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
  45include Makefile.prereqs
  46Makefile.prereqs: config-host.mak
  47
  48git-submodule-update:
  49.git-submodule-status: git-submodule-update config-host.mak
  50Makefile: .git-submodule-status
  51
  52.PHONY: git-submodule-update
  53git-submodule-update:
  54ifneq ($(GIT_SUBMODULES_ACTION),ignore)
  55        $(call quiet-command, \
  56                (GIT="$(GIT)" "$(SRC_PATH)/scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES)), \
  57                "GIT","$(GIT_SUBMODULES)")
  58endif
  59
  60# 0. ensure the build tree is okay
  61
  62# Check that we're not trying to do an out-of-tree build from
  63# a tree that's been used for an in-tree build.
  64ifneq ($(realpath $(SRC_PATH)),$(realpath .))
  65ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
  66$(error This is an out of tree build but your source tree ($(SRC_PATH)) \
  67seems to have been used for an in-tree build. You can fix this by running \
  68"$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
  69endif
  70endif
  71
  72# force a rerun of configure if config-host.mak is too old or corrupted
  73ifeq ($(MESON),)
  74.PHONY: config-host.mak
  75x := $(shell rm -rf meson-private meson-info meson-logs)
  76endif
  77ifeq ($(NINJA),)
  78.PHONY: config-host.mak
  79x := $(shell rm -rf meson-private meson-info meson-logs)
  80else
  81export NINJA
  82endif
  83ifeq ($(wildcard build.ninja),)
  84.PHONY: config-host.mak
  85x := $(shell rm -rf meson-private meson-info meson-logs)
  86endif
  87ifeq ($(origin prefix),file)
  88.PHONY: config-host.mak
  89x := $(shell rm -rf meson-private meson-info meson-logs)
  90endif
  91
  92# 1. ensure config-host.mak is up-to-date
  93config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/VERSION
  94        @echo config-host.mak is out-of-date, running configure
  95        @if test -f meson-private/coredata.dat; then \
  96          ./config.status --skip-meson; \
  97        else \
  98          ./config.status && touch build.ninja.stamp; \
  99        fi
 100
 101# 2. meson.stamp exists if meson has run at least once (so ninja reconfigure
 102# works), but otherwise never needs to be updated
 103meson-private/coredata.dat: meson.stamp
 104meson.stamp: config-host.mak
 105        @touch meson.stamp
 106
 107# 3. ensure generated build files are up-to-date
 108
 109ifneq ($(NINJA),)
 110Makefile.ninja: build.ninja
 111        $(quiet-@){ \
 112          echo 'ninja-targets = \'; \
 113          $(NINJA) -t targets all | sed 's/:.*//; $$!s/$$/ \\/'; \
 114          echo 'build-files = \'; \
 115          $(NINJA) -t query build.ninja | sed -n '1,/^  input:/d; /^  outputs:/q; s/$$/ \\/p'; \
 116        } > $@.tmp && mv $@.tmp $@
 117-include Makefile.ninja
 118
 119# A separate rule is needed for Makefile dependencies to avoid -n
 120build.ninja: build.ninja.stamp
 121$(build-files):
 122build.ninja.stamp: meson.stamp $(build-files)
 123        $(NINJA) $(if $V,-v,) build.ninja && touch $@
 124endif
 125
 126ifneq ($(MESON),)
 127Makefile.mtest: build.ninja scripts/mtest2make.py
 128        $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@
 129-include Makefile.mtest
 130
 131.PHONY: update-buildoptions
 132all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh
 133$(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt
 134        $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \
 135          scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@
 136endif
 137
 138# 4. Rules to bridge to other makefiles
 139
 140ifneq ($(NINJA),)
 141# Filter out long options to avoid flags like --no-print-directory which
 142# may result in false positive match for MAKE.n
 143MAKE.n = $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS))))
 144MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS))))
 145MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS))))
 146MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
 147NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
 148        $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
 149        -d keepdepfile
 150ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
 151ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g))
 152
 153makefile-targets := build.ninja ctags TAGS cscope dist clean uninstall
 154# "ninja -t targets" also lists all prerequisites.  If build system
 155# files are marked as PHONY, however, Make will always try to execute
 156# "ninja build.ninja".
