e0447a834d
We are generating a lot of target-specific defines in the *-config-devices.h and *-config-target.h files. Using them in common code is wrong and leads to very subtle bugs since a "#ifdef CONFIG_SOMETHING" is not working there as expected. To avoid these issues, we are already poisoning many of the macros in include/exec/poison.h - but it's cumbersome to maintain this list manually. Thus let's generate an additional list of poisoned macros automatically from the current config switches - this should give us a much better test coverage via the different CI configurations. Note that CONFIG_TCG (which is also defined in config-host.h) and CONFIG_USER_ONLY are special, so we have to filter these out. Message-Id: <20210414112004.943383-5-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
328 lines
11 KiB
Makefile
328 lines
11 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-submodule-update:
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$(call quiet-command, \
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(GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
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"GIT","$(GIT_SUBMODULES)")
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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 := $(shell rm -rf meson-private meson-info meson-logs)
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else
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export NINJA
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endif
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ifeq ($(wildcard build.ninja),)
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.PHONY: config-host.mak
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x := $(shell rm -rf meson-private meson-info meson-logs)
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endif
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ifeq ($(origin prefix),file)
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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 $(SRC_PATH)/VERSION
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@echo config-host.mak is out-of-date, running configure
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@if test -f meson-private/coredata.dat; then \
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./config.status --skip-meson; \
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else \
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./config.status && touch build.ninja.stamp; \
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fi
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# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
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# works), but otherwise never needs to be updated
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meson-private/coredata.dat: meson.stamp
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meson.stamp: config-host.mak
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@touch meson.stamp
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# 3. ensure generated build files are up-to-date
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ifneq ($(NINJA),)
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Makefile.ninja: build.ninja
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$(quiet-@){ \
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echo 'ninja-targets = \'; \
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$(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
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echo 'build-files = \'; \
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$(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
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} > $@.tmp && mv $@.tmp $@
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-include Makefile.ninja
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# A separate rule is needed for Makefile dependencies to avoid -n
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build.ninja: build.ninja.stamp
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$(build-files):
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build.ninja.stamp: meson.stamp $(build-files)
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$(NINJA) $(if $V,-v,) build.ninja && touch $@
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endif
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ifneq ($(MESON),)
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Makefile.mtest: build.ninja scripts/mtest2make.py
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$(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
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-include Makefile.mtest
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endif
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# 4. Rules to bridge to other makefiles
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ifneq ($(NINJA),)
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MAKE.n = $(findstring n,$(firstword $(MAKEFLAGS)))
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MAKE.k = $(findstring k,$(firstword $(MAKEFLAGS)))
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MAKE.q = $(findstring q,$(firstword $(MAKEFLAGS)))
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MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
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NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
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$(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(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 -t targets" also lists all prerequisites. If build system
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# files are marked as PHONY, however, Make will always try to execute
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# "ninja build.ninja".
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ninja-targets := $(filter-out $(build-files) $(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), $(ninja-cmd-goals)),)
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+$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \
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$(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, $(ROM_DIRS))
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######################################################################
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clean: recurse-clean
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-$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
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-$(quiet-@)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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-$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
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rm -f config-host.mak config-host.h* config-poison.h
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rm -f tests/tcg/config-*.mak
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rm -f config-all-disas.mak config.status
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rm -f roms/seabios/config.mak roms/vgabios/config.mak
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rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
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rm -f *-config-target.h *-config-devices.mak *-config-devices.h
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rm -rf meson-private meson-logs meson-info compile_commands.json
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rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
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rm -f config.log
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rm -f linux-headers/asm
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rm -Rf .sdk
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find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
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.PHONY: ctags
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ctags:
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$(call quiet-command, \
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rm -f "$(SRC_PATH)/"tags, \
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"CTAGS", "Remove old tags")
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$(call quiet-command, \
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$(find-src-path) -exec ctags \
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-f "$(SRC_PATH)/"tags --append {} +, \
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"CTAGS", "Re-index $(SRC_PATH)")
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.PHONY: gtags
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gtags:
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$(call quiet-command, \
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rm -f "$(SRC_PATH)/"GTAGS; \
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rm -f "$(SRC_PATH)/"GRTAGS; \
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rm -f "$(SRC_PATH)/"GPATH, \
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"GTAGS", "Remove old $@ files")
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$(call quiet-command, \
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(cd $(SRC_PATH) && \
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$(find-src-path) | gtags -f -), \
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"GTAGS", "Re-index $(SRC_PATH)")
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.PHONY: TAGS
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TAGS:
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$(call quiet-command, \
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rm -f "$(SRC_PATH)/"TAGS, \
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"TAGS", "Remove old $@")
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$(call quiet-command, \
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$(find-src-path) -exec etags \
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-f "$(SRC_PATH)/"TAGS --append {} +, \
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"TAGS", "Re-index $(SRC_PATH)")
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.PHONY: cscope
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cscope:
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$(call quiet-command, \
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rm -f "$(SRC_PATH)/"cscope.* , \
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"cscope", "Remove old $@ files")
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$(call quiet-command, \
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($(find-src-path) -print | sed -e 's,^\./,,' \
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> "$(SRC_PATH)/cscope.files"), \
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"cscope", "Create file list")
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$(call quiet-command, \
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cscope -b -i"$(SRC_PATH)/cscope.files" \
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-f"$(SRC_PATH)"/cscope.out, \
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"cscope", "Re-index $(SRC_PATH)")
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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" "$2"
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print-help = @$(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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$(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
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$(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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$(call print-help,docker-help,Help about targets running tests inside containers)
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$(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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$(call print-help,msi,Build MSI-based installer for qemu-ga)
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@echo ''
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endif
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$(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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