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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,$3)
28
6fd87e74 29UNCHECKED_GOALS := TAGS gtags cscope ctags dist \
de1da442 30 help check-help print-% \
369dbbe0 31 docker docker-% lcitool-refresh vm-help vm-test vm-build-%
eaa2ddbb 32
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33all:
34.PHONY: all clean distclean recurse-all dist msi FORCE
35
36# Don't try to regenerate Makefile or configure
37# We don't generate any of them
38Makefile: ;
39configure: ;
40
250b086e 41# All following code might depend on configuration variables
55d7e8f6 42ifneq ($(wildcard config-host.mak),)
ad064840 43include config-host.mak
d1bd2423 44
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45include Makefile.prereqs
46Makefile.prereqs: config-host.mak
47
09e93326 48# 0. ensure the build tree is okay
a5665051 49
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50# Check that we're not trying to do an out-of-tree build from
51# a tree that's been used for an in-tree build.
52ifneq ($(realpath $(SRC_PATH)),$(realpath .))
53ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
54$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
55seems to have been used for an in-tree build. You can fix this by running \
b98a3bae 56"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
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57endif
58endif
59
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60# force a rerun of configure if config-host.mak is too old or corrupted
61ifeq ($(MESON),)
62.PHONY: config-host.mak
63x := $(shell rm -rf meson-private meson-info meson-logs)
64endif
65ifeq ($(NINJA),)
66.PHONY: config-host.mak
67x := $(shell rm -rf meson-private meson-info meson-logs)
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68else
69export NINJA
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70endif
71ifeq ($(wildcard build.ninja),)
72.PHONY: config-host.mak
73x := $(shell rm -rf meson-private meson-info meson-logs)
74endif
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75ifeq ($(origin prefix),file)
76.PHONY: config-host.mak
77x := $(shell rm -rf meson-private meson-info meson-logs)
78endif
2b8575bd 79
09e93326 80# 1. ensure config-host.mak is up-to-date
7e270af2 81config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/VERSION
5914ef77 82 @echo config-host.mak is out-of-date, running configure
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83 @if test -f meson-private/coredata.dat; then \
84 ./config.status --skip-meson; \
85 else \
6c5f893d 86 ./config.status; \
a5665051 87 fi
26fffe29 88
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89# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
90# works), but otherwise never needs to be updated
6c5f893d 91
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92meson-private/coredata.dat: meson.stamp
93meson.stamp: config-host.mak
94 @touch meson.stamp
95
6c5f893d 96# 3. ensure meson-generated build files are up-to-date
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97
98ifneq ($(NINJA),)
09e93326 99Makefile.ninja: build.ninja
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100 $(quiet-@){ \
101 echo 'ninja-targets = \'; \
102 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
103 echo 'build-files = \'; \
104 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
105 } > $@.tmp && mv $@.tmp $@
09e93326 106-include Makefile.ninja
b0fcc6fc 107endif
5914ef77 108
b0fcc6fc 109ifneq ($(MESON),)
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110# The path to meson always points to pyvenv/bin/meson, but the absolute
111# paths could change. In that case, force a regeneration of build.ninja.
112# Note that this invocation of $(NINJA), just like when Make rebuilds
113# Makefiles, does not include -n.
5914ef77 114build.ninja: build.ninja.stamp
fc5db021 115$(build-files):
5914ef77 116build.ninja.stamp: meson.stamp $(build-files)
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117 @if test "$$(cat build.ninja.stamp)" = "$(MESON)" && test -n "$(NINJA)"; then \
118 $(NINJA) build.ninja; \
119 else \
120 echo "$(MESON) setup --reconfigure $(SRC_PATH)"; \
121 $(MESON) setup --reconfigure $(SRC_PATH); \
122 fi && echo "$(MESON)" > $@
09e93326 123
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)))) \
231ca963 146 -d keepdepfile
09e93326 147ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
9ee37d3b 148ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g))
09e93326 149
6e6761d8 150makefile-targets := build.ninja ctags TAGS cscope dist clean
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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".
154ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
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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.
