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 50 51git_module_status := $(shell \ 52 cd '$(SRC_PATH)' && \ 53 GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \ 54 echo $$?; \ 55) 56 57ifeq (1,$(git_module_status)) 58ifeq (no,$(GIT_UPDATE)) 59git-submodule-update: 60 $(call quiet-command, \ 61 echo && \ 62 echo "GIT submodule checkout is out of date. Please run" && \ 63 echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \ 64 echo "from the source directory checkout $(SRC_PATH)" && \ 65 echo && \ 66 exit 1) 67else 68git-submodule-update: 69 $(call quiet-command, \ 70 (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \ 71 "GIT","$(GIT_SUBMODULES)") 72endif 73endif 74 75# 0. ensure the build tree is okay 76 77# Check that we're not trying to do an out-of-tree build from 78# a tree that's been used for an in-tree build. 79ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 80ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 81$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 82seems to have been used for an in-tree build. You can fix this by running \ 83"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 84endif 85endif 86 87# force a rerun of configure if config-host.mak is too old or corrupted 88ifeq ($(MESON),) 89.PHONY: config-host.mak 90x := $(shell rm -rf meson-private meson-info meson-logs) 91endif 92ifeq ($(NINJA),) 93.PHONY: config-host.mak 94x := $(shell rm -rf meson-private meson-info meson-logs) 95else 96export NINJA 97endif 98ifeq ($(wildcard build.ninja),) 99.PHONY: config-host.mak 100x := $(shell rm -rf meson-private meson-info meson-logs) 101endif 102ifeq ($(origin prefix),file) 103.PHONY: config-host.mak 104x := $(shell rm -rf meson-private meson-info meson-logs) 105endif 106 107# 1. ensure config-host.mak is up-to-date 108config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION 109 @echo config-host.mak is out-of-date, running configure 110 @if test -f meson-private/coredata.dat; then \ 111 ./config.status --skip-meson; \ 112 else \ 113 ./config.status && touch build.ninja.stamp; \ 114 fi 115 116# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 117# works), but otherwise never needs to be updated 118meson-private/coredata.dat: meson.stamp 119meson.stamp: config-host.mak 120 @touch meson.stamp 121 122# 3. ensure generated build files are up-to-date 123 124ifneq ($(NINJA),) 125Makefile.ninja: build.ninja 126 $(quiet-@){ \ 127 echo 'ninja-targets = \'; \ 128 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ 129 echo 'build-files = \'; \ 130 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ 131 } > $@.tmp && mv $@.tmp $@ 132-include Makefile.ninja 133 134# A separate rule is needed for Makefile dependencies to avoid -n 135build.ninja: build.ninja.stamp 136build.ninja.stamp: meson.stamp $(build-files) 137 $(NINJA) $(if $V,-v,) build.ninja && touch $@ 138endif 139 140ifneq ($(MESON),) 141Makefile.mtest: build.ninja scripts/mtest2make.py 142 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 143-include Makefile.mtest 144endif 145 146# 4. Rules to bridge to other makefiles 147 148ifneq ($(NINJA),) 149NINJAFLAGS = $(if $V,-v,) \ 150 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 151 $(subst -k, -k0, $(filter -n -k,$(MAKEFLAGS))) 152 153ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 154ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t)) 155 156makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall 157# "ninja -t targets" also lists all prerequisites. If build system 158# files are marked as PHONY, however, Make will always try to execute 159# "ninja build.ninja". 160ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 161.PHONY: $(ninja-targets) run-ninja 162$(ninja-targets): run-ninja 163 164# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 165# --output-sync line. 166run-ninja: config-host.mak 167ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 168 +@$(NINJA) $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat 169endif 170endif 171 172# Force configure to re-run if the API symbols are updated 173ifeq ($(CONFIG_PLUGIN),y) 174config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols 175 176.PHONY: plugins 177plugins: 178 $(call quiet-command,\ 179 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 180 "BUILD", "example plugins") 181endif # $(CONFIG_PLUGIN) 182 183else # config-host.mak does not exist 184config-host.mak: 185ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 186 @echo "Please call configure before running make!" 187 @exit 1 