xref: /openbmc/qemu/Makefile (revision 5914ef77cc1bd4c3d79ccd3e3f82f34604275b93)
10cb3fb1eSpbrook# Makefile for QEMU.
20cb3fb1eSpbrook
34ace32e2SAntonio Ospiteifneq ($(words $(subst :, ,$(CURDIR))), 1)
44ace32e2SAntonio Ospite  $(error main directory cannot contain spaces nor colons)
54ace32e2SAntonio Ospiteendif
64ace32e2SAntonio Ospite
7519e1693SStefan Weil# Always point to the root of the build tree (needs GNU make).
8519e1693SStefan WeilBUILD_DIR=$(CURDIR)
9388d4758SLluís Vilanova
10eaa2ddbbSFam Zheng# Before including a proper config-host.mak, assume we are in the source tree
11eaa2ddbbSFam ZhengSRC_PATH=.
12eaa2ddbbSFam Zheng
13660f7930SPaolo Bonzini# Don't use implicit rules or variables
14660f7930SPaolo Bonzini# we have explicit rules for everything
15660f7930SPaolo BonziniMAKEFLAGS += -rR
16660f7930SPaolo Bonzini
173bf45835SPaolo BonziniSHELL = /usr/bin/env bash -o pipefail
183bf45835SPaolo Bonzini
19660f7930SPaolo Bonzini# Usage: $(call quiet-command,command and args,"NAME","args to print")
20660f7930SPaolo Bonzini# This will run "command and args", and either:
21660f7930SPaolo Bonzini#  if V=1 just print the whole command and args
22660f7930SPaolo Bonzini#  otherwise print the 'quiet' output in the format "  NAME     args to print"
23660f7930SPaolo Bonzini# NAME should be a short name of the command, 7 letters or fewer.
24660f7930SPaolo Bonzini# If called with only a single argument, will print nothing in quiet mode.
25660f7930SPaolo Bonziniquiet-command-run = $(if $(V),,$(if $2,printf "  %-7s %s\n" $2 $3 && ))$1
26660f7930SPaolo Bonziniquiet-@ = $(if $(V),,@)
27660f7930SPaolo Bonziniquiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
28660f7930SPaolo Bonzini
2928fa2927SPhilippe Mathieu-DaudéUNCHECKED_GOALS := %clean TAGS cscope ctags dist \
30de1da442SMarc-André Lureau    help check-help print-% \
314f2f6276SPhilippe Mathieu-Daudé    docker docker-% vm-help vm-test vm-build-%
32eaa2ddbbSFam Zheng
332b8575bdSPaolo Bonziniall:
342b8575bdSPaolo Bonzini.PHONY: all clean distclean recurse-all dist msi FORCE
352b8575bdSPaolo Bonzini
362b8575bdSPaolo Bonzini# Don't try to regenerate Makefile or configure
372b8575bdSPaolo Bonzini# We don't generate any of them
382b8575bdSPaolo BonziniMakefile: ;
392b8575bdSPaolo Bonziniconfigure: ;
402b8575bdSPaolo Bonzini
41250b086eSLluís Vilanova# All following code might depend on configuration variables
4255d7e8f6Saurel32ifneq ($(wildcard config-host.mak),)
43ad064840Spbrookinclude config-host.mak
44d1bd2423SPeter Maydell
45aef45d51SDaniel P. Berrangegit-submodule-update:
462b8575bdSPaolo Bonzini.git-submodule-status: git-submodule-update config-host.mak
472b8575bdSPaolo BonziniMakefile: .git-submodule-status
48aef45d51SDaniel P. Berrange
49aef45d51SDaniel P. Berrange.PHONY: git-submodule-update
50aef45d51SDaniel P. Berrange
51aef45d51SDaniel P. Berrangegit_module_status := $(shell \
52aef45d51SDaniel P. Berrange  cd '$(SRC_PATH)' && \
53cc84d63aSDaniel P. Berrange  GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \
54aef45d51SDaniel P. Berrange  echo $$?; \
55aef45d51SDaniel P. Berrange)
56aef45d51SDaniel P. Berrange
57aef45d51SDaniel P. Berrangeifeq (1,$(git_module_status))
58f62bbee5SDaniel P. Berrangeifeq (no,$(GIT_UPDATE))
59f62bbee5SDaniel P. Berrangegit-submodule-update:
60f62bbee5SDaniel P. Berrange	$(call quiet-command, \
61f62bbee5SDaniel P. Berrange            echo && \
62f62bbee5SDaniel P. Berrange            echo "GIT submodule checkout is out of date. Please run" && \
63f62bbee5SDaniel P. Berrange            echo "  scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \
64f62bbee5SDaniel P. Berrange            echo "from the source directory checkout $(SRC_PATH)" && \
65f62bbee5SDaniel P. Berrange            echo && \
66f62bbee5SDaniel P. Berrange            exit 1)
67f62bbee5SDaniel P. Berrangeelse
68aef45d51SDaniel P. Berrangegit-submodule-update:
69aef45d51SDaniel P. Berrange	$(call quiet-command, \
70cc84d63aSDaniel P. Berrange          (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \
71aef45d51SDaniel P. Berrange          "GIT","$(GIT_SUBMODULES)")
72aef45d51SDaniel P. Berrangeendif
73aef45d51SDaniel P. Berrangeendif
74aef45d51SDaniel P. Berrange
7509e93326SPaolo Bonzini# 0. ensure the build tree is okay
76a5665051SPaolo Bonzini
77d1bd2423SPeter Maydell# Check that we're not trying to do an out-of-tree build from
78d1bd2423SPeter Maydell# a tree that's been used for an in-tree build.
