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,$3) 28 29UNCHECKED_GOALS := TAGS gtags cscope ctags dist \ 30 help check-help print-% \ 31 docker docker-% vm-help vm-test vm-build-% 32 33all: 34.PHONY: all clean distclean recurse-all dist msi FORCE 35 36# Don't try to regenerate Makefile or configure 37# We don't generate any of them 38Makefile: ; 39configure: ; 40 41# All following code might depend on configuration variables 42ifneq ($(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 $(SRC_PATH)/VERSION 82 @echo config-host.mak is out-of-date, running configure 83 @if test -f meson-private/coredata.dat; then \ 84 ./config.status --skip-meson; \ 85 else \ 86 ./config.status && touch build.ninja.stamp; \ 87 fi 88 89# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure 90# works), but otherwise never needs to be updated 91meson-private/coredata.dat: meson.stamp 92meson.stamp: config-host.mak 93 @touch meson.stamp 94 95# 3. ensure generated build files are up-to-date 96 97ifneq ($(NINJA),) 98Makefile.ninja: build.ninja 99 $(quiet-@){ \ 100 echo 'ninja-targets = \'; \ 101 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ 102 echo 'build-files = \'; \ 103 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ 104 } > $@.tmp && mv $@.tmp $@ 105-include Makefile.ninja 106endif 107 108ifneq ($(MESON),) 109# A separate rule is needed for Makefile dependencies to avoid -n 110build.ninja: build.ninja.stamp 111$(build-files): 112build.ninja.stamp: meson.stamp $(build-files) 113 $(MESON) setup --reconfigure $(SRC_PATH) && touch $@ 114 115Makefile.mtest: build.ninja scripts/mtest2make.py 116 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 117-include Makefile.mtest 118 119.PHONY: update-buildoptions 120all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh 121$(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt 122 $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \ 123 scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@ 124endif 125 126# 4. Rules to bridge to other makefiles 127 128ifneq ($(NINJA),) 129# Filter out long options to avoid flags like --no-print-directory which 130# may result in false positive match for MAKE.n 131MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 132MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 133MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS)))) 134MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) 135NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ 136 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ 137 -d keepdepfile 138ninja-cmd-goals = $(or $(MAKECMDGOALS), all) 139ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g)) 140 141makefile-targets := build.ninja ctags TAGS cscope dist clean 142# "ninja -t targets" also lists all prerequisites. If build system 143# files are marked as PHONY, however, Make will always try to execute 144# "ninja build.ninja". 145ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) 146.PHONY: $(ninja-targets) run-ninja 147$(ninja-targets): run-ninja 148 149# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the 150# --output-sync line. 151run-ninja: config-host.mak 152ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) 153 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \ 154 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) 155endif 156endif 157 158ifeq ($(CONFIG_PLUGIN),y) 159.PHONY: plugins 160plugins: 161 $(call quiet-command,\ 162 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 163 "BUILD", "example plugins") 164endif # $(CONFIG_PLUGIN) 165 166else # config-host.mak does not exist 167ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 168$(error Please call configure before running make) 169endif 170endif # config-host.mak does not exist 171 172SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 173 174include $(SRC_PATH)/tests/Makefile.include 175 176all: recurse-all 177 178ROMS_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(ROMS))) 179.PHONY: $(ROMS_RULES) 180$(ROMS_RULES): 181 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 182 183.PHONY: recurse-all recurse-clean 184recurse-all: $(addsuffix /all, $(ROMS)) 185recurse-clean: $(addsuffix /clean, $(ROMS)) 186recurse-distclean: $(addsuffix /distclean, $(ROMS)) 187 188###################################################################### 189 190clean: recurse-clean 191 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : 192 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : 193 find . \( -name '*.so' -o -name '*.dll' -o \ 194 -name '*.