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), $(ninja-cmd-goals))) | cat) 164endif 165endif 166 167else # config-host.mak does not exist 168ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 169$(error Please call configure before running make) 170endif 171endif # config-host.mak does not exist 172 173SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 174 175include $(SRC_PATH)/tests/Makefile.include 176 177all: recurse-all 178 179SUBDIR_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(SUBDIRS))) 180.PHONY: $(SUBDIR_RULES) 181$(SUBDIR_RULES): 182 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 183 184ifneq ($(filter contrib/plugins, $(SUBDIRS)),) 185.PHONY: plugins 186plugins: contrib/plugins/all 187endif 188 189.PHONY: recurse-all recurse-clean 190recurse-all: $(addsuffix /all, $(SUBDIRS)) 191recurse-clean: $(addsuffix /clean, $(SUBDIRS)) 192recurse-distclean: $(addsuffix /distclean, $(SUBDIRS)) 193 194###################################################################### 195 196clean: recurse-clean 197 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 198 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 199 find . \( -name '*.so' -o -name '*.dll' -o \ 200 -name '*.[oda]' -o -name '*.gcno' \) -type f \ 201 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 202 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 203 -exec rm {} + 204 rm -f TAGS cscope.* *~ */*~ 205 206VERSION = $(shell cat $(SRC_PATH)/VERSION) 207 208dist: qemu-$(VERSION).tar.bz2 209 210qemu-%.tar.bz2: 211 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 212 213distclean: clean recurse-distclean 214 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 215 rm -f config-host.mak Makefile.prereqs 216 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak 217 rm -f config.status 218 rm -f roms/seabios/config.mak 219 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 220 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 221 rm -rf meson-private meson-logs meson-info compile_commands.json 222 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 223 rm -f config.log 224 rm -f linux-headers/asm 225 rm -Rf .sdk qemu-bundle 226 227find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ 228 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 229 230.PHONY: ctags 231ctags: 232 $(call quiet-command, \ 233 rm -f "$(SRC_PATH)/"tags, \ 234 "CTAGS", "Remove old tags") 235 $(call quiet-command, \ 236 $(find-src-path) -exec ctags \ 237 -f "$(SRC_PATH)/"tags --append {} +, \ 238 "CTAGS", "Re-index $(SRC_PATH)") 239 240.PHONY: gtags 241gtags: 242 $(call quiet-command, \ 243 rm -f "$(SRC_PATH)/"GTAGS; \ 244 rm -f "$(SRC_PATH)/"GRTAGS; \ 245 rm -f "$(SRC_PATH)/"GPATH, \ 246 "GTAGS", "Remove old $@ files") 247 $(call quiet-command, \ 248 (cd $(SRC_PATH) && \ 249 $(find-src-path) -print | gtags -f -), \ 250 "GTAGS", "Re-index $(SRC_PATH)") 251 252.PHONY: TAGS 253TAGS: 254 $(call quiet-command, \ 255 rm -f "$(SRC_PATH)/"TAGS, \ 256 "TAGS", "Remove old $@") 257 $(call quiet-command, \ 258 $(find-src-path) -exec etags \ 259 -f "$(SRC_PATH)/"TAGS --append {} +, \ 260 "TAGS", "Re-index $(SRC_PATH)") 261 262.PHONY: cscope 263cscope: 264 $(call quiet-command, \ 265 rm -f "$(SRC_PATH)/"cscope.* , \ 266 "cscope", "Remove old $@ files") 267 $(call quiet-command, \ 268 ($(find-src-path) -print | sed -e 's,^\./,,' \ 269 > "$(SRC_PATH)/cscope.files"), \ 270 "cscope", "Create file list") 271 $(call quiet-command, \ 272 cscope -b -i"$(SRC_PATH)/cscope.files" \ 273 -f"$(SRC_PATH)"/cscope.out, \ 274 "cscope", "Re-index $(SRC_PATH)") 275 276# Needed by "meson install" 277export DESTDIR 278 279include $(SRC_PATH)/tests/lcitool/Makefile.include 280include $(SRC_PATH)/tests/docker/Makefile.include 281include $(SRC_PATH)/tests/vm/Makefile.include 282 283print-help-run = printf " %-30s - %s\\n" "$1" "$2" 284print-help = @$(call print-help-run,$1,$2) 285 286.PHONY: update-linux-vdso 287update-linux-vdso: 288 @for m in $(SRC_PATH)/linux-user/*/Makefile.vdso; do \ 289 $(MAKE) $(SUBDIR_MAKEFLAGS) -C $$(dirname $$m) -f Makefile.vdso \ 290 SRC_PATH=$(SRC_PATH) BUILD_DIR=$(BUILD_DIR); \ 291 done 292 293.PHONY: help 294help: 295 @echo 'Generic targets:' 296 $(call print-help,all,Build all) 297 $(call print-help,dir/file.o,Build specified target only) 298 $(call print-help,install,Install QEMU, documentation and tools) 299 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 300 $(call print-help,cscope,Generate cscope index) 301 $(call print-help,sparse,Run sparse on the QEMU source) 302 @echo '' 303ifneq ($(filter contrib/plugins, $(SUBDIRS)),) 304 @echo 'Plugin targets:' 305 $(call print-help,plugins,Build the example TCG plugins) 306 @echo '' 307endif 308 @echo 'Cleaning targets:' 309 $(call print-help,clean,Remove most generated files but keep the config) 310 $(call print-help,distclean,Remove all generated files) 311 $(call print-help,dist,Build a distributable tarball) 312 @echo '' 313 @echo 'Linux-user targets:' 314 $(call print-help,update-linux-vdso,Build linux-user vdso images) 315 @echo '' 316 @echo 'Test targets:' 317 $(call print-help,check,Run all tests (check-help for details)) 318 $(call print-help,bench,Run all benchmarks) 319 $(call print-help,lcitool-help,Help about targets for managing build environment manifests) 320 $(call print-help,docker-help,Help about targets running tests inside containers) 321 $(call print-help,vm-help,Help about targets running tests inside VM) 322 @echo '' 323 @echo 'Documentation targets:' 324 $(call print-help,html man,Build documentation in specified format) 325 @echo '' 326ifneq ($(filter msi, $(ninja-targets)),) 327 @echo 'Windows targets:' 328 $(call print-help,installer,Build NSIS-based installer for QEMU) 329 $(call print-help,msi,Build MSI-based installer for qemu-ga) 330 @echo '' 331endif 332 $(call print-help,$(MAKE) [targets],(quiet build, default)) 333 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 334 335# will delete the target of a rule if commands exit with a nonzero exit status 336.DELETE_ON_ERROR: 337 338print-%: 339 @echo '$*=$($*)' 340