79d1bd2423SPeter Maydellifneq ($(realpath $(SRC_PATH)),$(realpath .))
80d1bd2423SPeter Maydellifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
81d1bd2423SPeter Maydell$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
82d1bd2423SPeter Maydellseems to have been used for an in-tree build. You can fix this by running \
83b98a3baeSPhilippe Mathieu-Daudé"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
84d1bd2423SPeter Maydellendif
85d1bd2423SPeter Maydellendif
86d1bd2423SPeter Maydell
872b8575bdSPaolo Bonzini# force a rerun of configure if config-host.mak is too old or corrupted
882b8575bdSPaolo Bonziniifeq ($(MESON),)
892b8575bdSPaolo Bonzini.PHONY: config-host.mak
902b8575bdSPaolo Bonzinix := $(shell rm -rf meson-private meson-info meson-logs)
912b8575bdSPaolo Bonziniendif
922b8575bdSPaolo Bonziniifeq ($(NINJA),)
932b8575bdSPaolo Bonzini.PHONY: config-host.mak
942b8575bdSPaolo Bonzinix := $(shell rm -rf meson-private meson-info meson-logs)
95*5914ef77SPaolo Bonzinielse
96*5914ef77SPaolo Bonziniexport NINJA
972b8575bdSPaolo Bonziniendif
982b8575bdSPaolo Bonziniifeq ($(wildcard build.ninja),)
992b8575bdSPaolo Bonzini.PHONY: config-host.mak
1002b8575bdSPaolo Bonzinix := $(shell rm -rf meson-private meson-info meson-logs)
1012b8575bdSPaolo Bonziniendif
1022b8575bdSPaolo Bonzini
10309e93326SPaolo Bonzini# 1. ensure config-host.mak is up-to-date
1043a6b016dSMarkus Armbrusterconfig-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
105*5914ef77SPaolo Bonzini	@echo config-host.mak is out-of-date, running configure
106a5665051SPaolo Bonzini	@if test -f meson-private/coredata.dat; then \
107a5665051SPaolo Bonzini	  ./config.status --skip-meson; \
108a5665051SPaolo Bonzini	else \
109*5914ef77SPaolo Bonzini	  ./config.status && touch build.ninja.stamp; \
110a5665051SPaolo Bonzini	fi
11126fffe29SEmilio G. Cota
112*5914ef77SPaolo Bonzini# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
113*5914ef77SPaolo Bonzini# works), but otherwise never needs to be updated
114*5914ef77SPaolo Bonzinimeson-private/coredata.dat: meson.stamp
115*5914ef77SPaolo Bonzinimeson.stamp: config-host.mak
116*5914ef77SPaolo Bonzini	@touch meson.stamp
117*5914ef77SPaolo Bonzini
118*5914ef77SPaolo Bonzini# 3. ensure generated build files are up-to-date
11909e93326SPaolo Bonzini
12009e93326SPaolo Bonziniifneq ($(NINJA),)
12109e93326SPaolo BonziniMakefile.ninja: build.ninja
122*5914ef77SPaolo Bonzini	$(quiet-@){ \
123*5914ef77SPaolo Bonzini	  echo 'ninja-targets = \'; \
124*5914ef77SPaolo Bonzini	  $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
125*5914ef77SPaolo Bonzini	  echo 'build-files = \'; \
126*5914ef77SPaolo Bonzini	  $(NINJA) -t query build.ninja | sed -n '1,/^  input:/d; /^  outputs:/q; s/$$/ \\/p'; \
127*5914ef77SPaolo Bonzini	} > $@.tmp && mv $@.tmp $@
12809e93326SPaolo Bonzini-include Makefile.ninja
129*5914ef77SPaolo Bonzini
130*5914ef77SPaolo Bonzini# A separate rule is needed for Makefile dependencies to avoid -n