[oda]' -o -name '*.gcno' \) -type f \ 195 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 196 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 197 -exec rm {} + 198 rm -f TAGS cscope.* *~ */*~ 199 200VERSION = $(shell cat $(SRC_PATH)/VERSION) 201 202dist: qemu-$(VERSION).tar.bz2 203 204qemu-%.tar.bz2: 205 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 206 207distclean: clean recurse-distclean 208 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : 209 rm -f config-host.mak Makefile.prereqs 210 rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak 211 rm -f config.status 212 rm -f roms/seabios/config.mak 213 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 214 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 215 rm -rf meson-private meson-logs meson-info compile_commands.json 216 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp 217 rm -f config.log 218 rm -f linux-headers/asm 219 rm -Rf .sdk qemu-bundle 220 221find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ 222 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) 223 224.PHONY: ctags 225ctags: 226 $(call quiet-command, \ 227 rm -f "$(SRC_PATH)/"tags, \ 228 "CTAGS", "Remove old tags") 229 $(call quiet-command, \ 230 $(find-src-path) -exec ctags \ 231 -f "$(SRC_PATH)/"tags --append {} +, \ 232 "CTAGS", "Re-index $(SRC_PATH)") 233 234.PHONY: gtags 235gtags: 236 $(call quiet-command, \ 237 rm -f "$(SRC_PATH)/"GTAGS; \ 238 rm -f "$(SRC_PATH)/"GRTAGS; \ 239 rm -f "$(SRC_PATH)/"GPATH, \ 240 "GTAGS", "Remove old $@ files") 241 $(call quiet-command, \ 242 (cd $(SRC_PATH) && \ 243 $(find-src-path) -print | gtags -f -), \ 244 "GTAGS", "Re-index $(SRC_PATH)") 245 246.PHONY: TAGS 247TAGS: 248 $(call quiet-command, \ 249 rm -f "$(SRC_PATH)/"TAGS, \ 250 "TAGS", "Remove old $@") 251 $(call quiet-command, \ 252 $(find-src-path) -exec etags \ 253 -f "$(SRC_PATH)/"TAGS --append {} +, \ 254 "TAGS", "Re-index $(SRC_PATH)") 255 256.PHONY: cscope 257cscope: 258 $(call quiet-command, \ 259 rm -f "$(SRC_PATH)/"cscope.* , \ 260 "cscope", "Remove old $@ files") 261 $(call quiet-command, \ 262 ($(find-src-path) -print | sed -e 's,^\./,,' \ 263 > "$(SRC_PATH)/cscope.files"), \ 264 "cscope", "Create file list") 265 $(call quiet-command, \ 266 cscope -b -i"$(SRC_PATH)/cscope.files" \ 267 -f"$(SRC_PATH)"/cscope.out, \ 268 "cscope", "Re-index $(SRC_PATH)") 269 270# Needed by "meson install" 271export DESTDIR 272 273include $(SRC_PATH)/tests/lcitool/Makefile.include 274include $(SRC_PATH)/tests/docker/Makefile.include 275include $(SRC_PATH)/tests/vm/Makefile.include 276 277print-help-run = printf " %-30s - %s\\n" "$1" "$2" 278print-help = @$(call print-help-run,$1,$2) 279 280.PHONY: help 281help: 282 @echo 'Generic targets:' 283 $(call print-help,all,Build all) 284 $(call print-help,dir/file.o,Build specified target only) 285 $(call print-help,install,Install QEMU, documentation and tools) 286 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) 287 $(call print-help,cscope,Generate cscope index) 288 $(call print-help,sparse,Run sparse on the QEMU source) 289 @echo '' 290ifeq ($(CONFIG_PLUGIN),y) 291 @echo 'Plugin targets:' 292 $(call print-help,plugins,Build the example TCG plugins) 293 @echo '' 294endif 295 @echo 'Cleaning targets:' 296 $(call print-help,clean,Remove most generated files but keep the config) 297 $(call print-help,distclean,Remove all generated files) 298 $(call print-help,dist,Build a distributable tarball) 299 @echo '' 300 @echo 'Test targets:' 301 $(call print-help,check,Run all tests (check-help for details)) 302 $(call print-help,bench,Run all benchmarks) 303 $(call print-help,lcitool-help,Help about targets for managing build environment manifests) 304 $(call print-help,docker-help,Help about targets running tests inside containers) 305 $(call print-help,vm-help,Help about targets running tests inside VM) 306 @echo '' 307 @echo 'Documentation targets:' 308 $(call print-help,html man,Build documentation in specified format) 309 @echo '' 310ifdef CONFIG_WIN32 311 @echo 'Windows targets:' 312 $(call print-help,installer,Build NSIS-based installer for QEMU) 313 $(call print-help,msi,Build MSI-based installer for qemu-ga) 314 @echo '' 315endif 316 $(call print-help,$(MAKE) [targets],(quiet build, default)) 317 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 318 319# will delete the target of a rule if commands exit with a nonzero exit status 320.DELETE_ON_ERROR: 321 322print-%: 323 @echo '$*=$($*)' 324