# Makefile for QEMU. ifneq ($(words $(subst :, ,$(CURDIR))), 1) $(error main directory cannot contain spaces nor colons) endif # Always point to the root of the build tree (needs GNU make). BUILD_DIR=$(CURDIR) # Before including a proper config-host.mak, assume we are in the source tree SRC_PATH=. # Don't use implicit rules or variables # we have explicit rules for everything MAKEFLAGS += -rR SHELL = bash -o pipefail # Usage: $(call quiet-command,command and args,"NAME","args to print") # This will run "command and args", and either: # if V=1 just print the whole command and args # otherwise print the 'quiet' output in the format " NAME args to print" # NAME should be a short name of the command, 7 letters or fewer. # If called with only a single argument, will print nothing in quiet mode. quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1 quiet-@ = $(if $(V),,@) quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3) UNCHECKED_GOALS := %clean TAGS cscope ctags dist \ help check-help print-% \ docker docker-% vm-help vm-test vm-build-% all: .PHONY: all clean distclean recurse-all dist msi FORCE # Don't try to regenerate Makefile or configure # We don't generate any of them Makefile: ; configure: ; # All following code might depend on configuration variables ifneq ($(wildcard config-host.mak),) include config-host.mak git-submodule-update: .git-submodule-status: git-submodule-update config-host.mak Makefile: .git-submodule-status .PHONY: git-submodule-update git-submodule-update: ifneq ($(GIT_SUBMODULES_ACTION),ignore) $(call quiet-command, \ (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \ "GIT","$(GIT_SUBMODULES)") endif # 0. ensure the build tree is okay # Check that we're not trying to do an out-of-tree build from # a tree that's been used for an in-tree build. ifneq ($(realpath $(SRC_PATH)),$(realpath .)) ifneq ($(wildcard $(SRC_PATH)/config-host.mak),) $(error This is an out of tree build but your source tree ($(SRC_PATH)) \ seems to have been used for an in-tree build. You can fix this by running \ "$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree) endif endif # force a rerun of configure if config-host.mak is too old or corrupted ifeq ($(MESON),) .PHONY: config-host.mak x := $(shell rm -rf meson-private meson-info meson-logs) endif ifeq ($(NINJA),) .PHONY: config-host.mak x := $(shell rm -rf meson-private meson-info meson-logs) else export NINJA endif ifeq ($(wildcard build.ninja),) .PHONY: config-host.mak x := $(shell rm -rf meson-private meson-info meson-logs) endif ifeq ($(origin prefix),file) .PHONY: config-host.mak x := $(shell rm -rf meson-private meson-info meson-logs) endif # 1. ensure config-host.mak is up-to-date config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION @echo config-host.mak is out-of-date, running configure @if test -f meson-private/coredata.dat; then \ ./config.status --skip-meson; \ else \ ./config.status && touch build.ninja.stamp; \ fi # 2. meson.stamp exists if meson has run at least once (so ninja reconfigure # works), but otherwise never needs to be updated meson-private/coredata.dat: meson.stamp meson.stamp: config-host.mak @touch meson.stamp # 3. ensure generated build files are up-to-date ifneq ($(NINJA),) Makefile.ninja: build.ninja $(quiet-@){ \ echo 'ninja-targets = \'; \ $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \ echo 'build-files = \'; \ $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \ } > $@.tmp && mv $@.tmp $@ -include Makefile.ninja # A separate rule is needed for Makefile dependencies to avoid -n build.ninja: build.ninja.stamp $(build-files): build.ninja.stamp: meson.stamp $(build-files) $(NINJA) $(if $V,-v,) build.ninja && touch $@ endif ifneq ($(MESON),) Makefile.mtest: build.ninja scripts/mtest2make.py $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ -include Makefile.mtest .PHONY: update-buildoptions all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \ scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@ endif # 4. Rules to bridge to other makefiles ifneq ($(NINJA),) # Filter out long options to avoid flags like --no-print-directory which # may result in false positive match for MAKE.n MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS)))) MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS)))) MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS)))) MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ ninja-cmd-goals = $(or $(MAKECMDGOALS), all) ninja-cmd-goals += $(foreach t, $(.check.build-suites), $(.check-$t.deps)) ninja-cmd-goals += $(foreach t, $(.bench.build-suites), $(.bench-$t.deps)) makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall # "ninja -t targets" also lists all prerequisites. If build system # files are marked as PHONY, however, Make will always try to execute # "ninja build.ninja". ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets)) .PHONY: $(ninja-targets) run-ninja $(ninja-targets): run-ninja # Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the # --output-sync line. run-ninja: config-host.mak ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),) +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \ $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat) endif endif # Force configure to re-run if the API symbols are updated ifeq ($(CONFIG_PLUGIN),y) config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols .PHONY: plugins plugins: $(call quiet-command,\ $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \ "BUILD", "example plugins") endif # $(CONFIG_PLUGIN) else # config-host.mak does not exist config-host.mak: ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail)) @echo "Please call configure before running make!" @exit 1 endif endif # config-host.mak does not exist SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) include $(SRC_PATH)/tests/Makefile.include all: recurse-all ROM_DIRS = $(addprefix pc-bios/, $(ROMS)) ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS))) # Only keep -O and -g cflags .PHONY: $(ROM_DIRS_RULES) $(ROM_DIRS_RULES): $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),) .PHONY: recurse-all recurse-clean recurse-all: $(addsuffix /all, $(ROM_DIRS)) recurse-clean: $(addsuffix /clean, $(ROM_DIRS)) ###################################################################### clean: recurse-clean -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || : -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || : find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ -exec rm {} + rm -f TAGS cscope.* *~ */*~ VERSION = $(shell cat $(SRC_PATH)/VERSION) dist: qemu-$(VERSION).tar.bz2 qemu-%.tar.bz2: $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)" distclean: clean -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || : rm -f config-host.mak config-poison.h rm -f tests/tcg/config-*.mak rm -f config.status rm -f roms/seabios/config.mak rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols rm -f *-config-target.h *-config-devices.mak *-config-devices.h rm -rf meson-private meson-logs meson-info compile_commands.json rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp rm -f config.log rm -f linux-headers/asm rm -Rf .sdk find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \ -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \) .PHONY: ctags ctags: $(call quiet-command, \ rm -f "$(SRC_PATH)/"tags, \ "CTAGS", "Remove old tags") $(call quiet-command, \ $(find-src-path) -exec ctags \ -f "$(SRC_PATH)/"tags --append {} +, \ "CTAGS", "Re-index $(SRC_PATH)") .PHONY: gtags gtags: $(call quiet-command, \ rm -f "$(SRC_PATH)/"GTAGS; \ rm -f "$(SRC_PATH)/"GRTAGS; \ rm -f "$(SRC_PATH)/"GPATH, \ "GTAGS", "Remove old $@ files") $(call quiet-command, \ (cd $(SRC_PATH) && \ $(find-src-path) -print | gtags -f -), \ "GTAGS", "Re-index $(SRC_PATH)") .PHONY: TAGS TAGS: $(call quiet-command, \ rm -f "$(SRC_PATH)/"TAGS, \ "TAGS", "Remove old $@") $(call quiet-command, \ $(find-src-path) -exec etags \ -f "$(SRC_PATH)/"TAGS --append {} +, \ "TAGS", "Re-index $(SRC_PATH)") .PHONY: cscope cscope: $(call quiet-command, \ rm -f "$(SRC_PATH)/"cscope.* , \ "cscope", "Remove old $@ files") $(call quiet-command, \ ($(find-src-path) -print | sed -e 's,^\./,,' \ > "$(SRC_PATH)/cscope.files"), \ "cscope", "Create file list") $(call quiet-command, \ cscope -b -i"$(SRC_PATH)/cscope.files" \ -f"$(SRC_PATH)"/cscope.out, \ "cscope", "Re-index $(SRC_PATH)") # Needed by "meson install" export DESTDIR include $(SRC_PATH)/tests/docker/Makefile.include include $(SRC_PATH)/tests/vm/Makefile.include print-help-run = printf " %-30s - %s\\n" "$1" "$2" print-help = @$(call print-help-run,$1,$2) .PHONY: help help: @echo 'Generic targets:' $(call print-help,all,Build all) $(call print-help,dir/file.o,Build specified target only) $(call print-help,install,Install QEMU, documentation and tools) $(call print-help,ctags/gtags/TAGS,Generate tags file for editors) $(call print-help,cscope,Generate cscope index) $(call print-help,sparse,Run sparse on the QEMU source) @echo '' ifeq ($(CONFIG_PLUGIN),y) @echo 'Plugin targets:' $(call print-help,plugins,Build the example TCG plugins) @echo '' endif @echo 'Cleaning targets:' $(call print-help,clean,Remove most generated files but keep the config) $(call print-help,distclean,Remove all generated files) $(call print-help,dist,Build a distributable tarball) @echo '' @echo 'Test targets:' $(call print-help,check,Run all tests (check-help for details)) $(call print-help,bench,Run all benchmarks) $(call print-help,docker-help,Help about targets running tests inside containers) $(call print-help,vm-help,Help about targets running tests inside VM) @echo '' @echo 'Documentation targets:' $(call print-help,html man,Build documentation in specified format) @echo '' ifdef CONFIG_WIN32 @echo 'Windows targets:' $(call print-help,installer,Build NSIS-based installer for QEMU) $(call print-help,msi,Build MSI-based installer for qemu-ga) @echo '' endif $(call print-help,$(MAKE) [targets],(quiet build, default)) $(call print-help,$(MAKE) V=1 [targets],(verbose build)) # will delete the target of a rule if commands exit with a nonzero exit status .DELETE_ON_ERROR: print-%: @echo '$*=$($*)'