LXR qemu/Makefile

   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
  17SHELL = bash -o pipefail
  18
  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,$3)
  28
  29UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
  30    help check-help print-% \
  31    docker docker-% vm-help vm-test vm-build-%
  32
  33all:
  34.PHONY: all clean distclean recurse-all dist msi FORCE
  35
  36# Don't try to regenerate Makefile or configure
  37# We don't generate any of them
  38Makefile: ;
  39configure: ;
  40
  41# All following code might depend on configuration variables
  42ifneq ($(wildcard config-host.mak),)
  43include config-host.mak
  44
  45git-submodule-update:
  46.git-submodule-status: git-submodule-update config-host.mak
  47Makefile: .git-submodule-status
  48
  49.PHONY: git-submodule-update
  50git-submodule-update:
  51ifneq ($(GIT_SUBMODULES_ACTION),ignore)
  52        $(call quiet-command, \
  53                (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
  54                "GIT","$(GIT_SUBMODULES)")
  55endif
  56
  57# 0. ensure the build tree is okay
  58
  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 ($(SRC_PATH)) \
  64seems to have been used for an in-tree build. You can fix this by running \
  65"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
  66endif
  67endif
  68
  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 := $(shell rm -rf meson-private meson-info meson-logs)
  77else
  78export NINJA
  79endif
  80ifeq ($(wildcard build.ninja),)
  81.PHONY: config-host.mak
  82x := $(shell rm -rf meson-private meson-info meson-logs)
  83endif
  84ifeq ($(origin prefix),file)
  85.PHONY: config-host.mak
  86x := $(shell rm -rf meson-private meson-info meson-logs)
  87endif
  88
  89# 1. ensure config-host.mak is up-to-date
  90config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
  91        @echo config-host.mak is out-of-date, running configure
  92        @if test -f meson-private/coredata.dat; then \
  93          ./config.status --skip-meson; \
  94        else \
  95          ./config.status && touch build.ninja.stamp; \
  96        fi
  97
  98# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
  99# works), but otherwise never needs to be updated
 100meson-private/coredata.dat: meson.stamp
 101meson.stamp: config-host.mak
 102        @touch meson.stamp
 103
 104# 3. ensure generated build files are up-to-date
 105
 106ifneq ($(NINJA),)
 107Makefile.ninja: build.ninja
 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 $@
 114-include Makefile.ninja
 115
 116# A separate rule is needed for Makefile dependencies to avoid -n
 117build.ninja: build.ninja.stamp
 118$(build-files):
 119build.ninja.stamp: meson.stamp $(build-files)
 120        $(NINJA) $(if $V,-v,) build.ninja && touch $@
 121endif
 122
 123ifneq ($(MESON),)
 124Makefile.mtest: build.ninja scripts/mtest2make.py
 125        $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
 126-include Makefile.mtest
 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 $@
 133endif
 134
 135# 4. Rules to bridge to other makefiles
 136
 137ifneq ($(NINJA),)
 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))))
 143MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
 144NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
 145        $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
 146
 147ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
 148ninja-cmd-goals += $(foreach t, $(.check.build-suites), $(.check-$t.deps))
 149ninja-cmd-goals += $(foreach t, $(.bench.build-suites), $(.bench-$t.deps))
 150
 151makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
 152# "ninja -t targets" also lists all prerequisites.  If build system
 153# files are marked as PHONY, however, Make will always try to execute
 154# "ninja build.ninja".
 155ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
 156.PHONY: $(ninja-targets) run-ninja
 157$(ninja-targets): run-ninja
 158
 159# Use "| cat" to give Ninja a more "make-y" output.  Use "+" to bypass the
 160# --output-sync line.
 161run-ninja: config-host.mak
 162ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
 163        +$(quiet-@)$(if $(MAKE.nq),@:, $(NINJA) -d keepdepfile \
 164           $(NINJAFLAGS) $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
 165endif
 166endif
 167
 168# Force configure to re-run if the API symbols are updated
 169ifeq ($(CONFIG_PLUGIN),y)
 170config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
 171
 172.PHONY: plugins
 173plugins:
 174        $(call quiet-command,\
 175                $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
 176                "BUILD", "example plugins")
 177endif # $(CONFIG_PLUGIN)
 178
 179else # config-host.mak does not exist
 180config-host.mak:
 181ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 182        @echo "Please call configure before running make!"