131*5914ef77SPaolo Bonzinibuild.ninja: build.ninja.stamp
132*5914ef77SPaolo Bonzinibuild.ninja.stamp: meson.stamp $(build-files)
133*5914ef77SPaolo Bonzini	$(NINJA) $(if $V,-v,) build.ninja && touch $@
13409e93326SPaolo Bonziniendif
13509e93326SPaolo Bonzini
13609e93326SPaolo Bonziniifneq ($(MESON),)
137*5914ef77SPaolo BonziniMakefile.mtest: build.ninja scripts/mtest2make.py
13809e93326SPaolo Bonzini	$(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
13909e93326SPaolo Bonzini-include Makefile.mtest
14009e93326SPaolo Bonziniendif
14109e93326SPaolo Bonzini
142*5914ef77SPaolo Bonzini# 4. Rules to bridge to other makefiles
14309e93326SPaolo Bonzini
14409e93326SPaolo Bonziniifneq ($(NINJA),)
14509e93326SPaolo BonziniNINJAFLAGS = $(if $V,-v,) \
14609e93326SPaolo Bonzini        $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
14709e93326SPaolo Bonzini        $(subst -k, -k0, $(filter -n -k,$(MAKEFLAGS)))
14809e93326SPaolo Bonzini
14909e93326SPaolo Bonzinininja-cmd-goals = $(or $(MAKECMDGOALS), all)
15009e93326SPaolo Bonzinininja-cmd-goals += $(foreach t, $(.tests), $(.test.deps.$t))
15109e93326SPaolo Bonzini
15209e93326SPaolo Bonzinimakefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
153*5914ef77SPaolo Bonzini# "ninja -t targets" also lists all prerequisites.  If build system
154*5914ef77SPaolo Bonzini# files are marked as PHONY, however, Make will always try to execute
155*5914ef77SPaolo Bonzini# "ninja build.ninja".
156*5914ef77SPaolo Bonzinininja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
15709e93326SPaolo Bonzini.PHONY: $(ninja-targets) run-ninja
15809e93326SPaolo Bonzini$(ninja-targets): run-ninja
15909e93326SPaolo Bonzini
16009e93326SPaolo Bonzini# Use "| cat" to give Ninja a more "make-y" output.  Use "+" to bypass the
16109e93326SPaolo Bonzini# --output-sync line.
16209e93326SPaolo Bonzinirun-ninja: config-host.mak
16309e93326SPaolo Bonziniifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
16409e93326SPaolo Bonzini	+@$(NINJA) $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat
16509e93326SPaolo Bonziniendif
16609e93326SPaolo Bonziniendif
16709e93326SPaolo Bonzini
16826fffe29SEmilio G. Cota# Force configure to re-run if the API symbols are updated
16926fffe29SEmilio G. Cotaifeq ($(CONFIG_PLUGIN),y)
17026fffe29SEmilio G. Cotaconfig-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
171c17a386bSAlex Bennée
172c17a386bSAlex Bennée.PHONY: plugins
173c17a386bSAlex Bennéeplugins:
174c17a386bSAlex Bennée	$(call quiet-command,\
175c17a386bSAlex Bennée		$(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
176c17a386bSAlex Bennée		"BUILD", "example plugins")
1772b8575bdSPaolo Bonziniendif # $(CONFIG_PLUGIN)
17826fffe29SEmilio G. Cota
1792b8575bdSPaolo Bonzinielse # config-host.mak does not exist
18055d7e8f6Saurel32config-host.mak:
181eaa2ddbbSFam Zhengifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
18255d7e8f6Saurel32	@echo "Please call configure before running make!"