188endif 189endif # config-host.mak does not exist 190 191SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 192 193include $(SRC_PATH)/tests/Makefile.include 194 195all: recurse-all 196 197ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) 198ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) 199# Only keep -O and -g cflags 200.PHONY: $(ROM_DIRS_RULES) 201$(ROM_DIRS_RULES): 202 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 203 204.PHONY: recurse-all recurse-clean 205recurse-all: $(addsuffix /all, $(ROM_DIRS)) 206recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) 207 208###################################################################### 209 210clean: recurse-clean 211 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean || : 212 -@test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 213# avoid old build problems by removing potentially incorrect old files 214 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h 215 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ 216 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 217 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 218 -exec rm {} + 219 rm -f TAGS cscope.* *.pod *~ */*~ 220 rm -f fsdev/*.pod scsi/*.pod 221 222VERSION = $(shell cat $(SRC_PATH)/VERSION) 223 224dist: qemu-$(VERSION).tar.bz2 225 226qemu-%.tar.bz2: 227 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 228 229distclean: clean 230 -@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean -g || : 231 rm -f config-host.mak config-host.h* 232 rm -f tests/tcg/config-*.mak 233 rm -f config-all-disas.mak config.status 234 rm -f tests/qemu-iotests/common.env 235 rm -f roms/seabios/config.mak roms/vgabios/config.mak 236 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 237 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 238 rm -rf meson-private meson-logs meson-info compile_commands.json 239 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 240 rm -f config.log 241 rm -f linux-headers/asm 242 rm -Rf .sdk 243 244find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]" 245 246.PHONY: ctags 247ctags: 248 rm -f "$(SRC_PATH)/"tags 249 $(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} + 250 251.PHONY: TAGS 252TAGS: 253 rm -f "$(SRC_PATH)/"TAGS 254 $(find-src-path) -exec etags -f "$(SRC_PATH)/"TAGS --append {} + 255 256.PHONY: cscope 257cscope: 258 rm -f "$(SRC_PATH)"/cscope.* 259 $(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files" 260 cscope -b -i"$(SRC_PATH)/cscope.files" -f"$(SRC_PATH)"/cscope.out 261 262# Needed by "meson install" 263export DESTDIR 264 265include $(SRC_PATH)/tests/docker/Makefile.include 266include $(SRC_PATH)/tests/vm/Makefile.include 267 268print-help-run = printf " %-30s - %s\\n" "$1" "$2" 269print-help = $(quiet-@)$(call print-help-run,$1,$2) 270 271.PHONY: help 272help: 273 @echo 'Generic targets:' 274 $(call print-help,all,Build all) 275 $(call print-help,dir/file.o,Build specified target only) 276 $(call print-help,install,Install QEMU, documentation and tools) 277 $(call print-help,ctags/TAGS,Generate tags file for editors) 278 $(call print-help,cscope,Generate cscope index) 279 $(call print-help,sparse,Run sparse on the QEMU source) 280 @echo '' 281ifeq ($(CONFIG_PLUGIN),y) 282 @echo 'Plugin targets:' 283 $(call print-help,plugins,Build the example TCG plugins) 284 @echo '' 285endif 286 @echo 'Cleaning targets:' 287 $(call print-help,clean,Remove most generated files but keep the config) 288 $(call print-help,distclean,Remove all generated files) 289 $(call print-help,dist,Build a distributable tarball) 290 @echo '' 291 @echo 'Test targets:' 292 $(call print-help,check,Run all tests (check-help for details)) 293 $(call print-help,bench,Run all benchmarks) 294 $(call print-help,docker,Help about targets running tests inside containers) 295 $(call print-help,vm-help,Help about targets running tests inside VM) 296 @echo '' 297 @echo 'Documentation targets:' 298 $(call print-help,html man,Build documentation in specified format) 299 @echo '' 300ifdef CONFIG_WIN32 301 @echo 'Windows targets:' 302 $(call print-help,installer,Build NSIS-based installer for QEMU) 303ifdef CONFIG_QGA_MSI 304 $(call print-help,msi,Build MSI-based installer for qemu-ga) 305endif 306 @echo '' 307endif 308 $(call print-help,$(MAKE) [targets],(quiet build, default)) 309 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 310 311# will delete the target of a rule if commands exit with a nonzero exit status 312.DELETE_ON_ERROR: 313 314print-%: 315 @echo '$*=$($*)' 316