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 17# Usage: $(call quiet-command,command and args,"NAME","args to print") 18# This will run "command and args", and either: 19# if V=1 just print the whole command and args 20# otherwise print the 'quiet' output in the format " NAME args to print" 21# NAME should be a short name of the command, 7 letters or fewer. 22# If called with only a single argument, will print nothing in quiet mode. 23quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1 24quiet-@ = $(if $(V),,@) 25quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3) 26 27UNCHECKED_GOALS := %clean TAGS cscope ctags dist \ 28 help check-help print-% \ 29 docker docker-% vm-help vm-test vm-build-% 30 31# All following code might depend on configuration variables 32ifneq ($(wildcard config-host.mak),) 33# Put the all: rule here so that config-host.mak can contain dependencies. 34all: 35include config-host.mak 36 37git-submodule-update: 38 39.PHONY: git-submodule-update 40 41git_module_status := $(shell \ 42 cd '$(SRC_PATH)' && \ 43 GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \ 44 echo $$?; \ 45) 46 47ifeq (1,$(git_module_status)) 48ifeq (no,$(GIT_UPDATE)) 49git-submodule-update: 50 $(call quiet-command, \ 51 echo && \ 52 echo "GIT submodule checkout is out of date. Please run" && \ 53 echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \ 54 echo "from the source directory checkout $(SRC_PATH)" && \ 55 echo && \ 56 exit 1) 57else 58git-submodule-update: 59 $(call quiet-command, \ 60 (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \ 61 "GIT","$(GIT_SUBMODULES)") 62endif 63endif 64 65export NINJA=./ninjatool 66 67# Running meson regenerates both build.ninja and ninjatool, and that is 68# enough to prime the rest of the build. 69ninjatool: build.ninja 70 71Makefile.ninja: build.ninja ninjatool 72 ./ninjatool -t ninja2make --omit clean dist uninstall cscope TAGS ctags < $< > $@ 73-include Makefile.ninja 74 75${ninja-targets-c_COMPILER} ${ninja-targets-cpp_COMPILER}: .var.command += -MP 76 77# If MESON is empty, the rule will be re-evaluated after Makefiles are 78# reread (and MESON won't be empty anymore). 79ifneq ($(MESON),) 80Makefile.mtest: build.ninja scripts/mtest2make.py 81 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ 82-include Makefile.mtest 83endif 84 85Makefile: .git-submodule-status 86.git-submodule-status: git-submodule-update config-host.mak 87 88# Check that we're not trying to do an out-of-tree build from 89# a tree that's been used for an in-tree build. 90ifneq ($(realpath $(SRC_PATH)),$(realpath .)) 91ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) 92$(error This is an out of tree build but your source tree ($(SRC_PATH)) \ 93seems to have been used for an in-tree build. You can fix this by running \ 94"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) 95endif 96endif 97 98config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION 99 @echo $@ is out-of-date, running configure 100 @if test -f meson-private/coredata.dat; then \ 101 ./config.status --skip-meson; \ 102 else \ 103 ./config.status; \ 104 fi 105 106# Force configure to re-run if the API symbols are updated 107ifeq ($(CONFIG_PLUGIN),y) 108config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols 109 110.PHONY: plugins 111plugins: 112 $(call quiet-command,\ 113 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ 114 "BUILD", "example plugins") 115endif 116 117else 118config-host.mak: 119ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) 120 @echo "Please call configure before running make!" 121 @exit 1 122endif 123endif 124 125# Only needed in case Makefile.ninja does not exist. 126.PHONY: ninja-clean ninja-distclean clean-ctlist 127clean-ctlist: 128ninja-clean:: 129ninja-distclean:: 130build.ninja: config-host.mak 131 132# Don't try to regenerate Makefile or configure 133# We don't generate any of them 134Makefile: ; 135configure: ; 136 137.PHONY: all clean distclean install \ 138 recurse-all dist msi FORCE 139 140SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) 141 142include $(SRC_PATH)/tests/Makefile.include 143 144all: recurse-all 145Makefile: $(addsuffix /all, $(SUBDIRS)) 146 147# LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC 148DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_lib="" 149DTC_CFLAGS=$(CFLAGS) $(QEMU_CFLAGS) 150DTC_CPPFLAGS=-I$(SRC_PATH)/dtc/libfdt 151 152.PHONY: dtc/all 153dtc/all: .git-submodule-status dtc/libfdt 154 $(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS) CPPFLAGS="$(DTC_CPPFLAGS)" CFLAGS="$(DTC_CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)" ARFLAGS="$(ARFLAGS)" CC="$(CC)" AR="$(AR)" LD="$(LD)" $(SUBDIR_MAKEFLAGS) libfdt,) 155 156dtc/%: .git-submodule-status 157 @mkdir -p $@ 158 159# Retain for a while so that incremental build across this patch 160# does not raise an error for missing target "capstone/all", which 161# comes from the saved SUBDIRS value. 