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91 @echo config-host.mak is out-of-date, running configure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