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https://github.com/xemu-project/xemu.git
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09e93326e4
Now that the build is done entirely by Meson, there is no need to keep the Makefile conversion. Instead, we can ask Ninja about the targets it exposes and forward them. The main advantages are, from smallest to largest: - reducing the possible namespace pollution within the Makefile - removal of a relatively large Python program - faster build because parsing Makefile.ninja is slower than parsing build.ninja; and faster build after Meson runs because we do not have to generate Makefile.ninja. - tracking of command lines, which provides more accurate rebuilds In addition the change removes the requirement for GNU make 3.82, which was annoying on Mac, and avoids bugs on Windows due to ninjatool not knowing how to convert Windows escapes to POSIX escapes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
294 lines
9.5 KiB
Makefile
294 lines
9.5 KiB
Makefile
# Makefile for QEMU.
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ifneq ($(words $(subst :, ,$(CURDIR))), 1)
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$(error main directory cannot contain spaces nor colons)
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endif
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# Always point to the root of the build tree (needs GNU make).
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BUILD_DIR=$(CURDIR)
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# Before including a proper config-host.mak, assume we are in the source tree
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SRC_PATH=.
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# Don't use implicit rules or variables
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# we have explicit rules for everything
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MAKEFLAGS += -rR
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SHELL = /usr/bin/env bash -o pipefail
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# Usage: $(call quiet-command,command and args,"NAME","args to print")
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# This will run "command and args", and either:
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# if V=1 just print the whole command and args
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# otherwise print the 'quiet' output in the format " NAME args to print"
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# NAME should be a short name of the command, 7 letters or fewer.
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# If called with only a single argument, will print nothing in quiet mode.
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quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1
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quiet-@ = $(if $(V),,@)
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quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
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UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
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help check-help print-% \
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docker docker-% vm-help vm-test vm-build-%
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all:
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.PHONY: all clean distclean recurse-all dist msi FORCE
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# Don't try to regenerate Makefile or configure
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# We don't generate any of them
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Makefile: ;
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configure: ;
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# All following code might depend on configuration variables
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ifneq ($(wildcard config-host.mak),)
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include config-host.mak
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git-submodule-update:
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.git-submodule-status: git-submodule-update config-host.mak
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Makefile: .git-submodule-status
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.PHONY: git-submodule-update
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git_module_status := $(shell \
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cd '$(SRC_PATH)' && \
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GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \
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echo $$?; \
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)
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ifeq (1,$(git_module_status))
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ifeq (no,$(GIT_UPDATE))
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git-submodule-update:
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$(call quiet-command, \
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echo && \
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echo "GIT submodule checkout is out of date. Please run" && \
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echo " scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \
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echo "from the source directory checkout $(SRC_PATH)" && \
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echo && \
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exit 1)
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else
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git-submodule-update:
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$(call quiet-command, \
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(cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \
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"GIT","$(GIT_SUBMODULES)")
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endif
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endif
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# 0. ensure the build tree is okay
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# Check that we're not trying to do an out-of-tree build from
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# a tree that's been used for an in-tree build.
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ifneq ($(realpath $(SRC_PATH)),$(realpath .))
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ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
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$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
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seems to have been used for an in-tree build. You can fix this by running \
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"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
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endif
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endif
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# force a rerun of configure if config-host.mak is too old or corrupted
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ifeq ($(MESON),)
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.PHONY: config-host.mak
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x := $(shell rm -rf meson-private meson-info meson-logs)
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endif
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ifeq ($(NINJA),)
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.PHONY: config-host.mak
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x := $(shell rm -rf meson-private meson-info meson-logs)
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endif
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ifeq ($(wildcard build.ninja),)
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.PHONY: config-host.mak
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x := $(shell rm -rf meson-private meson-info meson-logs)
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endif
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# 1. ensure config-host.mak is up-to-date
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config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
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@echo $@ is out-of-date, running configure
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@if test -f meson-private/coredata.dat; then \
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./config.status --skip-meson; \
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else \
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./config.status; \
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fi
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# 2. ensure generated build files are up-to-date
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ifneq ($(NINJA),)
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# A separate rule is needed for Makefile dependencies to avoid -n
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export NINJA
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Makefile.ninja: build.ninja
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$(quiet-@){ echo 'ninja-targets = \'; $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; } > $@
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-include Makefile.ninja
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endif
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ifneq ($(MESON),)
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# The dependency on config-host.mak ensures that meson has run
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Makefile.mtest: build.ninja scripts/mtest2make.py config-host.mak
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$(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
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-include Makefile.mtest
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endif
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# 3. Rules to bridge to other makefiles
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ifneq ($(NINJA),)
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NINJAFLAGS = $(if $V,-v,) \
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$(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
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$(subst -k, -k0, $(filter -n -k,$(MAKEFLAGS)))
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ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
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ninja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t))
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makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
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ninja-targets := $(filter-out $(makefile-targets), $(ninja-targets))
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.PHONY: $(ninja-targets) run-ninja
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$(ninja-targets): run-ninja
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# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
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# --output-sync line.
