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1# SPDX-License-Identifier: GPL-2.0-only
2# Makefile for the different targets used to generate full packages of a kernel
3
4include $(srctree)/scripts/Kbuild.include
5include $(srctree)/scripts/Makefile.lib
6
7# Git
8# ---------------------------------------------------------------------------
9
10filechk_HEAD = git -C $(srctree) rev-parse --verify HEAD 2>/dev/null
11
12.tmp_HEAD: check-git FORCE
13 $(call filechk,HEAD)
14
15PHONY += check-git
16check-git:
17 @if ! $(srctree)/scripts/check-git; then \
18 echo >&2 "error: creating source package requires git repository"; \
19 false; \
20 fi
21
22git-config-tar.gz = -c tar.tar.gz.command="$(KGZIP)"
23git-config-tar.bz2 = -c tar.tar.bz2.command="$(KBZIP2)"
24git-config-tar.lzma = -c tar.tar.lzma.command="$(LZMA)"
25git-config-tar.xz = -c tar.tar.xz.command="$(XZ)"
26git-config-tar.zst = -c tar.tar.zst.command="$(ZSTD)"
27
28quiet_cmd_archive = ARCHIVE $@
29 cmd_archive = git -C $(srctree) $(git-config-tar$(suffix $@)) archive \
30 --output=$$(realpath $@) $(archive-args)
31
32suffix-gzip := .gz
33suffix-bzip2 := .bz2
34suffix-lzma := .lzma
35suffix-xz := .xz
36
37# Linux source tarball
38# ---------------------------------------------------------------------------
39
40linux-tarballs := $(addprefix linux, .tar.gz .tar.bz2 .tar.lzma .tar.xz)
41
42targets += $(linux-tarballs)
43$(linux-tarballs): archive-args = --prefix=linux/ $$(cat $<)
44$(linux-tarballs): .tmp_HEAD FORCE
45 $(call if_changed,archive)
46
47# rpm-pkg srcrpm-pkg binrpm-pkg
48# ---------------------------------------------------------------------------
49
50quiet_cmd_mkspec = GEN $@
51 cmd_mkspec = $(srctree)/scripts/package/mkspec $@
52
53rpmbuild/SPECS/kernel.spec: FORCE
54 $(call cmd,mkspec)
55
56PHONY += rpm-sources
57rpm-sources: linux.tar.gz
58 $(Q)mkdir -p rpmbuild/SOURCES
59 $(Q)ln -f linux.tar.gz rpmbuild/SOURCES/linux.tar.gz
60 $(Q)cp $(KCONFIG_CONFIG) rpmbuild/SOURCES/config
61 $(Q)$(srctree)/scripts/package/gen-diff-patch rpmbuild/SOURCES/diff.patch
62
63PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
64
65rpm-pkg: private build-type := a
66srcrpm-pkg: private build-type := s
67binrpm-pkg: private build-type := b
68
69rpm-pkg srcrpm-pkg: rpm-sources
70rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
71 +$(strip rpmbuild -b$(build-type) rpmbuild/SPECS/kernel.spec \
72 --define='_topdir $(abspath rpmbuild)' \
73 $(if $(filter a b, $(build-type)), \
74 --target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
75 $$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)) \
76 $(RPMOPTS))
77
78# deb-pkg srcdeb-pkg bindeb-pkg
79# ---------------------------------------------------------------------------
80
81KDEB_SOURCE_COMPRESS ?= gzip
82
83supported-deb-source-compress := gzip bzip2 lzma xz
84
85PHONY += linux.tar.unsupported-deb-src-compress
86linux.tar.unsupported-deb-src-compress:
87 @echo "error: KDEB_SOURCE_COMPRESS=$(KDEB_SOURCE_COMPRESS) is not supported. The supported values are: $(supported-deb-source-compress)" >&2
88 @false
89
90debian-orig-suffix := \
91 $(strip $(if $(filter $(supported-deb-source-compress), $(KDEB_SOURCE_COMPRESS)), \
92 $(suffix-$(KDEB_SOURCE_COMPRESS)),.unsupported-deb-src-compress))
93
