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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
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17SHELL = /usr/bin/env bash -o pipefail
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
50
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51git_module_status := $(shell \
52 cd '$(SRC_PATH)' && \
53 GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \
54 echo $$?; \
55)
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56
57ifeq (1,$(git_module_status))
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58ifeq (no,$(GIT_UPDATE))
59git-submodule-update:
60 $(call quiet-command, \
61 echo && \
62 echo "GIT submodule checkout is out of date. Please run" && \
63 echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \
64 echo "from the source directory checkout $(SRC_PATH)" && \
65 echo && \
66 exit 1)
67else
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68git-submodule-update:
69 $(call quiet-command, \
cc84d63a 70 (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \
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71 "GIT","$(GIT_SUBMODULES)")
72endif
73endif
74
09e93326 75# 0. ensure the build tree is okay
a5665051 76
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77# Check that we're not trying to do an out-of-tree build from
78# a tree that's been used for an in-tree build.
79ifneq ($(realpath $(SRC_PATH)),$(realpath .))
80ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
81$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
82seems to have been used for an in-tree build. You can fix this by running \
b98a3bae 83"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
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84endif
85endif
86
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87# force a rerun of configure if config-host.mak is too old or corrupted
88ifeq ($(MESON),)
89.PHONY: config-host.mak
90x := $(shell rm -rf meson-private meson-info meson-logs)
91endif
92ifeq ($(NINJA),)
93.PHONY: config-host.mak
94x := $(shell rm -rf meson-private meson-info meson-logs)
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95else
96export NINJA
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97endif
98ifeq ($(wildcard build.ninja),)
99.PHONY: config-host.mak
100x := $(shell rm -rf meson-private meson-info meson-logs)
101endif
102
09e93326 103# 1. ensure config-host.mak is up-to-date
3a6b016d 104config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
5914ef77 105 @echo config-host.mak is out-of-date, running configure
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106 @if test -f meson-private/coredata.dat; then \
107 ./config.status --skip-meson; \
108 else \
5914ef77 109 ./config.status && touch build.ninja.stamp; \
a5665051 110 fi
26fffe29 111
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112# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
113# works), but otherwise never needs to be updated
114meson-private/coredata.dat: meson.stamp
115meson.stamp: config-host.mak
116 @touch meson.stamp
117
118# 3. ensure generated build files are up-to-date
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119
120ifneq ($(NINJA),)
09e93326 121Makefile.ninja: build.ninja
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122 $(quiet-@){ \
123 echo 'ninja-targets = \'; \
124 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
125 echo 'build-files = \'; \
126 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
127 } > $@.tmp && mv $@.tmp $@
09e93326 128-include Makefile.ninja
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129
130# A separate rule is needed for Makefile dependencies to avoid -n
131build.ninja: build.ninja.stamp
132build.ninja.stamp: meson.stamp $(build-files)
133 $(NINJA) $(if $V,-v,) build.ninja && touch $@
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134endif
135
136ifneq ($(MESON),)
5914ef77 137Makefile.mtest: build.ninja scripts/mtest2make.py
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138 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
139-include Makefile.mtest
140endif
141
5914ef77 142# 4. Rules to bridge to other makefiles
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143
144ifneq ($(NINJA),)
145NINJAFLAGS = $(if $V,-v,) \
146 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
147 $(subst -k, -k0, $(filter -n -k,$(MAKEFLAGS)))
148
149ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
150ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t))
151
152makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
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153# "ninja -t targets" also lists all prerequisites. If build system
154# files are marked as PHONY, however, Make will always try to execute
155# "ninja build.ninja".
156ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
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157.PHONY: $(ninja-targets) run-ninja
158$(ninja-targets): run-ninja
159
160# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
161# --output-sync line.
