aboutsummaryrefslogtreecommitdiff
path: root/Makefile
blob: 9e2e3bf00470ee5f6496dc1a2f9375ff9fffb6a1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
# 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
	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 '$*=$($*)'