Merge tag 'pull-target-arm-20230203' of https://git.linaro.org/people/pmaydell/qemu...
[qemu.git] / Makefile
1 # Makefile for QEMU.
2
3 ifneq ($(words $(subst :, ,$(CURDIR))), 1)
4 $(error main directory cannot contain spaces nor colons)
5 endif
6
7 # Always point to the root of the build tree (needs GNU make).
8 BUILD_DIR=$(CURDIR)
9
10 # Before including a proper config-host.mak, assume we are in the source tree
11 SRC_PATH=.
12
13 # Don't use implicit rules or variables
14 # we have explicit rules for everything
15 MAKEFLAGS += -rR
16
17 SHELL = bash -o pipefail
18
19 # Usage: $(call quiet-command,command and args,"NAME","args to print")
20 # This will run "command and args", and either:
21 # if V=1 just print the whole command and args
22 # otherwise print the 'quiet' output in the format " NAME args to print"
23 # NAME should be a short name of the command, 7 letters or fewer.
24 # If called with only a single argument, will print nothing in quiet mode.
25 quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1
26 quiet-@ = $(if $(V),,@)
27 quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
28
29 UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
30 help check-help print-% \
31 docker docker-% vm-help vm-test vm-build-%
32
33 all:
34 .PHONY: all clean distclean recurse-all dist msi FORCE
35
36 # Don't try to regenerate Makefile or configure
37 # We don't generate any of them
38 Makefile: ;
39 configure: ;
40
41 # All following code might depend on configuration variables
42 ifneq ($(wildcard config-host.mak),)
43 include config-host.mak
44
45 include Makefile.prereqs
46 Makefile.prereqs: config-host.mak
47
48 git-submodule-update:
49 .git-submodule-status: git-submodule-update config-host.mak
50 Makefile: .git-submodule-status
51
52 .PHONY: git-submodule-update
53 git-submodule-update:
54 ifneq ($(GIT_SUBMODULES_ACTION),ignore)
55 $(call quiet-command, \
56 (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
57 "GIT","$(GIT_SUBMODULES)")
58 endif
59
60 # 0. ensure the build tree is okay
61
62 # Check that we're not trying to do an out-of-tree build from
63 # a tree that's been used for an in-tree build.
64 ifneq ($(realpath $(SRC_PATH)),$(realpath .))
65 ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
66 $(error This is an out of tree build but your source tree ($(SRC_PATH)) \
67 seems to have been used for an in-tree build. You can fix this by running \
68 "$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
69 endif
70 endif
71
72 # force a rerun of configure if config-host.mak is too old or corrupted
73 ifeq ($(MESON),)
74 .PHONY: config-host.mak
75 x := $(shell rm -rf meson-private meson-info meson-logs)
76 endif
77 ifeq ($(NINJA),)
78 .PHONY: config-host.mak
79 x := $(shell rm -rf meson-private meson-info meson-logs)
80 else
81 export NINJA
82 endif
83 ifeq ($(wildcard build.ninja),)
84 .PHONY: config-host.mak
85 x := $(shell rm -rf meson-private meson-info meson-logs)
86 endif
87 ifeq ($(origin prefix),file)
88 .PHONY: config-host.mak
89 x := $(shell rm -rf meson-private meson-info meson-logs)
90 endif
91
92 # 1. ensure config-host.mak is up-to-date
93 config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/VERSION
94 @echo config-host.mak is out-of-date, running configure
95 @if test -f meson-private/coredata.dat; then \
96 ./config.status --skip-meson; \
97 else \
98 ./config.status && touch build.ninja.stamp; \
99 fi
100
101 # 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
102 # works), but otherwise never needs to be updated
103 meson-private/coredata.dat: meson.stamp
104 meson.stamp: config-host.mak
105 @touch meson.stamp
106
107 # 3. ensure generated build files are up-to-date
108
109 ifneq ($(NINJA),)
110 Makefile.ninja: build.ninja
111 $(quiet-@){ \
112 echo 'ninja-targets = \'; \
113 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
114 echo 'build-files = \'; \
115 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