94quiet_cmd_debianize = GEN $@
95 cmd_debianize = $(srctree)/scripts/package/mkdebian $(mkdebian-opts)
96
97debian: FORCE
98 $(call cmd,debianize)
99
100PHONY += debian-orig
101debian-orig: private source = $(shell dpkg-parsechangelog -S Source)
102debian-orig: private version = $(shell dpkg-parsechangelog -S Version | sed 's/-[^-]*$$//')
103debian-orig: private orig-name = $(source)_$(version).orig.tar$(debian-orig-suffix)
104debian-orig: mkdebian-opts = --need-source
105debian-orig: linux.tar$(debian-orig-suffix) debian
106 $(Q)if [ "$(df --output=target .. 2>/dev/null)" = "$(df --output=target $< 2>/dev/null)" ]; then \
107 ln -f $< ../$(orig-name); \
108 else \
109 cp $< ../$(orig-name); \
110 fi
111
112PHONY += deb-pkg srcdeb-pkg bindeb-pkg
113
114deb-pkg: private build-type := source,binary
115srcdeb-pkg: private build-type := source
116bindeb-pkg: private build-type := binary
117
118deb-pkg srcdeb-pkg: debian-orig
119bindeb-pkg: debian
120deb-pkg srcdeb-pkg bindeb-pkg:
121 +$(strip dpkg-buildpackage \
122 --build=$(build-type) --no-pre-clean --unsigned-changes \
123 $(if $(findstring source, $(build-type)), \
124 --unsigned-source --compression=$(KDEB_SOURCE_COMPRESS)) \
125 $(if $(findstring binary, $(build-type)), \
126 -R'$(MAKE) -f debian/rules' -j1 -a$$(cat debian/arch), \
127 --no-check-builddeps) \
128 $(DPKG_FLAGS))
129
130# snap-pkg
131# ---------------------------------------------------------------------------
132PHONY += snap-pkg
133snap-pkg:
134 rm -rf $(objtree)/snap
135 mkdir $(objtree)/snap
136 $(MAKE) clean
137 sed "s@KERNELRELEASE@$(KERNELRELEASE)@; \
138 s@SRCTREE@$(realpath $(srctree))@" \
139 $(srctree)/scripts/package/snapcraft.template > \
140 $(objtree)/snap/snapcraft.yaml
141 cd $(objtree)/snap && \
142 snapcraft --target-arch=$(UTS_MACHINE)
143
144# dir-pkg tar*-pkg - tarball targets
145# ---------------------------------------------------------------------------
146
147tar-install: FORCE
148 $(Q)$(MAKE) -f $(srctree)/Makefile
149 +$(Q)$(srctree)/scripts/package/buildtar $@
150
151compress-tar.gz = -I "$(KGZIP)"
152compress-tar.bz2 = -I "$(KBZIP2)"
153compress-tar.xz = -I "$(XZ)"
154compress-tar.zst = -I "$(ZSTD)"
155
156quiet_cmd_tar = TAR $@
157 cmd_tar = cd $<; tar cf ../$@ $(compress-tar$(suffix $@)) --owner=root --group=root --sort=name *
158
159dir-tarballs := $(addprefix linux-$(KERNELRELEASE)-$(ARCH), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
160
161$(dir-tarballs): tar-install
162 $(call cmd,tar)
163
164PHONY += dir-pkg
165dir-pkg: tar-install
166 @echo "Kernel tree successfully created in $<"
167
168PHONY += tar-pkg
169tar-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar
170 @:
171
172tar%-pkg: linux-$(KERNELRELEASE)-$(ARCH).tar.% FORCE
173 @:
174
175# perf-tar*-src-pkg - generate a source tarball with perf source
176# ---------------------------------------------------------------------------
177
178.tmp_perf:
179 $(Q)mkdir .tmp_perf
180
181.tmp_perf/HEAD: .tmp_HEAD | .tmp_perf
182 $(call cmd,copy)
183
184quiet_cmd_perf_version_file = GEN $@
185 cmd_perf_version_file = cd $(srctree)/tools/perf; util/PERF-VERSION-GEN $(dir $(abspath $@))
186
187# PERF-VERSION-FILE and .tmp_HEAD are independent, but this avoids updating the
188# timestamp of PERF-VERSION-FILE.