18355d7e8f6Saurel32	@exit 1
18455d7e8f6Saurel32endif
1852b8575bdSPaolo Bonziniendif # config-host.mak does not exist
186766a487aSbellard
187660f7930SPaolo BonziniSUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
188a992fe3dSPaul Brook
18946e7b706SFam Zhenginclude $(SRC_PATH)/tests/Makefile.include
190992aeb8eSPaolo Bonzini
191484e2cc7SPaolo Bonziniall: recurse-all
192675b9b53SMarc-André Lureau
1933b8593eeSMarkus ArmbrusterROM_DIRS = $(addprefix pc-bios/, $(ROMS))
1941338a4b7SMarkus ArmbrusterROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
195a9c87304SMarc-André Lureau# Only keep -O and -g cflags
1961338a4b7SMarkus Armbruster.PHONY: $(ROM_DIRS_RULES)
1971338a4b7SMarkus Armbruster$(ROM_DIRS_RULES):
19849b7d744SPaolo Bonzini	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
199c05ac895SPaul Brook
2005e6d1573SPaolo Bonzini.PHONY: recurse-all recurse-clean
20149b7d744SPaolo Bonzinirecurse-all: $(addsuffix /all, $(ROM_DIRS))
2025e6d1573SPaolo Bonzinirecurse-clean: $(addsuffix /clean, $(ROM_DIRS))
2034aa42531Spbrook
2043bc2f570SPaolo Bonzini######################################################################
2054fb240a4Sbellard
20609e93326SPaolo Bonziniclean: recurse-clean
20709e93326SPaolo Bonzini	-@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean || :
20809e93326SPaolo Bonzini	-@test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
2092d80ae89Sbellard# avoid old build problems by removing potentially incorrect old files
21025be210fSJuan Quintela	rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
211484e2cc7SPaolo Bonzini	find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
21223858f40SLaszlo Ersek		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
21323858f40SLaszlo Ersek		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
21423858f40SLaszlo Ersek		-exec rm {} +
215c3a0ee84SPaolo Bonzini	rm -f TAGS cscope.* *.pod *~ */*~
216b855f8d1SPaolo Bonzini	rm -f fsdev/*.pod scsi/*.pod
21731e31b8aSbellard
218859aef02SPaolo BonziniVERSION = $(shell cat $(SRC_PATH)/VERSION)
21934bb443eSAnthony Liguori
22034bb443eSAnthony Liguoridist: qemu-$(VERSION).tar.bz2
22134bb443eSAnthony Liguori
22234bb443eSAnthony Liguoriqemu-%.tar.bz2:
22334bb443eSAnthony Liguori	$(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
22434bb443eSAnthony Liguori
22509e93326SPaolo Bonzinidistclean: clean
22609e93326SPaolo Bonzini	-@test -f build.ninja && $(quiet-@)$(NINJA) $(NINJAFLAGS) -t clean -g || :
227acfdaac5SPaolo Bonzini	rm -f config-host.mak config-host.h*
2282038f8c8SPaolo Bonzini	rm -f tests/tcg/config-*.mak
2292becc36aSPaolo Bonzini	rm -f config-all-disas.mak config.status
230e8f3bd71SMarc-André Lureau	rm -f tests/qemu-iotests/common.env
231fc8e320eSMagnus Damm	rm -f roms/seabios/config.mak roms/vgabios/config.mak
23226fffe29SEmilio G. Cota	rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
23364ed6f92SPaolo Bonzini	rm -f *-config-target.h *-config-devices.mak *-config-devices.h
234a5665051SPaolo Bonzini	rm -rf meson-private meson-logs meson-info compile_commands.json
235*5914ef77SPaolo Bonzini	rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
236793553acSAlexandre Raymond	rm -f config.log
23767ed96f9SPeter Maydell	rm -f linux-headers/asm
238d9840e25STomoki Sekiyama	rm -Rf .sdk
2397d13299dSbellard
240c857f905SGreg Kurzfind-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]"
241c857f905SGreg Kurz
242d7986405SGreg Kurz.PHONY: ctags
243d7986405SGreg Kurzctags:
244e90df5eaSGreg Kurz	rm -f "$(SRC_PATH)/"tags
245e90df5eaSGreg Kurz	$(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} +
246d7986405SGreg Kurz
247d7986405SGreg Kurz.PHONY: TAGS
248d7986405SGreg KurzTAGS:
249e90df5eaSGreg Kurz	rm -f "$(SRC_PATH)/"TAGS
250e90df5eaSGreg Kurz	$(find-src-path) -exec etags -f "$(SRC_PATH)/"TAGS --append {} +