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run-ninja: config-host.mak
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ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
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+@$(NINJA) $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat
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endif
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endif
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# Force configure to re-run if the API symbols are updated
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ifeq ($(CONFIG_PLUGIN),y)
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config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
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.PHONY: plugins
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plugins:
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$(call quiet-command,\
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$(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
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"BUILD", "example plugins")
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endif # $(CONFIG_PLUGIN)
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else # config-host.mak does not exist
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config-host.mak:
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ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
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@echo "Please call configure before running make!"
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@exit 1
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endif
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endif # config-host.mak does not exist
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SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
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include $(SRC_PATH)/tests/Makefile.include
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all: recurse-all
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ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
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ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
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# Only keep -O and -g cflags
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.PHONY: $(ROM_DIRS_RULES)
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$(ROM_DIRS_RULES):
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$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
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.PHONY: recurse-all recurse-clean
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recurse-all: $(addsuffix /all, $(ROM_DIRS))
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recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
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######################################################################
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clean: recurse-clean
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-@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean || :
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-@test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
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# avoid old build problems by removing potentially incorrect old files
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rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
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find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
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! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
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! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
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-exec rm {} +
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rm -f TAGS cscope.* *.pod *~ */*~
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rm -f fsdev/*.pod scsi/*.pod
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VERSION = $(shell cat $(SRC_PATH)/VERSION)
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dist: qemu-$(VERSION).tar.bz2
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qemu-%.tar.bz2:
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$(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
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distclean: clean
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-@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean -g || :
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rm -f config-host.mak config-host.h*
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rm -f tests/tcg/config-*.mak
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rm -f config-all-disas.mak config.status
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rm -f tests/qemu-iotests/common.env
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rm -f roms/seabios/config.mak roms/vgabios/config.mak
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rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
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rm -f *-config-target.h *-config-devices.mak *-config-devices.h
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rm -rf meson-private meson-logs meson-info compile_commands.json
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rm -f Makefile.ninja Makefile.mtest
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rm -f config.log
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rm -f linux-headers/asm
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rm -Rf .sdk
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find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]"
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.PHONY: ctags
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ctags:
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rm -f "$(SRC_PATH)/"tags
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$(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} +
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.PHONY: TAGS
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TAGS:
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rm -f "$(SRC_PATH)/"TAGS
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$(find-src-path) -exec etags -f "$(SRC_PATH)/"TAGS --append {} +
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.PHONY: cscope
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cscope:
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rm -f "$(SRC_PATH)"/cscope.*
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$(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
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cscope -b -i"$(SRC_PATH)/cscope.files" -f"$(SRC_PATH)"/cscope.out
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# Needed by "meson install"
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export DESTDIR
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include $(SRC_PATH)/tests/docker/Makefile.include
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include $(SRC_PATH)/tests/vm/Makefile.include
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print-help-run = printf " %-30s - %s\\n" "$1" "$2"
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print-help = $(quiet-@)$(call print-help-run,$1,$2)
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.PHONY: help
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help:
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@echo 'Generic targets:'
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$(call print-help,all,Build all)
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$(call print-help,dir/file.o,Build specified target only)
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$(call print-help,install,Install QEMU, documentation and tools)
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$(call print-help,ctags/TAGS,Generate tags file for editors)
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$(call print-help,cscope,Generate cscope index)
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$(call print-help,sparse,Run sparse on the QEMU source)
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@echo ''
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ifeq ($(CONFIG_PLUGIN),y)
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@echo 'Plugin targets:'
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$(call print-help,plugins,Build the example TCG plugins)
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@echo ''
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endif
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@echo 'Cleaning targets:'
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$(call print-help,clean,Remove most generated files but keep the config)
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$(call print-help,distclean,Remove all generated files)
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$(call print-help,dist,Build a distributable tarball)
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@echo ''
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@echo 'Test targets:'
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$(call print-help,check,Run all tests (check-help for details))
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$(call print-help,bench,Run all benchmarks)
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$(call print-help,docker,Help about targets running tests inside containers)
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$(call print-help,vm-help,Help about targets running tests inside VM)
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@echo ''
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@echo 'Documentation targets:'
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$(call print-help,html man,Build documentation in specified format)
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@echo ''
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ifdef CONFIG_WIN32
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@echo 'Windows targets:'
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$(call print-help,installer,Build NSIS-based installer for QEMU)
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ifdef CONFIG_QGA_MSI
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$(call print-help,msi,Build MSI-based installer for qemu-ga)
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endif
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@echo ''
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endif
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$(call print-help,$(MAKE) [targets],(quiet build, default))
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$(call print-help,$(MAKE) V=1 [targets],(verbose build))
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# will delete the target of a rule if commands exit with a nonzero exit status
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.DELETE_ON_ERROR:
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print-%:
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@echo '$*=$($*)'
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