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1# Makefile for QEMU.
2
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3ifneq ($(words $(subst :, ,$(CURDIR))), 1)
4 $(error main directory cannot contain spaces nor colons)
5endif
6
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7# Always point to the root of the build tree (needs GNU make).
8BUILD_DIR=$(CURDIR)
388d4758 9
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10# Before including a proper config-host.mak, assume we are in the source tree
11SRC_PATH=.
12
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13# Don't use implicit rules or variables
14# we have explicit rules for everything
15MAKEFLAGS += -rR
16
bc054393 17SHELL = bash -o pipefail
3bf45835 18
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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.
25quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1
26quiet-@ = $(if $(V),,@)
27quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
28
28fa2927 29UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
de1da442 30 help check-help print-% \
4f2f6276 31 docker docker-% vm-help vm-test vm-build-%
eaa2ddbb 32
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33all:
34.PHONY: all clean distclean recurse-all dist msi FORCE
35
36# Don't try to regenerate Makefile or configure
37# We don't generate any of them
38Makefile: ;
39configure: ;
40
250b086e 41# All following code might depend on configuration variables
55d7e8f6 42ifneq ($(wildcard config-host.mak),)
ad064840 43include config-host.mak
d1bd2423 44
aef45d51 45git-submodule-update:
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46.git-submodule-status: git-submodule-update config-host.mak
47Makefile: .git-submodule-status
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48
49.PHONY: git-submodule-update
aef45d51 50git-submodule-update:
2d652f24 51ifneq ($(GIT_SUBMODULES_ACTION),ignore)
aef45d51 52 $(call quiet-command, \
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53 (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
54 "GIT","$(GIT_SUBMODULES)")
2d652f24 55endif
aef45d51 56
09e93326 57# 0. ensure the build tree is okay
a5665051 58
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59# Check that we're not trying to do an out-of-tree build from
60# a tree that's been used for an in-tree build.
61ifneq ($(realpath $(SRC_PATH)),$(realpath .))
62ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
63$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
64seems to have been used for an in-tree build. You can fix this by running \
b98a3bae 65"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
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66endif
67endif
68
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69# force a rerun of configure if config-host.mak is too old or corrupted
70ifeq ($(MESON),)
71.PHONY: config-host.mak
72x := $(shell rm -rf meson-private meson-info meson-logs)
73endif
74ifeq ($(NINJA),)
75.PHONY: config-host.mak
76x := $(shell rm -rf meson-private meson-info meson-logs)
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77else
78export NINJA
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79endif
80ifeq ($(wildcard build.ninja),)
81.PHONY: config-host.mak
82x := $(shell rm -rf meson-private meson-info meson-logs)
83endif
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84ifeq ($(origin prefix),file)
85.PHONY: config-host.mak
86x := $(shell rm -rf meson-private meson-info meson-logs)
87endif
2b8575bd 88
09e93326 89# 1. ensure config-host.mak is up-to-date
61d63097 90config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
5914ef77 91 @echo config-host.mak is out-of-date, running configure
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92 @if test -f meson-private/coredata.dat; then \
93 ./config.status --skip-meson; \
94 else \
5914ef77 95 ./config.status && touch build.ninja.stamp; \
a5665051 96 fi
26fffe29 97
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98# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
99# works), but otherwise never needs to be updated
100meson-private/coredata.dat: meson.stamp
101meson.stamp: config-host.mak
102 @touch meson.stamp
103
104# 3. ensure generated build files are up-to-date
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105
106ifneq ($(NINJA),)
09e93326 107Makefile.ninja: build.ninja
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108 $(quiet-@){ \
109 echo 'ninja-targets = \'; \
110 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
111 echo 'build-files = \'; \
112 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
113 } > $@.tmp && mv $@.tmp $@
09e93326 114-include Makefile.ninja
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115
116# A separate rule is needed for Makefile dependencies to avoid -n
117build.ninja: build.ninja.stamp
fc5db021 118$(build-files):
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119build.ninja.stamp: meson.stamp $(build-files)
120 $(NINJA) $(if $V,-v,) build.ninja && touch $@
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121endif
122
123ifneq ($(MESON),)
5914ef77 124Makefile.mtest: build.ninja scripts/mtest2make.py
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125 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
126-include Makefile.mtest
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127
128.PHONY: update-buildoptions
129all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh
130$(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt
131 $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \
132 scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@
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133endif
134
5914ef77 135# 4. Rules to bridge to other makefiles
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136
137ifneq ($(NINJA),)
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138# Filter out long options to avoid flags like --no-print-directory which
139# may result in false positive match for MAKE.n
140MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS))))
141MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS))))
142MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS))))
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143MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
144NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
09e93326 145 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
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146
147ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
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148ninja-cmd-goals += $(foreach t, $(.check.build-suites), $(.check-$t.deps))
149ninja-cmd-goals += $(foreach t, $(.bench.build-suites), $(.bench-$t.deps))
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150
151makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
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152# "ninja -t targets" also lists all prerequisites. If build system
153# files are marked as PHONY, however, Make will always try to execute
154# "ninja build.ninja".
155ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
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156.PHONY: $(ninja-targets) run-ninja
157$(ninja-targets): run-ninja
158
159# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
160# --output-sync line.
161run-ninja: config-host.mak
162ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
ff012d9a 163 +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \
c8e6cfba 164 $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
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165endif
166endif
167
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168# Force configure to re-run if the API symbols are updated
169ifeq ($(CONFIG_PLUGIN),y)
170config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
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171
172.PHONY: plugins
173plugins:
174 $(call quiet-command,\
175 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
176 "BUILD", "example plugins")
2b8575bd 177endif # $(CONFIG_PLUGIN)
26fffe29 178
2b8575bd 179else # config-host.mak does not exist
55d7e8f6 180config-host.mak:
eaa2ddbb 181ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
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182 @echo "Please call configure before running make!"
183 @exit 1
184endif
2b8575bd 185endif # config-host.mak does not exist
766a487a 186
660f7930 187SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
a992fe3d 188
46e7b706 189include $(SRC_PATH)/tests/Makefile.include
992aeb8e 190
484e2cc7 191all: recurse-all
675b9b53 192
3b8593ee 193ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
1338a4b7 194ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
a9c87304 195# Only keep -O and -g cflags
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196.PHONY: $(ROM_DIRS_RULES)
197$(ROM_DIRS_RULES):
49b7d744 198 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
c05ac895 199
5e6d1573 200.PHONY: recurse-all recurse-clean
49b7d744 201recurse-all: $(addsuffix /all, $(ROM_DIRS))
5e6d1573 202recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
83f64091 203
44dc0ca3 204######################################################################
4fb240a4 205
09e93326 206clean: recurse-clean
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207 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
208 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
2d80ae89 209# avoid old build problems by removing potentially incorrect old files
25be210f 210 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
484e2cc7 211 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
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212 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
213 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
23858f40 214 -exec rm {} +
c3a0ee84 215 rm -f TAGS cscope.* *.pod *~ */*~
b855f8d1 216 rm -f fsdev/*.pod scsi/*.pod
31e31b8a 217
859aef02 218VERSION = $(shell cat $(SRC_PATH)/VERSION)
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219
220dist: qemu-$(VERSION).tar.bz2
221
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222qemu-%.tar.bz2:
223 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
224
09e93326 225distclean: clean
1023e003 226 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
e0447a83 227 rm -f config-host.mak config-host.h* config-poison.h
2038f8c8 228 rm -f tests/tcg/config-*.mak
2becc36a 229 rm -f config-all-disas.mak config.status
fc8e320e 230 rm -f roms/seabios/config.mak roms/vgabios/config.mak
26fffe29 231 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
64ed6f92 232 rm -f *-config-target.h *-config-devices.mak *-config-devices.h
a5665051 233 rm -rf meson-private meson-logs meson-info compile_commands.json
5914ef77 234 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
793553ac 235 rm -f config.log
67ed96f9 236 rm -f linux-headers/asm
d9840e25 237 rm -Rf .sdk
7d13299d 238
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239find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
240 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
c857f905 241
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242.PHONY: ctags
243ctags:
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244 $(call quiet-command, \
245 rm -f "$(SRC_PATH)/"tags, \