162.PHONY: capstone/all 163capstone/all: 164 165.PHONY: slirp/all 166slirp/all: .git-submodule-status 167 $(call quiet-command,$(MAKE) -C $(SRC_PATH)/slirp \ 168 BUILD_DIR="$(BUILD_DIR)/slirp" \ 169 PKG_CONFIG="$(PKG_CONFIG)" \ 170 CC="$(CC)" AR="$(AR)" LD="$(LD)" RANLIB="$(RANLIB)" \ 171 CFLAGS="$(QEMU_CFLAGS) $(CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)") 172 173ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) 174ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) 175# Only keep -O and -g cflags 176.PHONY: $(ROM_DIRS_RULES) 177$(ROM_DIRS_RULES): 178 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) 179 180.PHONY: recurse-all recurse-clean 181recurse-all: $(addsuffix /all, $(ROM_DIRS)) 182recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) 183 184###################################################################### 185 186clean: recurse-clean ninja-clean clean-ctlist 187 if test -f ninjatool; then ./ninjatool $(if $(V),-v,) -t clean; fi 188# avoid old build problems by removing potentially incorrect old files 189 rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h 190 find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ 191 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ 192 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ 193 -exec rm {} + 194 rm -f TAGS cscope.* *.pod *~ */*~ 195 rm -f fsdev/*.pod scsi/*.pod 196 197VERSION = $(shell cat $(SRC_PATH)/VERSION) 198 199dist: qemu-$(VERSION).tar.bz2 200 201qemu-%.tar.bz2: 202 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" 203 204distclean: clean ninja-distclean 205 -test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g 206 rm -f config-host.mak config-host.h* 207 rm -f tests/tcg/config-*.mak 208 rm -f config-all-disas.mak config.status 209 rm -f tests/qemu-iotests/common.env 210 rm -f roms/seabios/config.mak roms/vgabios/config.mak 211 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols 212 rm -f *-config-target.h *-config-devices.mak *-config-devices.h 213 rm -rf meson-private meson-logs meson-info compile_commands.json 214 rm -f Makefile.ninja ninjatool ninjatool.stamp Makefile.mtest 215 rm -f config.log 216 rm -f linux-headers/asm 217 rm -Rf .sdk 218 219find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]" 220 221.PHONY: ctags 222ctags: 223 rm -f tags 224 $(find-src-path) -exec ctags --append {} + 225 226.PHONY: TAGS 227TAGS: 228 rm -f TAGS 229 $(find-src-path) -exec etags --append {} + 230 231.PHONY: cscope 232cscope: 233 rm -f "$(SRC_PATH)"/cscope.* 234 $(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files" 235 cscope -b -i"$(SRC_PATH)/cscope.files" 236 237# Needed by "meson install" 238export DESTDIR 239 240include $(SRC_PATH)/tests/docker/Makefile.include 241include $(SRC_PATH)/tests/vm/Makefile.include 242 243print-help-run = printf " %-30s - %s\\n" "$1" "$2" 244print-help = $(quiet-@)$(call print-help-run,$1,$2) 245 246.PHONY: help 247help: 248 @echo 'Generic targets:' 249 $(call print-help,all,Build all) 250 $(call print-help,dir/file.o,Build specified target only) 251 $(call print-help,install,Install QEMU, documentation and tools) 252 $(call print-help,ctags/TAGS,Generate tags file for editors) 253 $(call print-help,cscope,Generate cscope index) 254 $(call print-help,sparse,Run sparse on the QEMU source) 255 @echo '' 256ifeq ($(CONFIG_PLUGIN),y) 257 @echo 'Plugin targets:' 258 $(call print-help,plugins,Build the example TCG plugins) 259 @echo '' 260endif 261 @echo 'Cleaning targets:' 262 $(call print-help,clean,Remove most generated files but keep the config) 263 $(call print-help,distclean,Remove all generated files) 264 $(call print-help,dist,Build a distributable tarball) 265 @echo '' 266 @echo 'Test targets:' 267 $(call print-help,check,Run all tests (check-help for details)) 268 $(call print-help,bench,Run all benchmarks) 269 $(call print-help,docker,Help about targets running tests inside containers) 270 $(call print-help,vm-help,Help about targets running tests inside VM) 271 @echo '' 272 @echo 'Documentation targets:' 273 $(call print-help,html man,Build documentation in specified format) 274 @echo '' 275ifdef CONFIG_WIN32 276 @echo 'Windows targets:' 277 $(call print-help,installer,Build NSIS-based installer for QEMU) 278ifdef CONFIG_QGA_MSI 279 $(call print-help,msi,Build MSI-based installer for qemu-ga) 280endif 281 @echo '' 282endif 283 $(call print-help,$(MAKE) [targets],(quiet build, default)) 284 $(call print-help,$(MAKE) V=1 [targets],(verbose build)) 285 286# will delete the target of a rule if commands exit with a nonzero exit status 287.DELETE_ON_ERROR: 288 289print-%: 290 @echo '$*=$($*)' 291