 157ninja-targets := $(filter-out $(build-files) $(makefile-targets), $(ninja-targets))
 158.PHONY: $(ninja-targets) run-ninja
 159$(ninja-targets): run-ninja
 160
 161# Use "| cat" to give Ninja a more "make-y" output.  Use "+" to bypass the
 162# --output-sync line.
 163run-ninja: config-host.mak
 164ifneq ($(filter $(ninja-targets), $(ninja-cmd-goals)),)
 165        +$(if $(MAKE.nq),@:,$(quiet-@)$(NINJA) $(NINJAFLAGS) \
 166           $(sort $(filter $(ninja-targets), $(ninja-cmd-goals))) | cat)
 167endif
 168endif
 169
 170ifeq ($(CONFIG_PLUGIN),y)
 171.PHONY: plugins
 172plugins:
 173        $(call quiet-command,\
 174                $(MAKE) $(SUBDIR_MAKEFLAGS) -C contrib/plugins V="$(V)", \
 175                "BUILD", "example plugins")
 176endif # $(CONFIG_PLUGIN)
 177
 178else # config-host.mak does not exist
 179config-host.mak:
 180ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 181        @echo "Please call configure before running make!"
 182        @exit 1
 183endif
 184endif # config-host.mak does not exist
 185
 186SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet)
 187
 188include $(SRC_PATH)/tests/Makefile.include
 189
 190all: recurse-all
 191
 192ROMS_RULES=$(foreach t, all clean distclean, $(addsuffix /$(t), $(ROMS)))
 193.PHONY: $(ROMS_RULES)
 194$(ROMS_RULES):
 195        $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
 196
 197.PHONY: recurse-all recurse-clean
 198recurse-all: $(addsuffix /all, $(ROMS))
 199recurse-clean: $(addsuffix /clean, $(ROMS))
 200recurse-distclean: $(addsuffix /distclean, $(ROMS))
 201
 202######################################################################
 203
 204clean: recurse-clean
 205        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean || :
 206        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) clean-ctlist || :
 207        find . \( -name '*.so' -o -name '*.dll' -o \
 208                  -name '*.[oda]' -o -name '*.gcno' \) -type f \
 209                ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
 210                ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
 211                -exec rm {} +
 212        rm -f TAGS cscope.* *~ */*~
 213
 214VERSION = $(shell cat $(SRC_PATH)/VERSION)
 215
 216dist: qemu-$(VERSION).tar.bz2
 217
 218qemu-%.tar.bz2:
 219        $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
 220
 221distclean: clean recurse-distclean
 222        -$(quiet-@)test -f build.ninja && $(NINJA) $(NINJAFLAGS) -t clean -g || :
 223        rm -f config-host.mak Makefile.prereqs qemu-bundle
 224        rm -f tests/tcg/*/config-target.mak tests/tcg/config-host.mak
 225        rm -f config.status
 226        rm -f roms/seabios/config.mak
 227        rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
 228        rm -f *-config-target.h *-config-devices.mak *-config-devices.h
 229        rm -rf meson-private meson-logs meson-info compile_commands.json
 230        rm -f Makefile.ninja Makefile.mtest build.ninja.stamp meson.stamp
 231        rm -f config.log
 232        rm -f linux-headers/asm
 233        rm -Rf .sdk
 234
 235find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
 236        -type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
 237
 238.PHONY: ctags
 239ctags:
 240        $(call quiet-command,                   \
 241                rm -f "$(SRC_PATH)/"tags,       \
 242                "CTAGS", "Remove old tags")
 243        $(call quiet-command, \
 244                $(find-src-path) -exec ctags            \
 245                -f "$(SRC_PATH)/"tags --append {} +,    \
 246                "CTAGS", "Re-index $(SRC_PATH)")
 247
 248.PHONY: gtags
 249gtags:
 250        $(call quiet-command,                   \
 251                rm -f "$(SRC_PATH)/"GTAGS;      \
 252                rm -f "$(SRC_PATH)/"GRTAGS;     \
