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,$3) 28 29UNCHECKED_GOALS := TAGS gtags cscope ctags dist \ 30 help check-help print-% \ 31 docker docker-% lcitool-refresh vm-help vm-test vm-build-% 32 33all: 34.PHONY: all clean distclean recurse-all dist msi FORCE 35 36# Don't try to regenerate Makefile or configure 37# We don't generate any of them 38Makefile: ; 39configure: ; 40 41# All following code might depend on configuration variables 42ifneq ($(wildcard config-host.mak),) 43include config-host.mak 44 45include Makefile.prereqs 46Makefile.prereqs: config-host.mak 47 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. 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 ($(SRC_PATH)) \ 55seems to have been used for an in-tree build. You can fix this by running \ 56"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 57endif 58endif 59 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 := $(shell rm -rf meson-private meson-info meson-logs) 68else 69export NINJA 70endif 71ifeq ($(wildcard build.ninja),) 72.PHONY: config-host.mak 73x := $(shell rm -rf meson-private meson-info meson-logs) 74endif 75ifeq ($(origin prefix),file) 76.PHONY: config-host.mak 77x := $(shell rm -rf meson-private meson-info meson-logs) 78endif 79 80# 1. ensure config-host.mak is up-to-date 81config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/VERSION 82 @echo config-host.mak is out-of-date, running configure 83 @if test -f meson-private/coredata.dat; then \ 84 ./config.status --skip-meson; \ 85 else \ 86 ./config.status; \ 87 fi 88 89# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 90# works), but otherwise never needs to be updated 91 92meson-private/coredata.dat: meson.stamp 93meson.stamp: config-host.mak 94 @touch meson.stamp 95 96# 3. ensure meson-generated build files are up-to-date 97 98ifneq ($(NINJA),) 99Makefile.ninja: build.ninja 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/$$/ \\/p'; \ 105 } > $@.tmp && mv $@.tmp $@ 106-include Makefile.ninja 107endif 108 109ifneq ($(MESON),) 110# The path to meson always points to pyvenv/bin/meson, but the absolute 111# paths could change. In that case, force a regeneration of build.ninja. 112# Note that this invocation of $(NINJA), just like when Make rebuilds 113# Makefiles, does not include -n. 114build.ninja: build.ninja.stamp 115$(build-files): 116build.ninja.stamp: meson.stamp $(build-files) 117 @if test "$$(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)" > $@ 123 124Makefile.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 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 $@ 133endif 134 135# 4. Rules to bridge to other makefiles 136 137ifneq ($(NINJA),) 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)))) 143MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) 144NINJAFLAGS = \ 145 $(if $V,-v) \ 146 $(if $(MAKE.n), -n) \ 147 $(if $(MAKE.k), -k0) \ 148 $(filter-out -j, \ 149 $(or $(filter -l% -j%, $(MAKEFLAGS)), \ 150 $(if $(filter --jobserver-auth=%, $(MAKEFLAGS)),, -j1))) \ 151 -d keepdepfile 152ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 153ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g)) 154 155makefile-targets := build.ninja ctags TAGS cscope dist clean 156# "ninja -t targets" also lists all prerequisites. If build system 157# files are marked as PHONY, however, Make will always try to execute 158# "ninja build.ninja". 159ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 160.PHONY: $(ninja-targets) run-ninja 161$(ninja-targets): run-ninja 162 163# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 164# --output-sync line. 165run-ninja: config-host.mak 166ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 167 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \ 168 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 169endif 170endif 171 172else # config-host.mak does not exist 173ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 174$(error Please call configure before running make) 175endif 176endif # config-host.mak does not exist 177 178SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 179 180include $(SRC_PATH)/tests/Makefile.include 181 182all: recurse-all 183 184SUBDIR_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(SUBDIRS))) 185.PHONY: $(SUBDIR_RULES) 186$(SUBDIR_RULES): 187 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 188 189ifneq ($(filter contrib/plugins, $(SUBDIRS)),) 190.PHONY: plugins 191plugins: contrib/plugins/all 192endif 193 194.PHONY: recurse-all recurse-clean 195recurse-all: $(addsuffix /all, $(SUBDIRS)) 196recurse-clean: $(addsuffix /clean, $(SUBDIRS)) 197recurse-distclean: $(addsuffix /distclean, $(SUBDIRS)) 198 199###################################################################### 200 201clean: recurse-clean 202 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 203 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 204 find . \( -name '*.so' -o -name '*.dll' -o \ 205 -name '*.