189# The best is to fix tools/perf/util/PERF-VERSION-GEN.
190.tmp_perf/PERF-VERSION-FILE: .tmp_HEAD $(srctree)/tools/perf/util/PERF-VERSION-GEN | .tmp_perf
191 $(call cmd,perf_version_file)
192
193perf-archive-args = --add-file=$$(realpath $(word 2, $^)) \
194 --add-file=$$(realpath $(word 3, $^)) \
195 $$(cat $(word 2, $^))^{tree} $$(cat $<)
196
197
198perf-tarballs := $(addprefix perf-$(KERNELVERSION), .tar .tar.gz .tar.bz2 .tar.xz .tar.zst)
199
200targets += $(perf-tarballs)
201$(perf-tarballs): archive-args = --prefix=perf-$(KERNELVERSION)/ $(perf-archive-args)
202$(perf-tarballs): tools/perf/MANIFEST .tmp_perf/HEAD .tmp_perf/PERF-VERSION-FILE FORCE
203 $(call if_changed,archive)
204
205PHONY += perf-tar-src-pkg
206perf-tar-src-pkg: perf-$(KERNELVERSION).tar
207 @:
208
209perf-tar%-src-pkg: perf-$(KERNELVERSION).tar.% FORCE
210 @:
211
212# Help text displayed when executing 'make help'
213# ---------------------------------------------------------------------------
214PHONY += help
215help:
216 @echo ' rpm-pkg - Build both source and binary RPM kernel packages'
217 @echo ' srcrpm-pkg - Build only the source kernel RPM package'
218 @echo ' binrpm-pkg - Build only the binary kernel RPM package'
219 @echo ' deb-pkg - Build both source and binary deb kernel packages'
220 @echo ' srcdeb-pkg - Build only the source kernel deb package'
221 @echo ' bindeb-pkg - Build only the binary kernel deb package'
222 @echo ' snap-pkg - Build only the binary kernel snap package'
223 @echo ' (will connect to external hosts)'
224 @echo ' dir-pkg - Build the kernel as a plain directory structure'
225 @echo ' tar-pkg - Build the kernel as an uncompressed tarball'
226 @echo ' targz-pkg - Build the kernel as a gzip compressed tarball'
227 @echo ' tarbz2-pkg - Build the kernel as a bzip2 compressed tarball'
228 @echo ' tarxz-pkg - Build the kernel as a xz compressed tarball'
229 @echo ' tarzst-pkg - Build the kernel as a zstd compressed tarball'
230 @echo ' perf-tar-src-pkg - Build the perf source tarball with no compression'
231 @echo ' perf-targz-src-pkg - Build the perf source tarball with gzip compression'
232 @echo ' perf-tarbz2-src-pkg - Build the perf source tarball with bz2 compression'
233 @echo ' perf-tarxz-src-pkg - Build the perf source tarball with xz compression'
234 @echo ' perf-tarzst-src-pkg - Build the perf source tarball with zst compression'
235
236PHONY += FORCE
237FORCE:
238
239# Read all saved command lines and dependencies for the $(targets) we
240# may be building above, using $(if_changed{,_dep}). As an
241# optimization, we don't need to read them if the target does not
242# exist, we will rebuild anyway in that case.
243
244existing-targets := $(wildcard $(sort $(targets)))
245
246-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
247
248.PHONY: $(PHONY)