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 = /usr/bin/env 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 45git-submodule-update: 46.git-submodule-status: git-submodule-update config-host.mak 47Makefile: .git-submodule-status 48 49.PHONY: git-submodule-update 50git-submodule-update: 51 $(call quiet-command, \ 52 (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \ 53 "GIT","$(GIT_SUBMODULES)") 54 55# 0. ensure the build tree is okay 56 57# Check that we're not trying to do an out-of-tree build from 58# a tree that's been used for an in-tree build. 59ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 60ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 61$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 62seems to have been used for an in-tree build. You can fix this by running \ 63"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 64endif 65endif 66 67# force a rerun of configure if config-host.mak is too old or corrupted 68ifeq ($(MESON),) 69.PHONY: config-host.mak 70x := $(shell rm -rf meson-private meson-info meson-logs) 71endif 72ifeq ($(NINJA),) 73.PHONY: config-host.mak 74x := $(shell rm -rf meson-private meson-info meson-logs) 75else 76export NINJA 77endif 78ifeq ($(wildcard build.ninja),) 79.PHONY: config-host.mak 80x := $(shell rm -rf meson-private meson-info meson-logs) 81endif 82ifeq ($(origin prefix),file) 83.PHONY: config-host.mak 84x := $(shell rm -rf meson-private meson-info meson-logs) 85endif 86 87# 1. ensure config-host.mak is up-to-date 88config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION 89 @echo config-host.mak is out-of-date, running configure 90 @if test -f meson-private/coredata.dat; then \ 91 ./config.status --skip-meson; \ 92 else \ 93 ./config.status && touch build.ninja.stamp; \ 94 fi 95 96# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 97# works), but otherwise never needs to be updated 98meson-private/coredata.dat: meson.stamp 99meson.stamp: config-host.mak 100 @touch meson.stamp 101 102# 3. ensure generated build files are up-to-date 103 104ifneq ($(NINJA),) 105Makefile.ninja: build.ninja 106 $(quiet-@){ \ 107 echo 'ninja-targets = \'; \ 108 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ 109 echo 'build-files = \'; \ 110 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ 111 } > $@.tmp && mv $@.tmp $@ 112-include Makefile.ninja 113 114# A separate rule is needed for Makefile dependencies to avoid -n 115build.ninja: build.ninja.stamp 116$(build-files): 117build.ninja.stamp: meson.stamp $(build-files) 118 $(NINJA) $(if $V,-v,) build.ninja && touch $@ 119endif 120 121ifneq ($(MESON),) 122Makefile.mtest: build.ninja scripts/mtest2make.py 123 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 124-include Makefile.mtest 125endif 126 127# 4. Rules to bridge to other makefiles 128 129ifneq ($(NINJA),) 130MAKE.n = $(findstring n,$(firstword $(MAKEFLAGS))) 131MAKE.k = $(findstring k,$(firstword $(MAKEFLAGS))) 132MAKE.q = $(findstring q,$(firstword $(MAKEFLAGS))) 133MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) 134NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ 135 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 136 137ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 138ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t)) 139 140makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall 141# "ninja -t targets" also lists all prerequisites. If build system 142# files are marked as PHONY, however, Make will always try to execute 143# "ninja build.ninja". 144ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 145.PHONY: $(ninja-targets) run-ninja 146$(ninja-targets): run-ninja 147 148# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 149# --output-sync line. 150run-ninja: config-host.mak 151ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 152 +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) \ 153 $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 154endif 155endif 156 157# Force configure to re-run if the API symbols are updated 158ifeq ($(CONFIG_PLUGIN),y) 159config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols 160 161.PHONY: plugins 162plugins: 163 $(call quiet-command,\ 164 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 165 "BUILD", "example plugins") 166endif # $(CONFIG_PLUGIN) 167 168else # config-host.mak does not exist 169config-host.mak: 170ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 171 @echo "Please call configure before running make!" 172 @exit 1 173endif 174endif # config-host.mak does not exist 175 176SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 177 178include $(SRC_PATH)/tests/Makefile.include 179 180all: recurse-all 181 182ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) 183ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) 184# Only keep -O and -g cflags 185.PHONY: $(ROM_DIRS_RULES) 186$(ROM_DIRS_RULES): 187 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 188 189.PHONY: recurse-all recurse-clean 190recurse-all: $(addsuffix /all, $(ROM_DIRS)) 191recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) 192 193###################################################################### 194 195clean: recurse-clean 196 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 197 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 198# avoid old build problems by removing potentially incorrect old files 199 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h 200 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -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.* *.pod *~ */*~ 205 rm -f fsdev/*.pod scsi/*.pod 206 207VERSION = $(shell cat $(SRC_PATH)/VERSION) 208 209dist: qemu-$(VERSION).tar.bz2 210 211qemu-%.tar.bz2: 212 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 213 214distclean: clean 215 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 216 rm -f config-host.mak config-host.h* 217 rm -f tests/tcg/config-*.mak 218 rm -f config-all-disas.mak config.status 219 rm -f roms/seabios/config.mak roms/vgabios/config.mak 220 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 221 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 222 rm -rf meson-private meson-logs meson-info compile_commands.json 223 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 224 rm -f config.log 225 rm -f linux-headers/asm 226 rm -Rf .sdk 227 228find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -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) | 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/docker/Makefile.include 280include $(SRC_PATH)/tests/vm/Makefile.include 281 282print-help-run = printf " %-30s - %s\\n" "$1" "$2" 283print-help = @$(call print-help-run,$1,$2) 284 285.PHONY: help 286help: 287 @echo 'Generic targets:' 288 $(call print-help,all,Build all) 289 $(call print-help,dir/file.o,Build specified target only) 290 $(call print-help,install,Install QEMU, documentation and tools) 291 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 292 $(call print-help,cscope,Generate cscope index) 293 $(call print-help,sparse,Run sparse on the QEMU source) 294 @echo '' 295ifeq ($(CONFIG_PLUGIN),y) 296 @echo 'Plugin targets:' 297 $(call print-help,plugins,Build the example TCG plugins) 298 @echo '' 299endif 300 @echo 'Cleaning targets:' 301 $(call print-help,clean,Remove most generated files but keep the config) 302 $(call print-help,distclean,Remove all generated files) 303 $(call print-help,dist,Build a distributable tarball) 304 @echo '' 305 @echo 'Test targets:' 306 $(call print-help,check,Run all tests (check-help for details)) 307 $(call print-help,bench,Run all benchmarks) 308 $(call print-help,docker-help,Help about targets running tests inside containers) 309 $(call print-help,vm-help,Help about targets running tests inside VM) 310 @echo '' 311 @echo 'Documentation targets:' 312 $(call print-help,html man,Build documentation in specified format) 313 @echo '' 314ifdef CONFIG_WIN32 315 @echo 'Windows targets:' 316 $(call print-help,installer,Build NSIS-based installer for QEMU) 317 $(call print-help,msi,Build MSI-based installer for qemu-ga) 318 @echo '' 319endif 320 $(call print-help,$(MAKE) [targets],(quiet build, default)) 321 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 322 323# will delete the target of a rule if commands exit with a nonzero exit status 324.DELETE_ON_ERROR: 325 326print-%: 327 @echo '$*=$($*)' 328