246 "CTAGS", "Remove old tags")
247 $(call quiet-command, \
248 $(find-src-path) -exec ctags \
249 -f "$(SRC_PATH)/"tags --append {} +, \
250 "CTAGS", "Re-index $(SRC_PATH)")
d7986405 251
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252.PHONY: gtags
253gtags:
254 $(call quiet-command, \
255 rm -f "$(SRC_PATH)/"GTAGS; \
256 rm -f "$(SRC_PATH)/"GRTAGS; \
257 rm -f "$(SRC_PATH)/"GPATH, \
258 "GTAGS", "Remove old $@ files")
259 $(call quiet-command, \
260 (cd $(SRC_PATH) && \
b8c9ed15 261 $(find-src-path) -print | gtags -f -), \
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262 "GTAGS", "Re-index $(SRC_PATH)")
263
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264.PHONY: TAGS
265TAGS:
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266 $(call quiet-command, \
267 rm -f "$(SRC_PATH)/"TAGS, \
268 "TAGS", "Remove old $@")
269 $(call quiet-command, \
270 $(find-src-path) -exec etags \
271 -f "$(SRC_PATH)/"TAGS --append {} +, \
272 "TAGS", "Re-index $(SRC_PATH)")
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273
274.PHONY: cscope
275cscope:
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276 $(call quiet-command, \
277 rm -f "$(SRC_PATH)/"cscope.* , \
278 "cscope", "Remove old $@ files")
279 $(call quiet-command, \
280 ($(find-src-path) -print | sed -e 's,^\./,,' \
281 > "$(SRC_PATH)/cscope.files"), \
282 "cscope", "Create file list")
283 $(call quiet-command, \
284 cscope -b -i"$(SRC_PATH)/cscope.files" \
285 -f"$(SRC_PATH)"/cscope.out, \
286 "cscope", "Re-index $(SRC_PATH)")
d7986405 287
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288# Needed by "meson install"
289export DESTDIR
612384d7 290
324027c2 291include $(SRC_PATH)/tests/docker/Makefile.include
b1fb9a63 292include $(SRC_PATH)/tests/vm/Makefile.include
0d8e065f 293
c355de59 294print-help-run = printf " %-30s - %s\\n" "$1" "$2"
784106ec 295print-help = @$(call print-help-run,$1,$2)
c355de59 296
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297.PHONY: help
298help:
299 @echo 'Generic targets:'
c355de59 300 $(call print-help,all,Build all)
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301 $(call print-help,dir/file.o,Build specified target only)
302 $(call print-help,install,Install QEMU, documentation and tools)
b8a32254 303 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
c355de59 304 $(call print-help,cscope,Generate cscope index)
968b4db3 305 $(call print-help,sparse,Run sparse on the QEMU source)
0d8e065f 306 @echo ''
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307ifeq ($(CONFIG_PLUGIN),y)
308 @echo 'Plugin targets:'
309 $(call print-help,plugins,Build the example TCG plugins)
310 @echo ''
311endif
0d8e065f 312 @echo 'Cleaning targets:'
c355de59 313 $(call print-help,clean,Remove most generated files but keep the config)
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314 $(call print-help,distclean,Remove all generated files)
315 $(call print-help,dist,Build a distributable tarball)
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316 @echo ''
317 @echo 'Test targets:'
c355de59 318 $(call print-help,check,Run all tests (check-help for details))
9ed7247a 319 $(call print-help,bench,Run all benchmarks)
6147c249 320 $(call print-help,docker-help,Help about targets running tests inside containers)
c355de59 321 $(call print-help,vm-help,Help about targets running tests inside VM)
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322 @echo ''
323 @echo 'Documentation targets:'
4ac2ee19 324 $(call print-help,html man,Build documentation in specified format)
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325 @echo ''
326ifdef CONFIG_WIN32
327 @echo 'Windows targets:'
c355de59 328 $(call print-help,installer,Build NSIS-based installer for QEMU)
c355de59 329 $(call print-help,msi,Build MSI-based installer for qemu-ga)
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330 @echo ''
331endif
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332 $(call print-help,$(MAKE) [targets],(quiet build, default))
333 $(call print-help,$(MAKE) V=1 [targets],(verbose build))
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334
335# will delete the target of a rule if commands exit with a nonzero exit status
336.DELETE_ON_ERROR:
337
338print-%:
339 @echo '$*=$($*)'