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