Makefile

   1 # Makefile for QEMU.
   2
   3 ifneq ($(words $(subst :, ,$(CURDIR))), 1)
   4   $(error main directory cannot contain spaces nor colons)
   5 endif
   6
   7 # Always point to the root of the build tree (needs GNU make).
   8 BUILD_DIR=$(CURDIR)
   9
  10 # Before including a proper config-host.mak, assume we are in the source tree
  11 SRC_PATH=.
  12
  13 UNCHECKED_GOALS := %clean TAGS cscope ctags dist \
  14     help check-help print-% \
  15     docker docker-% vm-help vm-test vm-build-%
  16
  17 # All following code might depend on configuration variables
  18 ifneq ($(wildcard config-host.mak),)
  19 # Put the all: rule here so that config-host.mak can contain dependencies.
  20 all:
  21 include config-host.mak
  22
  23 git-submodule-update:
  24
  25 .PHONY: git-submodule-update
  26
  27 git_module_status := $(shell \
  28   cd '$(SRC_PATH)' && \
  29   GIT="$(GIT)" ./scripts/git-submodule.sh status $(GIT_SUBMODULES); \
  30   echo $$?; \
  31 )
  32
  33 ifeq (1,$(git_module_status))
  34 ifeq (no,$(GIT_UPDATE))
  35 git-submodule-update:
  36         $(call quiet-command, \
  37             echo && \
  38             echo "GIT submodule checkout is out of date. Please run" && \
  39             echo "  scripts/git-submodule.sh update $(GIT_SUBMODULES)" && \
  40             echo "from the source directory checkout $(SRC_PATH)" && \
  41             echo && \
  42             exit 1)
  43 else
  44 git-submodule-update:
  45         $(call quiet-command, \
  46           (cd $(SRC_PATH) && GIT="$(GIT)" ./scripts/git-submodule.sh update $(GIT_SUBMODULES)), \
  47           "GIT","$(GIT_SUBMODULES)")
  48 endif
  49 endif
  50
  51 export NINJA=./ninjatool
  52
  53 # Running meson regenerates both build.ninja and ninjatool, and that is
  54 # enough to prime the rest of the build.
  55 ninjatool: build.ninja
  56
  57 Makefile.ninja: build.ninja ninjatool
  58         ./ninjatool -t ninja2make --omit clean dist uninstall cscope TAGS ctags < $< > $@
  59 -include Makefile.ninja
  60
  61 ${ninja-targets-c_COMPILER} ${ninja-targets-cpp_COMPILER}: .var.command += -MP
  62
  63 # If MESON is empty, the rule will be re-evaluated after Makefiles are
  64 # reread (and MESON won't be empty anymore).
  65 ifneq ($(MESON),)
  66 Makefile.mtest: build.ninja scripts/mtest2make.py
  67         $(MESON) introspect --tests | $(PYTHON) scripts/mtest2make.py > $@
  68 -include Makefile.mtest
  69 endif
  70
  71 .git-submodule-status: git-submodule-update config-host.mak
  72
  73 # Check that we're not trying to do an out-of-tree build from
  74 # a tree that's been used for an in-tree build.
  75 ifneq ($(realpath $(SRC_PATH)),$(realpath .))
  76 ifneq ($(wildcard $(SRC_PATH)/config-host.mak),)
  77 $(error This is an out of tree build but your source tree ($(SRC_PATH)) \
  78 seems to have been used for an in-tree build. You can fix this by running \
  79 "$(MAKE) distclean && rm -rf *-linux-user *-softmmu" in your source tree)
  80 endif
  81 endif
  82
  83 CONFIG_SOFTMMU := $(if $(filter %-softmmu,$(TARGET_DIRS)),y)
  84 CONFIG_USER_ONLY := $(if $(filter %-user,$(TARGET_DIRS)),y)
  85 CONFIG_XEN := $(CONFIG_XEN_BACKEND)
  86 CONFIG_ALL=y
  87 -include config-all-devices.mak
  88 -include config-all-disas.mak
  89
  90 config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION
  91         @echo $@ is out-of-date, running configure
  92         @if test -f meson-private/coredata.dat; then \
  93           ./config.status --skip-meson; \
  94         else \
  95           ./config.status; \
  96         fi
  97
  98 # Force configure to re-run if the API symbols are updated
  99 ifeq ($(CONFIG_PLUGIN),y)
 100 config-host.mak: $(SRC_PATH)/plugins/qemu-plugins.symbols
 101 endif
 102
 103 else
 104 config-host.mak:
 105 ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 106         @echo "Please call configure before running make!"
 107         @exit 1
 108 endif
 109 endif
 110
 111 # Only needed in case Makefile.ninja does not exist.