160run-ninja: config-host.mak
161ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
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162 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \
163 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
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164endif
165endif
166
2b8575bd 167else # config-host.mak does not exist
eaa2ddbb 168ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
6fd87e74 169$(error Please call configure before running make)
55d7e8f6 170endif
2b8575bd 171endif # config-host.mak does not exist
766a487a 172
660f7930 173SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
a992fe3d 174
46e7b706 175include $(SRC_PATH)/tests/Makefile.include
992aeb8e 176
484e2cc7 177all: recurse-all
675b9b53 178
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179SUBDIR_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(SUBDIRS)))
180.PHONY: $(SUBDIR_RULES)
181$(SUBDIR_RULES):
49b7d744 182 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
c05ac895 183
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184ifneq ($(filter contrib/plugins, $(SUBDIRS)),)
185.PHONY: plugins
186plugins: contrib/plugins/all
187endif
188
5e6d1573 189.PHONY: recurse-all recurse-clean
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190recurse-all: $(addsuffix /all, $(SUBDIRS))
191recurse-clean: $(addsuffix /clean, $(SUBDIRS))
192recurse-distclean: $(addsuffix /distclean, $(SUBDIRS))
83f64091 193
44dc0ca3 194######################################################################
4fb240a4 195
09e93326 196clean: recurse-clean
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197 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
198 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
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199 find . \( -name '*.so' -o -name '*.dll' -o \
200 -name '*.[oda]' -o -name '*.gcno' \) -type f \
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201 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
202 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
23858f40 203 -exec rm {} +
9da9be2c 204 rm -f TAGS cscope.* *~ */*~
31e31b8a 205
859aef02 206VERSION = $(shell cat $(SRC_PATH)/VERSION)
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207
208dist: qemu-$(VERSION).tar.bz2
209
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210qemu-%.tar.bz2:
211 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
212
4a3447e5 213distclean: clean recurse-distclean
1023e003 214 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
d31d2404 215 rm -f config-host.mak Makefile.prereqs
c7022a70 216 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak
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217 rm -f config.status
218 rm -f roms/seabios/config.mak
26fffe29 219 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
64ed6f92 220 rm -f *-config-target.h *-config-devices.mak *-config-devices.h
a5665051 221 rm -rf meson-private meson-logs meson-info compile_commands.json
5914ef77 222 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
793553ac 223 rm -f config.log
67ed96f9 224 rm -f linux-headers/asm
d31d2404 225 rm -Rf .sdk qemu-bundle
7d13299d 226
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227find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
228 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
c857f905 229
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230.PHONY: ctags
231ctags:
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232 $(call quiet-command, \
233 rm -f "$(SRC_PATH)/"tags, \
234 "CTAGS", "Remove old tags")
235 $(call quiet-command, \
236 $(find-src-path) -exec ctags \
237 -f "$(SRC_PATH)/"tags --append {} +, \
238 "CTAGS", "Re-index $(SRC_PATH)")
d7986405 239
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240.PHONY: gtags
241gtags:
242 $(call quiet-command, \
243 rm -f "$(SRC_PATH)/"GTAGS; \
244 rm -f "$(SRC_PATH)/"GRTAGS; \
245 rm -f "$(SRC_PATH)/"GPATH, \
246 "GTAGS", "Remove old $@ files")
247 $(call quiet-command, \
248 (cd $(SRC_PATH) && \
b8c9ed15 249 $(find-src-path) -print | gtags -f -), \
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250 "GTAGS", "Re-index $(SRC_PATH)")
251
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252.PHONY: TAGS
253TAGS:
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254 $(call quiet-command, \
255 rm -f "$(SRC_PATH)/"TAGS, \
256 "TAGS", "Remove old $@")
257 $(call quiet-command, \
258 $(find-src-path) -exec etags \
259 -f "$(SRC_PATH)/"TAGS --append {} +, \
260 "TAGS", "Re-index $(SRC_PATH)")
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261
262.PHONY: cscope
263cscope:
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264 $(call quiet-command, \
265 rm -f "$(SRC_PATH)/"cscope.* , \
266 "cscope", "Remove old $@ files")
267 $(call quiet-command, \
268 ($(find-src-path) -print | sed -e 's,^\./,,' \
269 > "$(SRC_PATH)/cscope.files"), \
270 "cscope", "Create file list")
271 $(call quiet-command, \
272 cscope -b -i"$(SRC_PATH)/cscope.files" \
273 -f"$(SRC_PATH)"/cscope.out, \
274 "cscope", "Re-index $(SRC_PATH)")
d7986405 275
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276# Needed by "meson install"
277export DESTDIR
612384d7 278
4ebb040f 279include $(SRC_PATH)/tests/lcitool/Makefile.include
324027c2 280include $(SRC_PATH)/tests/docker/Makefile.include
b1fb9a63 281include $(SRC_PATH)/tests/vm/Makefile.include
0d8e065f 282
c355de59 283print-help-run = printf " %-30s - %s\\n" "$1" "$2"
784106ec 284print-help = @$(call print-help-run,$1,$2)
c355de59 285
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286.PHONY: update-linux-vdso
287update-linux-vdso:
288 @for m in $(SRC_PATH)/linux-user/*/Makefile.vdso; do \
289 $(MAKE) $(SUBDIR_MAKEFLAGS) -C $$(dirname $$m) -f Makefile.vdso \
290 SRC_PATH=$(SRC_PATH) BUILD_DIR=$(BUILD_DIR); \
291 done
292
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293.PHONY: help
294help:
295 @echo 'Generic targets:'
c355de59 296 $(call print-help,all,Build all)
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297 $(call print-help,dir/file.o,Build specified target only)
298 $(call print-help,install,Install QEMU, documentation and tools)
b8a32254 299 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
c355de59 300 $(call print-help,cscope,Generate cscope index)
968b4db3 301 $(call print-help,sparse,Run sparse on the QEMU source)
0d8e065f 302 @echo ''
2a5919ab 303ifneq ($(filter contrib/plugins, $(SUBDIRS)),)
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304 @echo 'Plugin targets:'
305 $(call print-help,plugins,Build the example TCG plugins)
306 @echo ''
307endif
0d8e065f 308 @echo 'Cleaning targets:'
c355de59 309 $(call print-help,clean,Remove most generated files but keep the config)
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310 $(call print-help,distclean,Remove all generated files)
311 $(call print-help,dist,Build a distributable tarball)
0d8e065f 312 @echo ''
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313 @echo 'Linux-user targets:'
314 $(call print-help,update-linux-vdso,Build linux-user vdso images)
315 @echo ''
0d8e065f 316 @echo 'Test targets:'
c355de59 317 $(call print-help,check,Run all tests (check-help for details))
9ed7247a 318 $(call print-help,bench,Run all benchmarks)
4ebb040f 319 $(call print-help,lcitool-help,Help about targets for managing build environment manifests)
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 $(call print-help,html man,Build documentation in specified format)
0d8e065f 325 @echo ''
1f2146f7 326ifneq ($(filter msi, $(ninja-targets)),)
0d8e065f 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 '$*=$($*)'