116 } > $@.tmp && mv $@.tmp $@
117 -include Makefile.ninja
118
119 # A separate rule is needed for Makefile dependencies to avoid -n
120 build.ninja: build.ninja.stamp
121 $(build-files):
122 build.ninja.stamp: meson.stamp $(build-files)
123 $(NINJA) $(if $V,-v,) build.ninja && touch $@
124 endif
125
126 ifneq ($(MESON),)
127 Makefile.mtest: build.ninja scripts/mtest2make.py
128 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
129 -include Makefile.mtest
130
131 .PHONY: update-buildoptions
132 all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh
133 $(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt
134 $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \
135 scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@
136 endif
137
138 # 4. Rules to bridge to other makefiles
139
140 ifneq ($(NINJA),)
141 # Filter out long options to avoid flags like --no-print-directory which
142 # may result in false positive match for MAKE.n
143 MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS))))
144 MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS))))
145 MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS))))
146 MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
147 NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
148 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
149 -d keepdepfile
150 ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
151 ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g))
152
153 makefile-targets := build.ninja ctags TAGS cscope dist clean
154 # "ninja -t targets" also lists all prerequisites. If build system
155 # files are marked as PHONY, however, Make will always try to execute
156 # "ninja build.ninja".
157 ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
158 .PHONY: $(ninja-targets) run-ninja
159 $(ninja-targets): run-ninja
160
161 # Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
162 # --output-sync line.
163 run-ninja: config-host.mak
164 ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
165 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \
166 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
167 endif
168 endif
169
170 ifeq ($(CONFIG_PLUGIN),y)
171 .PHONY: plugins
172 plugins:
173 $(call quiet-command,\
174 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
175 "BUILD", "example plugins")
176 endif # $(CONFIG_PLUGIN)
177
178 else # config-host.mak does not exist
179 config-host.mak:
180 ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
181 @echo "Please call configure before running make!"
182 @exit 1
183 endif
184 endif # config-host.mak does not exist
185
186 SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
187
188 include $(SRC_PATH)/tests/Makefile.include
189
190 all: recurse-all
191
192 ROMS_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(ROMS)))
193 .PHONY: $(ROMS_RULES)
194 $(ROMS_RULES):
195 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
196
197 .PHONY: recurse-all recurse-clean
198 recurse-all: $(addsuffix /all, $(ROMS))
199 recurse-clean: $(addsuffix /clean, $(ROMS))
200 recurse-distclean: $(addsuffix /distclean, $(ROMS))
201
202 ######################################################################
203
204 clean: recurse-clean
205 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
206 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
207 find . \( -name '*.so' -o -name '*.dll' -o \
208 -name '*.[oda]' -o -name '*.gcno' \) -type f \
209 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
210 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
211 -exec rm {} +
212 rm -f TAGS cscope.* *~ */*~
213
214 VERSION = $(shell cat $(SRC_PATH)/VERSION)
215
216 dist: qemu-$(VERSION).tar.bz2
217
218 qemu-%.tar.bz2:
219 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
220
221 distclean: clean recurse-distclean
222 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
223 rm -f config-host.mak Makefile.prereqs qemu-bundle