 253                rm -f "$(SRC_PATH)/"GPATH,      \
 254                "GTAGS", "Remove old $@ files")
 255        $(call quiet-command,                           \
 256                (cd $(SRC_PATH) &&                      \
 257                 $(find-src-path) -print | gtags -f -), \
 258                "GTAGS", "Re-index $(SRC_PATH)")
 259
 260.PHONY: TAGS
 261TAGS:
 262        $(call quiet-command,                   \
 263                rm -f "$(SRC_PATH)/"TAGS,       \
 264                "TAGS", "Remove old $@")
 265        $(call quiet-command,                           \
 266                $(find-src-path) -exec etags            \
 267                -f "$(SRC_PATH)/"TAGS --append {} +,    \
 268                "TAGS", "Re-index $(SRC_PATH)")
 269
 270.PHONY: cscope
 271cscope:
 272        $(call quiet-command,                   \
 273                rm -f "$(SRC_PATH)/"cscope.* ,  \
 274                "cscope", "Remove old $@ files")
 275        $(call quiet-command,                                   \
 276                ($(find-src-path) -print | sed -e 's,^\./,,'    \
 277                > "$(SRC_PATH)/cscope.files"),                  \
 278                "cscope", "Create file list")
 279        $(call quiet-command,                           \
 280                cscope -b -i"$(SRC_PATH)/cscope.files"  \
 281                -f"$(SRC_PATH)"/cscope.out,             \
 282                "cscope", "Re-index $(SRC_PATH)")
 283
 284# Needed by "meson install"
 285export DESTDIR
 286
 287include $(SRC_PATH)/tests/lcitool/Makefile.include
 288include $(SRC_PATH)/tests/docker/Makefile.include
 289include $(SRC_PATH)/tests/vm/Makefile.include
 290
 291print-help-run = printf "  %-30s - %s\\n" "$1" "$2"
 292print-help = @$(call print-help-run,$1,$2)
 293
 294.PHONY: help
 295help:
 296        @echo  'Generic targets:'
 297        $(call print-help,all,Build all)
 298        $(call print-help,dir/file.o,Build specified target only)
 299        $(call print-help,install,Install QEMU, documentation and tools)
 300        $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
 301        $(call print-help,cscope,Generate cscope index)
 302        $(call print-help,sparse,Run sparse on the QEMU source)
 303        @echo  ''
 304ifeq ($(CONFIG_PLUGIN),y)
 305        @echo  'Plugin targets:'
 306        $(call print-help,plugins,Build the example TCG plugins)
 307        @echo  ''
 308endif
 309        @echo  'Cleaning targets:'
 310        $(call print-help,clean,Remove most generated files but keep the config)
 311        $(call print-help,distclean,Remove all generated files)
 312        $(call print-help,dist,Build a distributable tarball)
 313        @echo  ''
 314        @echo  'Test targets:'
 315        $(call print-help,check,Run all tests (check-help for details))
 316        $(call print-help,bench,Run all benchmarks)
 317        $(call print-help,lcitool-help,Help about targets for managing build environment manifests)
 318        $(call print-help,docker-help,Help about targets running tests inside containers)
 319        $(call print-help,vm-help,Help about targets running tests inside VM)
 320        @echo  ''
 321        @echo  'Documentation targets:'
 322        $(call print-help,html man,Build documentation in specified format)
 323        @echo  ''
 324ifdef CONFIG_WIN32
 325        @echo  'Windows targets:'
 326        $(call print-help,installer,Build NSIS-based installer for QEMU)
 327        $(call print-help,msi,Build MSI-based installer for qemu-ga)
 328        @echo  ''
 329endif
 330        $(call print-help,$(MAKE) [targets],(quiet build, default))
 331        $(call print-help,$(MAKE) V=1 [targets],(verbose build))
 332
 333# will delete the target of a rule if commands exit with a nonzero exit status
 334.DELETE_ON_ERROR:
 335
 336print-%:
 337        @echo '$*=$($*)'
 338