xref: /openbmc/qemu/Makefile (revision b39847a5)
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52            echo "GIT submodule checkout is out of date.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:
146
147ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
148ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
149# Only keep -O and -g cflags
150.PHONY: $(ROM_DIRS_RULES)
151$(ROM_DIRS_RULES):
152	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
153
154.PHONY: recurse-all recurse-clean
155recurse-all: $(addsuffix /all, $(ROM_DIRS))
156recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
157
158######################################################################
159
160clean: recurse-clean ninja-clean clean-ctlist
161	if test -f ninjatool; then ./ninjatool $(if $(V),-v,) -t clean; fi
162# avoid old build problems by removing potentially incorrect old files
163	rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
164	find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
165		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
166		! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
167		-exec rm {} +
168	rm -f TAGS cscope.* *.pod *~ */*~
169	rm -f fsdev/*.pod scsi/*.pod
170
171VERSION = $(shell cat $(SRC_PATH)/VERSION)
172
173dist: qemu-$(VERSION).tar.bz2
174
175qemu-%.tar.bz2:
176	$(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
177
178distclean: clean ninja-distclean
179	-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g
180	rm -f config-host.mak config-host.h*
181	rm -f tests/tcg/config-*.mak
182	rm -f config-all-disas.mak config.status
183	rm -f tests/qemu-iotests/common.env
184	rm -f roms/seabios/config.mak roms/vgabios/config.mak
185	rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
186	rm -f *-config-target.h *-config-devices.mak *-config-devices.h
187	rm -rf meson-private meson-logs meson-info compile_commands.json
188	rm -f Makefile.ninja ninjatool ninjatool.stamp Makefile.mtest
189	rm -f config.log
190	rm -f linux-headers/asm
191	rm -Rf .sdk
192
193find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o -name "*.[chsS]"
194
195.PHONY: ctags
196ctags:
197	rm -f tags
198	$(find-src-path) -exec ctags --append {} +
199
200.PHONY: TAGS
201TAGS:
202	rm -f TAGS
203	$(find-src-path) -exec etags --append {} +
204
205.PHONY: cscope
206cscope:
207	rm -f "$(SRC_PATH)"/cscope.*
208	$(find-src-path) -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
209	cscope -b -i"$(SRC_PATH)/cscope.files"
210
211# Needed by "meson install"
212export DESTDIR
213
214include $(SRC_PATH)/tests/docker/Makefile.include
215include $(SRC_PATH)/tests/vm/Makefile.include
216
217print-help-run = printf "  %-30s - %s\\n" "$1" "$2"
218print-help = $(quiet-@)$(call print-help-run,$1,$2)
219
220.PHONY: help
221help:
222	@echo  'Generic targets:'
223	$(call print-help,all,Build all)
224	$(call print-help,dir/file.o,Build specified target only)
225	$(call print-help,install,Install QEMU, documentation and tools)
226	$(call print-help,ctags/TAGS,Generate tags file for editors)
227	$(call print-help,cscope,Generate cscope index)
228	$(call print-help,sparse,Run sparse on the QEMU source)
229	@echo  ''
230ifeq ($(CONFIG_PLUGIN),y)
231	@echo  'Plugin targets:'
232	$(call print-help,plugins,Build the example TCG plugins)
233	@echo  ''
234endif
235	@echo  'Cleaning targets:'
236	$(call print-help,clean,Remove most generated files but keep the config)
237	$(call print-help,distclean,Remove all generated files)
238	$(call print-help,dist,Build a distributable tarball)
239	@echo  ''
240	@echo  'Test targets:'
241	$(call print-help,check,Run all tests (check-help for details))
242	$(call print-help,bench,Run all benchmarks)
243	$(call print-help,docker,Help about targets running tests inside containers)
244	$(call print-help,vm-help,Help about targets running tests inside VM)
245	@echo  ''
246	@echo  'Documentation targets:'
247	$(call print-help,html man,Build documentation in specified format)
248	@echo  ''
249ifdef CONFIG_WIN32
250	@echo  'Windows targets:'
251	$(call print-help,installer,Build NSIS-based installer for QEMU)
252ifdef CONFIG_QGA_MSI
253	$(call print-help,msi,Build MSI-based installer for qemu-ga)
254endif
255	@echo  ''
256endif
257	$(call print-help,$(MAKE) [targets],(quiet build, default))
258	$(call print-help,$(MAKE) V=1 [targets],(verbose build))
259
260# will delete the target of a rule if commands exit with a nonzero exit status
261.DELETE_ON_ERROR:
262
263print-%:
264	@echo '$*=$($*)'
265