224 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak
225 rm -f config.status
226 rm -f roms/seabios/config.mak
227 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
228 rm -f *-config-target.h *-config-devices.mak *-config-devices.h
229 rm -rf meson-private meson-logs meson-info compile_commands.json
230 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
231 rm -f config.log
232 rm -f linux-headers/asm
233 rm -Rf .sdk
234
235 find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
236 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
237
238 .PHONY: ctags
239 ctags:
240 $(call quiet-command, \
241 rm -f "$(SRC_PATH)/"tags, \
242 "CTAGS", "Remove old tags")
243 $(call quiet-command, \
244 $(find-src-path) -exec ctags \
245 -f "$(SRC_PATH)/"tags --append {} +, \
246 "CTAGS", "Re-index $(SRC_PATH)")
247
248 .PHONY: gtags
249 gtags:
250 $(call quiet-command, \
251 rm -f "$(SRC_PATH)/"GTAGS; \
252 rm -f "$(SRC_PATH)/"GRTAGS; \
253 rm -f "$(SRC_PATH)/"GPATH, \
254 "GTAGS", "Remove old $@ files")
255 $(call quiet-command, \
256 (cd $(SRC_PATH) && \
257 $(find-src-path) -print | gtags -f -), \
258 "GTAGS", "Re-index $(SRC_PATH)")
259
260 .PHONY: TAGS
261 TAGS:
262 $(call quiet-command, \
263 rm -f "$(SRC_PATH)/"TAGS, \
264 "TAGS", "Remove old $@")
265 $(call quiet-command, \
266 $(find-src-path) -exec etags \
267 -f "$(SRC_PATH)/"TAGS --append {} +, \
268 "TAGS", "Re-index $(SRC_PATH)")
269
270 .PHONY: cscope
271 cscope:
272 $(call quiet-command, \
273 rm -f "$(SRC_PATH)/"cscope.* , \
274 "cscope", "Remove old $@ files")
275 $(call quiet-command, \
276 ($(find-src-path) -print | sed -e 's,^\./,,' \
277 > "$(SRC_PATH)/cscope.files"), \
278 "cscope", "Create file list")
279 $(call quiet-command, \
280 cscope -b -i"$(SRC_PATH)/cscope.files" \
281 -f"$(SRC_PATH)"/cscope.out, \
282 "cscope", "Re-index $(SRC_PATH)")
283
284 # Needed by "meson install"
285 export DESTDIR
286
287 include $(SRC_PATH)/tests/lcitool/Makefile.include
288 include $(SRC_PATH)/tests/docker/Makefile.include
289 include $(SRC_PATH)/tests/vm/Makefile.include
290
291 print-help-run = printf " %-30s - %s\\n" "$1" "$2"
292 print-help = @$(call print-help-run,$1,$2)
293
294 .PHONY: help
295 help:
296 @echo 'Generic targets:'
297 $(call print-help,all,Build all)
298 $(call print-help,dir/file.o,Build specified target only)
299 $(call print-help,install,Install QEMU, documentation and tools)
300 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
301 $(call print-help,cscope,Generate cscope index)
302 $(call print-help,sparse,Run sparse on the QEMU source)
303 @echo ''
304 ifeq ($(CONFIG_PLUGIN),y)
305 @echo 'Plugin targets:'
306 $(call print-help,plugins,Build the example TCG plugins)
307 @echo ''
308 endif
309 @echo 'Cleaning targets:'
310 $(call print-help,clean,Remove most generated files but keep the config)
311 $(call print-help,distclean,Remove all generated files)
312 $(call print-help,dist,Build a distributable tarball)
313 @echo ''
314 @echo 'Test targets:'
315 $(call print-help,check,Run all tests (check-help for details))
316 $(call print-help,bench,Run all benchmarks)
317 $(call print-help,lcitool-help,Help about targets for managing build environment manifests)
318 $(call print-help,docker-help,Help about targets running tests inside containers)
319 $(call print-help,vm-help,Help about targets running tests inside VM)
320 @echo ''
321 @echo 'Documentation targets:'
322 $(call print-help,html man,Build documentation in specified format)
323 @echo ''
324 ifdef CONFIG_WIN32
325 @echo 'Windows targets:'
326 $(call print-help,installer,Build NSIS-based installer for QEMU)
327 $(call print-help,msi,Build MSI-based installer for qemu-ga)
328 @echo ''
329 endif
330 $(call print-help,$(MAKE) [targets],(quiet build, default))
331 $(call print-help,$(MAKE) V=1 [targets],(verbose build))
332
333 # will delete the target of a rule if commands exit with a nonzero exit status
334 .DELETE_ON_ERROR:
335
336 print-%:
337 @echo '$*=$($*)'