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meson: put cross compiler info in a separate section
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1# Makefile for QEMU.
2
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3ifneq ($(words $(subst :, ,$(CURDIR))), 1)
4 $(error main directory cannot contain spaces nor colons)
5endif
6
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7# Always point to the root of the build tree (needs GNU make).
8BUILD_DIR=$(CURDIR)
388d4758 9
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10# Before including a proper config-host.mak, assume we are in the source tree
11SRC_PATH=.
12
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13# Don't use implicit rules or variables
14# we have explicit rules for everything
15MAKEFLAGS += -rR
16
bc054393 17SHELL = bash -o pipefail
3bf45835 18
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19# Usage: $(call quiet-command,command and args,"NAME","args to print")
20# This will run "command and args", and either:
21# if V=1 just print the whole command and args
22# otherwise print the 'quiet' output in the format " NAME args to print"
23# NAME should be a short name of the command, 7 letters or fewer.
24# If called with only a single argument, will print nothing in quiet mode.
25quiet-command-run = $(if $(V),,$(if $2,printf " %-7s %s\n" $2 $3 && ))$1
26quiet-@ = $(if $(V),,@)
27quiet-command = $(quiet-@)$(call quiet-command-run,$1,$2,$3)
28
28fa2927 29UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
de1da442 30 help check-help print-% \
4f2f6276 31 docker docker-% vm-help vm-test vm-build-%
eaa2ddbb 32
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33all:
34.PHONY: all clean distclean recurse-all dist msi FORCE
35
36# Don't try to regenerate Makefile or configure
37# We don't generate any of them
38Makefile: ;
39configure: ;
40
250b086e 41# All following code might depend on configuration variables
55d7e8f6 42ifneq ($(wildcard config-host.mak),)
ad064840 43include config-host.mak
d1bd2423 44
aef45d51 45git-submodule-update:
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46.git-submodule-status: git-submodule-update config-host.mak
47Makefile: .git-submodule-status
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48
49.PHONY: git-submodule-update
aef45d51 50git-submodule-update:
2d652f24 51ifneq ($(GIT_SUBMODULES_ACTION),ignore)
aef45d51 52 $(call quiet-command, \
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53 (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
54 "GIT","$(GIT_SUBMODULES)")
2d652f24 55endif
aef45d51 56
09e93326 57# 0. ensure the build tree is okay
a5665051 58
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59# Check that we're not trying to do an out-of-tree build from
60# a tree that's been used for an in-tree build.
61ifneq ($(realpath $(SRC_PATH)),$(realpath .))
62ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
63$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
64seems to have been used for an in-tree build. You can fix this by running \
b98a3bae 65"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
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66endif
67endif
68
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69# force a rerun of configure if config-host.mak is too old or corrupted
70ifeq ($(MESON),)
71.PHONY: config-host.mak
72x := $(shell rm -rf meson-private meson-info meson-logs)
73endif
74ifeq ($(NINJA),)
75.PHONY: config-host.mak
76x := $(shell rm -rf meson-private meson-info meson-logs)
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77else
78export NINJA
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79endif
80ifeq ($(wildcard build.ninja),)
81.PHONY: config-host.mak
82x := $(shell rm -rf meson-private meson-info meson-logs)
83endif
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84ifeq ($(origin prefix),file)
85.PHONY: config-host.mak
86x := $(shell rm -rf meson-private meson-info meson-logs)
87endif
2b8575bd 88
09e93326 89# 1. ensure config-host.mak is up-to-date
61d63097 90config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
5914ef77 91 @echo config-host.mak is out-of-date, running configure
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92 @if test -f meson-private/coredata.dat; then \
93 ./config.status --skip-meson; \
94 else \
5914ef77 95 ./config.status && touch build.ninja.stamp; \
a5665051 96 fi
26fffe29 97
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98# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
99# works), but otherwise never needs to be updated
100meson-private/coredata.dat: meson.stamp
101meson.stamp: config-host.mak
102 @touch meson.stamp
103
104# 3. ensure generated build files are up-to-date
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105
106ifneq ($(NINJA),)
09e93326 107Makefile.ninja: build.ninja
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108 $(quiet-@){ \
109 echo 'ninja-targets = \'; \
110 $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
111 echo 'build-files = \'; \
112 $(NINJA) -t query build.ninja | sed -n '1,/^ input:/d; /^ outputs:/q; s/$$/ \\/p'; \
113 } > $@.tmp && mv $@.tmp $@
09e93326 114-include Makefile.ninja
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115
116# A separate rule is needed for Makefile dependencies to avoid -n
117build.ninja: build.ninja.stamp
fc5db021 118$(build-files):
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119build.ninja.stamp: meson.stamp $(build-files)
120 $(NINJA) $(if $V,-v,) build.ninja && touch $@
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121endif
122
123ifneq ($(MESON),)
5914ef77 124Makefile.mtest: build.ninja scripts/mtest2make.py
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125 $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
126-include Makefile.mtest
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127
128.PHONY: update-buildoptions
129all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh
130$(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt
131 $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \
132 scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@
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133endif
134
5914ef77 135# 4. Rules to bridge to other makefiles
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136
137ifneq ($(NINJA),)
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138# Filter out long options to avoid flags like --no-print-directory which
139# may result in false positive match for MAKE.n
140MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS))))
141MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS))))
142MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS))))
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143MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
144NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
09e93326 145 $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
231ca963 146 -d keepdepfile
09e93326 147ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
9b32ba53 148ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g))))
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149
150makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
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151# "ninja -t targets" also lists all prerequisites. If build system
152# files are marked as PHONY, however, Make will always try to execute
153# "ninja build.ninja".
154ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
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155.PHONY: $(ninja-targets) run-ninja
156$(ninja-targets): run-ninja
157
158# Use "| cat" to give Ninja a more "make-y" output. Use "+" to bypass the
159# --output-sync line.
160run-ninja: config-host.mak
161ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
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162 +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \
163 $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
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164endif
165endif
166
26fffe29 167ifeq ($(CONFIG_PLUGIN),y)
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168.PHONY: plugins
169plugins:
170 $(call quiet-command,\
171 $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
172 "BUILD", "example plugins")
2b8575bd 173endif # $(CONFIG_PLUGIN)
26fffe29 174
2b8575bd 175else # config-host.mak does not exist
55d7e8f6 176config-host.mak:
eaa2ddbb 177ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
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178 @echo "Please call configure before running make!"
179 @exit 1
180endif
2b8575bd 181endif # config-host.mak does not exist
766a487a 182
660f7930 183SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
a992fe3d 184
46e7b706 185include $(SRC_PATH)/tests/Makefile.include
992aeb8e 186
484e2cc7 187all: recurse-all
675b9b53 188
3b8593ee 189ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
1338a4b7 190ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
a9c87304 191# Only keep -O and -g cflags
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192.PHONY: $(ROM_DIRS_RULES)
193$(ROM_DIRS_RULES):
49b7d744 194 $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
c05ac895 195
5e6d1573 196.PHONY: recurse-all recurse-clean
49b7d744 197recurse-all: $(addsuffix /all, $(ROM_DIRS))
5e6d1573 198recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
83f64091 199
44dc0ca3 200######################################################################
4fb240a4 201
09e93326 202clean: recurse-clean
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203 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
204 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
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205 find . \( -name '*.so' -o -name '*.dll' -o \
206 -name '*.[oda]' -o -name '*.gcno' \) -type f \
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207 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
208 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
23858f40 209 -exec rm {} +
9da9be2c 210 rm -f TAGS cscope.* *~ */*~
31e31b8a 211
859aef02 212VERSION = $(shell cat $(SRC_PATH)/VERSION)
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213
214dist: qemu-$(VERSION).tar.bz2
215
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216qemu-%.tar.bz2:
217 $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
218
09e93326 219distclean: clean
1023e003 220 -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
eed56e9a 221 rm -f config-host.mak
2038f8c8 222 rm -f tests/tcg/config-*.mak
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223 rm -f config.status
224 rm -f roms/seabios/config.mak
26fffe29 225 rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
64ed6f92 226 rm -f *-config-target.h *-config-devices.mak *-config-devices.h
a5665051 227 rm -rf meson-private meson-logs meson-info compile_commands.json
5914ef77 228 rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
793553ac 229 rm -f config.log
67ed96f9 230 rm -f linux-headers/asm
d9840e25 231 rm -Rf .sdk
7d13299d 232
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233find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
234 -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
c857f905 235
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236.PHONY: ctags
237ctags:
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238 $(call quiet-command, \
239 rm -f "$(SRC_PATH)/"tags, \
240 "CTAGS", "Remove old tags")
241 $(call quiet-command, \
242 $(find-src-path) -exec ctags \
243 -f "$(SRC_PATH)/"tags --append {} +, \
244 "CTAGS", "Re-index $(SRC_PATH)")
d7986405 245