 183        @exit 1
 184endif
 185endif # config-host.mak does not exist
 186
 187SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
 188
 189include $(SRC_PATH)/tests/Makefile.include
 190
 191all: recurse-all
 192
 193ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
 194ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
 195# Only keep -O and -g cflags
 196.PHONY: $(ROM_DIRS_RULES)
 197$(ROM_DIRS_RULES):
 198        $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
 199
 200.PHONY: recurse-all recurse-clean
 201recurse-all: $(addsuffix /all, $(ROM_DIRS))
 202recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
 203
 204######################################################################
 205
 206clean: recurse-clean
 207        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
 208        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
 209        find . \( -name '*.so' -o -name '*.dll' -o \
 210                  -name '*.[oda]' -o -name '*.gcno' \) -type f \
 211                ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
 212                ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
 213                -exec rm {} +
 214        rm -f TAGS cscope.* *~ */*~
 215
 216VERSION = $(shell cat $(SRC_PATH)/VERSION)
 217
 218dist: qemu-$(VERSION).tar.bz2
 219
 220qemu-%.tar.bz2:
 221        $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
 222
 223distclean: clean
 224        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
 225        rm -f config-host.mak
 226        rm -f tests/tcg/config-*.mak
 227        rm -f config.status
 228        rm -f roms/seabios/config.mak
 229        rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
 230        rm -f *-config-target.h *-config-devices.mak *-config-devices.h
 231        rm -rf meson-private meson-logs meson-info compile_commands.json
 232        rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
 233        rm -f config.log
 234        rm -f linux-headers/asm
 235        rm -Rf .sdk
 236
 237find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
 238        -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
 239
 240.PHONY: ctags
 241ctags:
 242        $(call quiet-command,                   \
 243                rm -f "$(SRC_PATH)/"tags,       \
 244                "CTAGS", "Remove old tags")
 245        $(call quiet-command, \
 246                $(find-src-path) -exec ctags            \
 247                -f "$(SRC_PATH)/"tags --append {} +,    \
 248                "CTAGS", "Re-index $(SRC_PATH)")
 249
 250.PHONY: gtags
 251gtags:
 252        $(call quiet-command,                   \
 253                rm -f "$(SRC_PATH)/"GTAGS;      \
 254                rm -f "$(SRC_PATH)/"GRTAGS;     \
 255                rm -f "$(SRC_PATH)/"GPATH,      \
 256                "GTAGS", "Remove old $@ files")
 257        $(call quiet-command,                           \
 258                (cd $(SRC_PATH) &&                      \
 259                 $(find-src-path) -print | gtags -f -), \
 260                "GTAGS", "Re-index $(SRC_PATH)")
 261
 262.PHONY: TAGS
 263TAGS:
 264        $(call quiet-command,                   \
 265                rm -f "$(SRC_PATH)/"TAGS,       \
 266                "TAGS", "Remove old $@")
 267        $(call quiet-command,                           \
 268                $(find-src-path) -exec etags            \
 269                -f "$(SRC_PATH)/"TAGS --append {} +,    \
 270                "TAGS", "Re-index $(SRC_PATH)")
 271
 272.PHONY: cscope
 273cscope:
 274        $(call quiet-command,                   \
 275                rm -f "$(SRC_PATH)/"cscope.* ,  \
 276                "cscope", "Remove old $@ files")
 277        $(call quiet-command,                                   \
 278                ($(find-src-path) -print | sed -e 's,^\./,,'    \
 279                > "$(SRC_PATH)/cscope.files"),                  \
 280                "cscope", "Create file list")
 281        $(call quiet-command,                           \
 282                cscope -b -i"$(SRC_PATH)/cscope.files"  \
 283                -f"$(SRC_PATH)"/cscope.out,             \
 284                "cscope", "Re-index $(SRC_PATH)")
 285
 286# Needed by "meson install"
 287export DESTDIR
 288
 289include $(SRC_PATH)/tests/lcitool/Makefile.include
 290include $(SRC_PATH)/tests/docker/Makefile.include
 291include $(SRC_PATH)/tests/vm/Makefile.include
 292
 293print-help-run = printf "  %-30s - %s\\n" "$1" "$2"
 294print-help = @$(call print-help-run,$1,$2)
 295
 296.PHONY: help
 297help:
 298        @echo  'Generic targets:'
 299        $(call print-help,all,Build all)
 300        $(call print-help,dir/file.o,Build specified target only)
 301        $(call print-help,install,Install QEMU, documentation and tools)
 302        $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
 303        $(call print-help,cscope,Generate cscope index)
 304        $(call print-help,sparse,Run sparse on the QEMU source)
 305        @echo  ''
 306ifeq ($(CONFIG_PLUGIN),y)
 307        @echo  'Plugin targets:'
 308        $(call print-help,plugins,Build the example TCG plugins)
 309        @echo  ''
 310endif
 311        @echo  'Cleaning targets:'
 312        $(call print-help,clean,Remove most generated files but keep the config)
 313        $(call print-help,distclean,Remove all generated files)
 314        $(call print-help,dist,Build a distributable tarball)
 315        @echo  ''
 316        @echo  'Test targets:'
 317        $(call print-help,check,Run all tests (check-help for details))
 318        $(call print-help,bench,Run all benchmarks)
 319        $(call print-help,lcitool-help,Help about targets for managing build environment manifests)
 320        $(call print-help,docker-help,Help about targets running tests inside containers)
 321        $(call print-help,vm-help,Help about targets running tests inside VM)
 322        @echo  ''
 323        @echo  'Documentation targets:'
 324        $(call print-help,html man,Build documentation in specified format)
 325        @echo  ''
 326ifdef CONFIG_WIN32
 327        @echo  'Windows targets:'
 328        $(call print-help,installer,Build NSIS-based installer for QEMU)
 329        $(call print-help,msi,Build MSI-based installer for qemu-ga)
 330        @echo  ''
 331endif
 332        $(call print-help,$(MAKE) [targets],(quiet build, default))
 333        $(call print-help,$(MAKE) V=1 [targets],(verbose build))
 334
 335# will delete the target of a rule if commands exit with a nonzero exit status
 336.DELETE_ON_ERROR:
 337
 338print-%:
 339        @echo '$*=$($*)'
 340