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 = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ 145 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 146 -d keepdepfile 147ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 148ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g)) 149 150makefile-targets := build.ninja ctags TAGS cscope dist clean 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)) 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), $(ninja-cmd-goals)),) 162 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \ 163 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 164endif 165endif 166 167ifeq ($(CONFIG_PLUGIN),y) 168.PHONY: plugins 169plugins: 170 $(call quiet-command,\ 171 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 172 "BUILD", "example plugins") 173endif # $(CONFIG_PLUGIN) 174 175else # config-host.mak does not exist 176ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 177$(error Please call configure before running make) 178endif 179endif # config-host.mak does not exist 180 181SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 182 183include $(SRC_PATH)/tests/Makefile.include 184 185all: recurse-all 186 187ROMS_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(ROMS))) 188.PHONY: $(ROMS_RULES) 189$(ROMS_RULES): 190 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 191 192.PHONY: recurse-all recurse-clean 193recurse-all: $(addsuffix /all, $(ROMS)) 194recurse-clean: $(addsuffix /clean, $(ROMS)) 195recurse-distclean: $(addsuffix /distclean, $(ROMS)) 196 197###################################################################### 198 199clean: recurse-clean 200 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 201 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 202 find . \( -name '*.so' -o -name '*.dll' -o \ 203 -name '*.[oda]' -o -name '*.gcno' \) -type f \ 204 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 205 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 206 -exec rm {} + 207 rm -f TAGS cscope.* *~ */*~ 208 209VERSION = $(shell cat $(SRC_PATH)/VERSION) 210 211dist: qemu-$(VERSION).tar.bz2 212 213qemu-%.tar.bz2: 214 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 215 216distclean: clean recurse-distclean 217 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 218 rm -f config-host.mak Makefile.prereqs 219 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak 220 rm -f config.status 221 rm -f roms/seabios/config.mak 222 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 223 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 224 rm -rf meson-private meson-logs meson-info compile_commands.json 225 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 226 rm -f config.log 227 rm -f linux-headers/asm 228 rm -Rf .sdk qemu-bundle 229 230find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ 231 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 232 233.PHONY: ctags 234ctags: 235 $(call quiet-command, \ 236 rm -f "$(SRC_PATH)/"tags, \ 237 "CTAGS", "Remove old tags") 238 $(call quiet-command, \ 239 $(find-src-path) -exec ctags \ 240 -f "$(SRC_PATH)/"tags --append {} +, \ 241 "CTAGS", "Re-index $(SRC_PATH)") 242 243.PHONY: gtags 244gtags: 245 $(call quiet-command, \ 246 rm -f "$(SRC_PATH)/"GTAGS; \ 247 rm -f "$(SRC_PATH)/"GRTAGS; \ 248 rm -f "$(SRC_PATH)/"GPATH, \ 249 "GTAGS", "Remove old $@ files") 250 $(call quiet-command, \ 251 (cd $(SRC_PATH) && \ 252 $(find-src-path) -print | gtags -f -), \ 253 "GTAGS", "Re-index $(SRC_PATH)") 254 255.PHONY: TAGS 256TAGS: 257 $(call quiet-command, \ 258 rm -f "$(SRC_PATH)/"TAGS, \ 259 "TAGS", "Remove old $@") 260 $(call quiet-command, \ 261 $(find-src-path) -exec etags \ 262 -f "$(SRC_PATH)/"TAGS --append {} +, \ 263 "TAGS", "Re-index $(SRC_PATH)") 264 265.PHONY: cscope 266cscope: 267 $(call quiet-command, \ 268 rm -f "$(SRC_PATH)/"cscope.* , \ 269 "cscope", "Remove old $@ files") 270 $(call quiet-command, \ 271 ($(find-src-path) -print | sed -e 's,^\./,,' \ 272 > "$(SRC_PATH)/cscope.files"), \ 273 "cscope", "Create file list") 274 $(call quiet-command, \ 275 cscope -b -i"$(SRC_PATH)/cscope.files" \ 276 -f"$(SRC_PATH)"/cscope.out, \ 277 "cscope", "Re-index $(SRC_PATH)") 278 279# Needed by "meson install" 280export DESTDIR 281 282include $(SRC_PATH)/tests/lcitool/Makefile.include 283include $(SRC_PATH)/tests/docker/Makefile.include 284include $(SRC_PATH)/tests/vm/Makefile.include 285 286print-help-run = printf " %-30s - %s\\n" "$1" "$2" 287print-help = @$(call print-help-run,$1,$2) 288 289.PHONY: help 290help: 291 @echo 'Generic targets:' 292 $(call print-help,all,Build all) 293 $(call print-help,dir/file.o,Build specified target only) 294 $(call print-help,install,Install QEMU, documentation and tools) 295 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 296 $(call print-help,cscope,Generate cscope index) 297 $(call print-help,sparse,Run sparse on the QEMU source) 298 @echo '' 299ifeq ($(CONFIG_PLUGIN),y) 300 @echo 'Plugin targets:' 301 $(call print-help,plugins,Build the example TCG plugins) 302 @echo '' 303endif 304 @echo 'Cleaning targets:' 305 $(call print-help,clean,Remove most generated files but keep the config) 306 $(call print-help,distclean,Remove all generated files) 307 $(call print-help,dist,Build a distributable tarball) 308 @echo '' 309 @echo 'Test targets:' 310 $(call print-help,check,Run all tests (check-help for details)) 311 $(call print-help,bench,Run all benchmarks) 312 $(call print-help,lcitool-help,Help about targets for managing build environment manifests) 313 $(call print-help,docker-help,Help about targets running tests inside containers) 314 $(call print-help,vm-help,Help about targets running tests inside VM) 315 @echo '' 316 @echo 'Documentation targets:' 317 $(call print-help,html man,Build documentation in specified format) 318 @echo '' 319ifdef CONFIG_WIN32 320 @echo 'Windows targets:' 321 $(call print-help,installer,Build NSIS-based installer for QEMU) 322 $(call print-help,msi,Build MSI-based installer for qemu-ga) 323 @echo '' 324endif 325 $(call print-help,$(MAKE) [targets],(quiet build, default)) 326 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 327 328# will delete the target of a rule if commands exit with a nonzero exit status 329.DELETE_ON_ERROR: 330 331print-%: 332 @echo '$*=$($*)' 333