251d7986405SGreg Kurz
252d7986405SGreg Kurz.PHONY: cscope
253d7986405SGreg Kurzcscope:
254d7986405SGreg Kurz	rm -f "$(SRC_PATH)"/cscope.*
255c857f905SGreg Kurz	$(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
256e90df5eaSGreg Kurz	cscope -b -i"$(SRC_PATH)/cscope.files" -f"$(SRC_PATH)"/cscope.out
257d7986405SGreg Kurz
258a5665051SPaolo Bonzini# Needed by "meson install"
259a5665051SPaolo Bonziniexport DESTDIR
260612384d7Sbellard
261324027c2SFam Zhenginclude $(SRC_PATH)/tests/docker/Makefile.include
262b1fb9a63SFam Zhenginclude $(SRC_PATH)/tests/vm/Makefile.include
2630d8e065fSMarc-André Lureau
264c355de59SPhilippe Mathieu-Daudéprint-help-run = printf "  %-30s - %s\\n" "$1" "$2"
265c355de59SPhilippe Mathieu-Daudéprint-help = $(quiet-@)$(call print-help-run,$1,$2)
266c355de59SPhilippe Mathieu-Daudé
2670d8e065fSMarc-André Lureau.PHONY: help
2680d8e065fSMarc-André Lureauhelp:
2690d8e065fSMarc-André Lureau	@echo  'Generic targets:'
270c355de59SPhilippe Mathieu-Daudé	$(call print-help,all,Build all)
271c355de59SPhilippe Mathieu-Daudé	$(call print-help,dir/file.o,Build specified target only)
272c355de59SPhilippe Mathieu-Daudé	$(call print-help,install,Install QEMU, documentation and tools)
273c355de59SPhilippe Mathieu-Daudé	$(call print-help,ctags/TAGS,Generate tags file for editors)
274c355de59SPhilippe Mathieu-Daudé	$(call print-help,cscope,Generate cscope index)
275968b4db3SPaolo Bonzini	$(call print-help,sparse,Run sparse on the QEMU source)
2760d8e065fSMarc-André Lureau	@echo  ''
277c17a386bSAlex Bennéeifeq ($(CONFIG_PLUGIN),y)
278c17a386bSAlex Bennée	@echo  'Plugin targets:'
279c17a386bSAlex Bennée	$(call print-help,plugins,Build the example TCG plugins)
280c17a386bSAlex Bennée	@echo  ''
281c17a386bSAlex Bennéeendif
2820d8e065fSMarc-André Lureau	@echo  'Cleaning targets:'
283c355de59SPhilippe Mathieu-Daudé	$(call print-help,clean,Remove most generated files but keep the config)
284c355de59SPhilippe Mathieu-Daudé	$(call print-help,distclean,Remove all generated files)
285c355de59SPhilippe Mathieu-Daudé	$(call print-help,dist,Build a distributable tarball)
2860d8e065fSMarc-André Lureau	@echo  ''
2870d8e065fSMarc-André Lureau	@echo  'Test targets:'
288c355de59SPhilippe Mathieu-Daudé	$(call print-help,check,Run all tests (check-help for details))
2899ed7247aSPaolo Bonzini	$(call print-help,bench,Run all benchmarks)
290c355de59SPhilippe Mathieu-Daudé	$(call print-help,docker,Help about targets running tests inside containers)
291c355de59SPhilippe Mathieu-Daudé	$(call print-help,vm-help,Help about targets running tests inside VM)
2920d8e065fSMarc-André Lureau	@echo  ''
2930d8e065fSMarc-André Lureau	@echo  'Documentation targets:'
2944ac2ee19SPeter Maydell	$(call print-help,html man,Build documentation in specified format)
2950d8e065fSMarc-André Lureau	@echo  ''
2960d8e065fSMarc-André Lureauifdef CONFIG_WIN32
2970d8e065fSMarc-André Lureau	@echo  'Windows targets:'
298c355de59SPhilippe Mathieu-Daudé	$(call print-help,installer,Build NSIS-based installer for QEMU)
2994bad7c3bSStefan Hajnocziifdef CONFIG_QGA_MSI
300c355de59SPhilippe Mathieu-Daudé	$(call print-help,msi,Build MSI-based installer for qemu-ga)
3010d8e065fSMarc-André Lureauendif
3020d8e065fSMarc-André Lureau	@echo  ''
3030d8e065fSMarc-André Lureauendif
304c355de59SPhilippe Mathieu-Daudé	$(call print-help,$(MAKE) [targets],(quiet build, default))
305c355de59SPhilippe Mathieu-Daudé	$(call print-help,$(MAKE) V=1 [targets],(verbose build))
306660f7930SPaolo Bonzini
307660f7930SPaolo Bonzini# will delete the target of a rule if commands exit with a nonzero exit status
308660f7930SPaolo Bonzini.DELETE_ON_ERROR:
309660f7930SPaolo Bonzini
310660f7930SPaolo Bonziniprint-%:
311660f7930SPaolo Bonzini	@echo '$*=$($*)'
312