162run-ninja: config-host.mak
163ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
164 +@$(NINJA) $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat
165endif
166endif
167
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168# Force configure to re-run if the API symbols are updated
169ifeq ($(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
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206clean: recurse-clean
207 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean || :
208 -@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
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225distclean: clean
226 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean -g || :
acfdaac5 227 rm -f config-host.mak config-host.h*
2038f8c8 228 rm -f tests/tcg/config-*.mak
2becc36a 229 rm -f config-all-disas.mak config.status
e8f3bd71 230 rm -f tests/qemu-iotests/common.env
fc8e320e 231 rm -f roms/seabios/config.mak roms/vgabios/config.mak
26fffe29 232 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
64ed6f92 233 rm -f *-config-target.h *-config-devices.mak *-config-devices.h
a5665051 234 rm -rf meson-private meson-logs meson-info compile_commands.json
5914ef77 235 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
793553ac 236 rm -f config.log
67ed96f9 237 rm -f linux-headers/asm
d9840e25 238 rm -Rf .sdk
7d13299d 239
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240find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]"
241
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242.PHONY: ctags
243ctags:
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244 rm -f "$(SRC_PATH)/"tags
245 $(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} +
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246
247.PHONY: TAGS
248TAGS:
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249 rm -f "$(SRC_PATH)/"TAGS
250 $(find-src-path) -exec etags -f "$(SRC_PATH)/"TAGS --append {} +
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251
252.PHONY: cscope
253cscope:
254 rm -f "$(SRC_PATH)"/cscope.*
c857f905 255 $(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
e90df5ea 256 cscope -b -i"$(SRC_PATH)/cscope.files" -f"$(SRC_PATH)"/cscope.out
d7986405 257
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258# Needed by "meson install"
259export DESTDIR
612384d7 260
324027c2 261include $(SRC_PATH)/tests/docker/Makefile.include
b1fb9a63 262include $(SRC_PATH)/tests/vm/Makefile.include
0d8e065f 263
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264print-help-run = printf " %-30s - %s\\n" "$1" "$2"
265print-help = $(quiet-@)$(call print-help-run,$1,$2)
266
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267.PHONY: help
268help:
269 @echo 'Generic targets:'
c355de59 270 $(call print-help,all,Build all)
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271 $(call print-help,dir/file.o,Build specified target only)
272 $(call print-help,install,Install QEMU, documentation and tools)
273 $(call print-help,ctags/TAGS,Generate tags file for editors)
274 $(call print-help,cscope,Generate cscope index)
968b4db3 275 $(call print-help,sparse,Run sparse on the QEMU source)
0d8e065f 276 @echo ''
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277ifeq ($(CONFIG_PLUGIN),y)
278 @echo 'Plugin targets:'
279 $(call print-help,plugins,Build the example TCG plugins)
280 @echo ''
281endif
0d8e065f 282 @echo 'Cleaning targets:'
c355de59 283 $(call print-help,clean,Remove most generated files but keep the config)
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284 $(call print-help,distclean,Remove all generated files)
285 $(call print-help,dist,Build a distributable tarball)
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286 @echo ''
287 @echo 'Test targets:'
c355de59 288 $(call print-help,check,Run all tests (check-help for details))
9ed7247a 289 $(call print-help,bench,Run all benchmarks)
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290 $(call print-help,docker,Help about targets running tests inside containers)
291 $(call print-help,vm-help,Help about targets running tests inside VM)
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292 @echo ''
293 @echo 'Documentation targets:'
4ac2ee19 294 $(call print-help,html man,Build documentation in specified format)
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295 @echo ''
296ifdef CONFIG_WIN32
297 @echo 'Windows targets:'
c355de59 298 $(call print-help,installer,Build NSIS-based installer for QEMU)
4bad7c3b 299ifdef CONFIG_QGA_MSI
c355de59 300 $(call print-help,msi,Build MSI-based installer for qemu-ga)
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301endif
302 @echo ''
303endif
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304 $(call print-help,$(MAKE) [targets],(quiet build, default))
305 $(call print-help,$(MAKE) V=1 [targets],(verbose build))
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306
307# will delete the target of a rule if commands exit with a nonzero exit status
308.DELETE_ON_ERROR:
309
310print-%:
311 @echo '$*=$($*)'