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\ 82 $(SRC_PATH)/pythondeps.toml $(SRC_PATH)/VERSION 83 @echo config-host.mak is out-of-date, running configure 84 @if test -f meson-private/coredata.dat; then \ 85 ./config.status --skip-meson; \ 86 else \ 87 ./config.status; \ 88 fi 89 90 # 2.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