPTIONS = -p$(package) 43 44# Note: future removal of KDEB_COMPRESS 45# dpkg-deb >= 1.21.10 supports the DPKG_DEB_COMPRESSOR_TYPE environment 46# variable, which provides the same functionality as KDEB_COMPRESS. The 47# KDEB_COMPRESS variable will be removed in the future. 48define binary 49 $(Q)dh_testdir $(DH_OPTIONS) 50 $(Q)dh_testroot $(DH_OPTIONS) 51 $(Q)dh_prep $(DH_OPTIONS) 52 $(Q)+$(MAKE) $(make-opts) run-command KBUILD_RUN_COMMAND='+$$(srctree)/scripts/package/builddeb $(package)' 53 $(Q)dh_installdocs $(DH_OPTIONS) 54 $(Q)dh_installchangelogs $(DH_OPTIONS) 55 $(Q)dh_compress $(DH_OPTIONS) 56 $(Q)dh_fixperms $(DH_OPTIONS) 57 $(Q)dh_gencontrol $(DH_OPTIONS) -- -f$(call mk-files,$@) 58 $(Q)dh_md5sums $(DH_OPTIONS) 59 $(Q)dh_builddeb $(DH_OPTIONS) -- $(addprefix -Z,$(KDEB_COMPRESS)) 60endef 61 62.PHONY: $(binary-targets) 63$(binary-targets): build-arch 64 $(Q)truncate -s0 $(call mk-files,$@) 65 $(if $(package),$(binary)) 66 67.PHONY: binary binary-indep binary-arch 68binary: binary-arch binary-indep 69binary-indep: build-indep 70binary-arch: $(binary-targets) 71 $(Q)cat $(call mk-files,$^) > debian/files 72 73.PHONY: build build-indep build-arch 74build: build-arch build-indep 75build-indep: 76build-arch: 77 $(Q)$(MAKE) $(make-opts) olddefconfig 78 $(Q)$(MAKE) $(make-opts) $(if $(filter um,$(ARCH)),,headers) all 79 80.PHONY: clean 81clean: 82 $(Q)dh_clean 83 $(Q)rm -rf debian/deb-env.vars* debian/*.files 84 $(Q)$(MAKE) ARCH=$(ARCH) clean 85 86# If DEB_HOST_ARCH is empty, it is likely that debian/rules was executed 87# directly. Run 'dpkg-architecture --print-set --print-format=make' to 88# generate a makefile construct that exports all DEB_* variables. 89ifndef DEB_HOST_ARCH 90include debian/deb-env.vars 91 92debian/deb-env.vars: 93 $(Q)dpkg-architecture -a$$(cat debian/arch) --print-set --print-format=make > $@.tmp 94 $(Q)mv $@.tmp $@ 95endif 96