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246.PHONY: gtags
247gtags:
248 $(call quiet-command, \
249 rm -f "$(SRC_PATH)/"GTAGS; \
250 rm -f "$(SRC_PATH)/"GRTAGS; \
251 rm -f "$(SRC_PATH)/"GPATH, \
252 "GTAGS", "Remove old $@ files")
253 $(call quiet-command, \
254 (cd $(SRC_PATH) && \
b8c9ed15 255 $(find-src-path) -print | gtags -f -), \
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256 "GTAGS", "Re-index $(SRC_PATH)")
257
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258.PHONY: TAGS
259TAGS:
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260 $(call quiet-command, \
261 rm -f "$(SRC_PATH)/"TAGS, \
262 "TAGS", "Remove old $@")
263 $(call quiet-command, \
264 $(find-src-path) -exec etags \
265 -f "$(SRC_PATH)/"TAGS --append {} +, \
266 "TAGS", "Re-index $(SRC_PATH)")
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267
268.PHONY: cscope
269cscope:
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270 $(call quiet-command, \
271 rm -f "$(SRC_PATH)/"cscope.* , \
272 "cscope", "Remove old $@ files")
273 $(call quiet-command, \
274 ($(find-src-path) -print | sed -e 's,^\./,,' \
275 > "$(SRC_PATH)/cscope.files"), \
276 "cscope", "Create file list")
277 $(call quiet-command, \
278 cscope -b -i"$(SRC_PATH)/cscope.files" \
279 -f"$(SRC_PATH)"/cscope.out, \
280 "cscope", "Re-index $(SRC_PATH)")
d7986405 281
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282# Needed by "meson install"
283export DESTDIR
612384d7 284
4ebb040f 285include $(SRC_PATH)/tests/lcitool/Makefile.include
324027c2 286include $(SRC_PATH)/tests/docker/Makefile.include
b1fb9a63 287include $(SRC_PATH)/tests/vm/Makefile.include
0d8e065f 288
c355de59 289print-help-run = printf " %-30s - %s\\n" "$1" "$2"
784106ec 290print-help = @$(call print-help-run,$1,$2)
c355de59 291
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292.PHONY: help
293help:
294 @echo 'Generic targets:'
c355de59 295 $(call print-help,all,Build all)
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296 $(call print-help,dir/file.o,Build specified target only)
297 $(call print-help,install,Install QEMU, documentation and tools)
b8a32254 298 $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
c355de59 299 $(call print-help,cscope,Generate cscope index)
968b4db3 300 $(call print-help,sparse,Run sparse on the QEMU source)
0d8e065f 301 @echo ''
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302ifeq ($(CONFIG_PLUGIN),y)
303 @echo 'Plugin targets:'
304 $(call print-help,plugins,Build the example TCG plugins)
305 @echo ''
306endif
0d8e065f 307 @echo 'Cleaning targets:'
c355de59 308 $(call print-help,clean,Remove most generated files but keep the config)
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309 $(call print-help,distclean,Remove all generated files)
310 $(call print-help,dist,Build a distributable tarball)
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311 @echo ''
312 @echo 'Test targets:'
c355de59 313 $(call print-help,check,Run all tests (check-help for details))
9ed7247a 314 $(call print-help,bench,Run all benchmarks)
4ebb040f 315 $(call print-help,lcitool-help,Help about targets for managing build environment manifests)
6147c249 316 $(call print-help,docker-help,Help about targets running tests inside containers)
c355de59 317 $(call print-help,vm-help,Help about targets running tests inside VM)
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318 @echo ''
319 @echo 'Documentation targets:'
4ac2ee19 320 $(call print-help,html man,Build documentation in specified format)
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321 @echo ''
322ifdef CONFIG_WIN32
323 @echo 'Windows targets:'
c355de59 324 $(call print-help,installer,Build NSIS-based installer for QEMU)
c355de59 325 $(call print-help,msi,Build MSI-based installer for qemu-ga)
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326 @echo ''
327endif
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328 $(call print-help,$(MAKE) [targets],(quiet build, default))
329 $(call print-help,$(MAKE) V=1 [targets],(verbose build))
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330
331# will delete the target of a rule if commands exit with a nonzero exit status
332.DELETE_ON_ERROR:
333
334print-%:
335 @echo '$*=$($*)'