[oda]' -o -name '*.gcno' \) -type f \ 206 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 207 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 208 -exec rm {} + 209 rm -f TAGS cscope.* *~ */*~ 210 @$(MAKE) -Ctests/qemu-iotests clean 211 212VERSION = $(shell cat $(SRC_PATH)/VERSION) 213 214dist: qemu-$(VERSION).tar.bz2 215 216qemu-%.tar.bz2: 217 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 218 219distclean: clean recurse-distclean 220 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 221 rm -f config-host.mak Makefile.prereqs 222 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak 223 rm -f config.status 224 rm -f roms/seabios/config.mak 225 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 226 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 227 rm -rf meson-private meson-logs meson-info compile_commands.json 228 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 229 rm -f config.log 230 rm -f linux-headers/asm 231 rm -Rf .sdk qemu-bundle 232 233find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ 234 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 235 236.PHONY: ctags 237ctags: 238 $(call quiet-command, \ 239 rm -f "$(SRC_PATH)/"tags, \ 240 "CTAGS", "Remove old tags") 241 $(call quiet-command, \ 242 $(find-src-path) -exec ctags \ 243 -f "$(SRC_PATH)/"tags --append {} +, \ 244 "CTAGS", "Re-index $(SRC_PATH)") 245 246.PHONY: gtags 247gtags: 248 $(call quiet-command, \ 249 rm -f "$(SRC_PATH)/"GTAGS; \ 250 rm -f "$(SRC_PATH)/"GRTAGS; \ 251 rm -f "$(SRC_PATH)/"GPATH, \ 252 "GTAGS", "Remove old $@ files") 253 $(call quiet-command, \ 254 (cd $(SRC_PATH) && \ 255 $(find-src-path) -print | gtags -f -), \ 256 "GTAGS", "Re-index $(SRC_PATH)") 257 258.PHONY: TAGS 259TAGS: 260 $(call quiet-command, \ 261 rm -f "$(SRC_PATH)/"TAGS, \ 262 "TAGS", "Remove old $@") 263 $(call quiet-command, \ 264 $(find-src-path) -exec etags \ 265 -f "$(SRC_PATH)/"TAGS --append {} +, \ 266 "TAGS", "Re-index $(SRC_PATH)") 267 268.PHONY: cscope 269cscope: 270 $(call quiet-command, \ 271 rm -f "$(SRC_PATH)/"cscope.* , \ 272 "cscope", "Remove old $@ files") 273 $(call quiet-command, \ 274 ($(find-src-path) -print | sed -e 's,^\./,,' \ 275 > "$(SRC_PATH)/cscope.files"), \ 276 "cscope", "Create file list") 277 $(call quiet-command, \ 278 cscope -b -i"$(SRC_PATH)/cscope.files" \ 279 -f"$(SRC_PATH)"/cscope.out, \ 280 "cscope", "Re-index $(SRC_PATH)") 281 282# Needed by "meson install" 283export DESTDIR 284 285include $(SRC_PATH)/tests/lcitool/Makefile.include 286include $(SRC_PATH)/tests/docker/Makefile.include 287include $(SRC_PATH)/tests/vm/Makefile.include 288 289print-help-run = printf " %-30s - %s\\n" "$1" "$2" 290print-help = @$(call print-help-run,$1,$2) 291 292.PHONY: update-linux-vdso 293update-linux-vdso: 294 @for m in $(SRC_PATH)/linux-user/*/Makefile.vdso; do \ 295 $(MAKE) $(SUBDIR_MAKEFLAGS) -C $$(dirname $$m) -f Makefile.vdso \ 296 SRC_PATH=$(SRC_PATH) BUILD_DIR=$(BUILD_DIR); \ 297 done 298 299.PHONY: help 300help: 301 @echo 'Generic targets:' 302 $(call print-help,all,Build all) 303 $(call print-help,dir/file.o,Build specified target only) 304 $(call print-help,install,Install QEMU, documentation and tools) 305 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 306 $(call print-help,cscope,Generate cscope index) 307 $(call print-help,sparse,Run sparse on the QEMU source) 308 @echo '' 309ifneq ($(filter contrib/plugins, $(SUBDIRS)),) 310 @echo 'Plugin targets:' 311 $(call print-help,plugins,Build the example TCG plugins) 312 @echo '' 313endif 314 @echo 'Cleaning targets:' 315 $(call print-help,clean,Remove most generated files but keep the config) 316 $(call print-help,distclean,Remove all generated files) 317 $(call print-help,dist,Build a distributable tarball) 318 @echo '' 319 @echo 'Linux-user targets:' 320 $(call print-help,update-linux-vdso,Build linux-user vdso images) 321 @echo '' 322 @echo 'Test targets:' 323 $(call print-help,check,Run all tests (check-help for details)) 324 $(call print-help,bench,Run all benchmarks) 325 $(call print-help,lcitool-help,Help about targets for managing build environment manifests) 326 $(call print-help,docker-help,Help about targets running tests inside containers) 327 $(call print-help,vm-help,Help about targets running tests inside VM) 328 @echo '' 329 @echo 'Documentation targets:' 330 $(call print-help,html man,Build documentation in specified format) 331 @echo '' 332ifneq ($(filter msi, $(ninja-targets)),) 333 @echo 'Windows targets:' 334 $(call print-help,installer,Build NSIS-based installer for QEMU) 335 $(call print-help,msi,Build MSI-based installer for qemu-ga) 336 @echo '' 337endif 338 $(call print-help,$(MAKE) [targets],(quiet build, default)) 339 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 340 341# will delete the target of a rule if commands exit with a nonzero exit status 342.DELETE_ON_ERROR: 343 344print-%: 345 @echo '$*=$($*)' 346