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,$3) 28 29UNCHECKED_GOALS := TAGS gtags cscope ctags dist \ 30 help check-help print-% \ 31 docker docker-% vm-help vm-test vm-build-% 32 33all: 34.PHONY: all clean distclean recurse-all dist msi FORCE 35 36# Don't try to regenerate Makefile or configure 37# We don't generate any of them 38Makefile: ; 39configure: ; 40 41# All following code might depend on configuration variables 42ifneq ($(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 $(quiet-@)GIT=git "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES) 56endif 57 58# 0. ensure the build tree is okay 59 60# Check that we're not trying to do an out-of-tree build from 61# a tree that's been used for an in-tree build. 62ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 63ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 64$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 65seems to have been used for an in-tree build. You can fix this by running \ 66"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 67endif 68endif 69 70# force a rerun of configure if config-host.mak is too old or corrupted 71ifeq ($(MESON),) 72.PHONY: config-host.mak 73x := $(shell rm -rf meson-private meson-info meson-logs) 74endif 75ifeq ($(NINJA),) 76.PHONY: config-host.mak 77x := $(shell rm -rf meson-private meson-info meson-logs) 78else 79export NINJA 80endif 81ifeq ($(wildcard build.ninja),) 82.PHONY: config-host.mak 83x := $(shell rm -rf meson-private meson-info meson-logs) 84endif 85ifeq ($(origin prefix),file) 86.PHONY: config-host.mak 87x := $(shell rm -rf meson-private meson-info meson-logs) 88endif 89 90# 1. ensure config-host.mak is up-to-date 91config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/VERSION 92 @echo config-host.mak is out-of-date, running configure 93 @if test -f meson-private/coredata.dat; then \ 94 ./config.status --skip-meson; \ 95 else \ 96 ./config.status && touch build.ninja.stamp; \ 97 fi 98 99# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 100# works), but otherwise never needs to be updated 101meson-private/coredata.dat: meson.stamp 102meson.stamp: config-host.mak 103 @touch meson.stamp 104 105# 3. ensure generated build files are up-to-date 106 107ifneq ($(NINJA),) 108Makefile.ninja: build.ninja 109 $(quiet-@){ \ 110 echo 'ninja-targets = \'; \ 111 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ 112 echo 'build-files = \'; \ 113 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ 114 } > $@.tmp && mv $@.tmp $@ 115-include Makefile.ninja 116endif 117 118ifneq ($(MESON),) 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 $(MESON) setup --reconfigure $(SRC_PATH) && touch $@ 124 125Makefile.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 130all 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 $@ 134endif 135 136# 4. Rules to bridge to other makefiles 137 138ifneq ($(NINJA),) 139# Filter out long options to avoid flags like --no-print-directory which 140# may result in false positive match for MAKE.n 141MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 142MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 143MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 144MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) 145NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ 146 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 147 -d keepdepfile 148ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 149ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g)) 150 151makefile-targets := build.ninja ctags TAGS cscope dist clean 152# "ninja -t targets" also lists all prerequisites. If build system 153# files are marked as PHONY, however, Make will always try to execute 154# "ninja build.ninja". 155ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 156.PHONY: $(ninja-targets) run-ninja 157$(ninja-targets): run-ninja 158 159# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 160# --output-sync line. 161run-ninja: config-host.mak 162ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 163 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \ 164 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 165endif 166endif 167 168ifeq ($(CONFIG_PLUGIN),y) 169.PHONY: plugins 170plugins: 171 $(call quiet-command,\ 172 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 173 "BUILD", "example plugins") 174endif # $(CONFIG_PLUGIN) 175 176else # config-host.mak does not exist 177ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 178$(error Please call configure before running make) 179endif 180endif # config-host.mak does not exist 181 182SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 183 184include $(SRC_PATH)/tests/Makefile.include 185 186all: recurse-all 187 188ROMS_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(ROMS))) 189.PHONY: $(ROMS_RULES) 190$(ROMS_RULES): 191 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 192 193.PHONY: recurse-all recurse-clean 194recurse-all: $(addsuffix /all, $(ROMS)) 195recurse-clean: $(addsuffix /clean, $(ROMS)) 196recurse-distclean: $(addsuffix /distclean, $(ROMS)) 197 198###################################################################### 199 200clean: recurse-clean 201 -$(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 210VERSION = $(shell cat $(SRC_PATH)/VERSION) 211 212dist: qemu-$(VERSION).tar.bz2 213 214qemu-%.tar.bz2: 215 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 216 217distclean: clean recurse-distclean 218 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 219 rm -f config-host.mak Makefile.prereqs 220 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak 221 rm -f config.status 222 rm -f roms/seabios/config.mak 223 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 224 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 225 rm -rf meson-private meson-logs meson-info compile_commands.json 226 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 227 rm -f config.log 228 rm -f linux-headers/asm 229 rm -Rf .sdk qemu-bundle 230 231find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ 232 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 233 234.PHONY: ctags 235ctags: 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 245gtags: 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 257TAGS: 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 267cscope: 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" 281export DESTDIR 282 283include $(SRC_PATH)/tests/lcitool/Makefile.include 284include $(SRC_PATH)/tests/docker/Makefile.include 285include $(SRC_PATH)/tests/vm/Makefile.include 286 287print-help-run = printf " %-30s - %s\\n" "$1" "$2" 288print-help = @$(call print-help-run,$1,$2) 289 290.PHONY: help 291help: 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 $(call print-help,sparse,Run sparse on the QEMU source) 299 @echo '' 300ifeq ($(CONFIG_PLUGIN),y) 301 @echo 'Plugin targets:' 302 $(call print-help,plugins,Build the example TCG plugins) 303 @echo '' 304endif 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 '' 320ifdef 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 '' 325endif 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 332print-%: 333 @echo '$*=$($*)' 334