 112 .PHONY: ninja-clean ninja-distclean clean-ctlist
 113 clean-ctlist:
 114 ninja-clean::
 115 ninja-distclean::
 116 build.ninja: config-host.mak
 117
 118 include $(SRC_PATH)/rules.mak
 119
 120 # lor is defined in rules.mak
 121 CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
 122
 123 generated-files-y += .git-submodule-status
 124
 125 # Don't try to regenerate Makefile or configure
 126 # We don't generate any of them
 127 Makefile: ;
 128 configure: ;
 129
 130 .PHONY: all clean cscope distclean install \
 131         recurse-all dist msi FORCE
 132
 133 $(call set-vpath, $(SRC_PATH))
 134
 135 LIBS+=-lz $(LIBS_TOOLS)
 136
 137 SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) BUILD_DIR=$(BUILD_DIR)
 138
 139 ifneq ($(wildcard config-host.mak),)
 140 include $(SRC_PATH)/Makefile.objs
 141 endif
 142
 143 include $(SRC_PATH)/tests/Makefile.include
 144
 145 all: recurse-all
 146 Makefile: $(addsuffix /all, $(SUBDIRS))
 147
 148 # LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
 149 DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_lib=""
 150 DTC_CFLAGS=$(CFLAGS) $(QEMU_CFLAGS)
 151 DTC_CPPFLAGS=-I$(SRC_PATH)/dtc/libfdt
 152
 153 .PHONY: dtc/all
 154 dtc/all: .git-submodule-status dtc/libfdt
 155         $(call quiet-command,$(MAKE) $(DTC_MAKE_ARGS) CPPFLAGS="$(DTC_CPPFLAGS)" CFLAGS="$(DTC_CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)" ARFLAGS="$(ARFLAGS)" CC="$(CC)" AR="$(AR)" LD="$(LD)" $(SUBDIR_MAKEFLAGS) libfdt,)
 156
 157 dtc/%: .git-submodule-status
 158         @mkdir -p $@
 159
 160 # Overriding CFLAGS causes us to lose defines added in the sub-makefile.
 161 # Not overriding CFLAGS leads to mis-matches between compilation modes.
 162 # Therefore we replicate some of the logic in the sub-makefile.
 163 # Remove all the extra -Warning flags that QEMU uses that Capstone doesn't;
 164 # no need to annoy QEMU developers with such things.
 165 CAP_CFLAGS = $(patsubst -W%,,$(CFLAGS) $(QEMU_CFLAGS))
 166 CAP_CFLAGS += -DCAPSTONE_USE_SYS_DYN_MEM
 167 CAP_CFLAGS += -DCAPSTONE_HAS_ARM
 168 CAP_CFLAGS += -DCAPSTONE_HAS_ARM64
 169 CAP_CFLAGS += -DCAPSTONE_HAS_POWERPC
 170 CAP_CFLAGS += -DCAPSTONE_HAS_X86
 171
 172 .PHONY: capstone/all
 173 capstone/all: .git-submodule-status
 174         $(call quiet-command,$(MAKE) -C $(SRC_PATH)/capstone CAPSTONE_SHARED=no BUILDDIR="$(BUILD_DIR)/capstone" CC="$(CC)" AR="$(AR)" LD="$(LD)" RANLIB="$(RANLIB)" CFLAGS="$(CAP_CFLAGS)" $(SUBDIR_MAKEFLAGS) $(BUILD_DIR)/capstone/$(LIBCAPSTONE))
 175
 176 .PHONY: slirp/all
 177 slirp/all: .git-submodule-status
 178         $(call quiet-command,$(MAKE) -C $(SRC_PATH)/slirp               \
 179                 BUILD_DIR="$(BUILD_DIR)/slirp"                  \
 180                 PKG_CONFIG="$(PKG_CONFIG)"                              \
 181                 CC="$(CC)" AR="$(AR)"   LD="$(LD)" RANLIB="$(RANLIB)"   \
 182                 CFLAGS="$(QEMU_CFLAGS) $(CFLAGS)" LDFLAGS="$(QEMU_LDFLAGS)")
 183
 184 ROM_DIRS = $(addprefix pc-bios/, $(ROMS))
 185 ROM_DIRS_RULES=$(foreach t, all clean, $(addsuffix /$(t), $(ROM_DIRS)))
 186 # Only keep -O and -g cflags
 187 .PHONY: $(ROM_DIRS_RULES)
 188 $(ROM_DIRS_RULES):
 189         $(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
 190
 191 .PHONY: recurse-all recurse-clean
 192 recurse-all: $(addsuffix /all, $(ROM_DIRS))
 193 recurse-clean: $(addsuffix /clean, $(ROM_DIRS))
 194
 195 ######################################################################
 196
 197 clean: recurse-clean ninja-clean clean-ctlist
 198         if test -f ninjatool; then ./ninjatool $(if $(V),-v,) -t clean; fi
 199 # avoid old build problems by removing potentially incorrect old files
 200         rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
 201         find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
 202                 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
 203                 ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
 204                 ! -path ./roms/edk2/BaseTools/Source/Python/UPT/Dll/sqlite3.dll \
 205                 -exec rm {} +
 206         rm -f TAGS cscope.* *.pod *~ */*~
 207         rm -f fsdev/*.pod scsi/*.pod
 208         rm -f $(foreach f,$(generated-files-y),$(f) $(f)-timestamp)
 209
 210 VERSION = $(shell cat $(SRC_PATH)/VERSION)
 211
 212 dist: qemu-$(VERSION).tar.bz2
 213
 214 qemu-%.tar.bz2:
 215         $(SRC_PATH)/scripts/make-release "$(SRC_PATH)" "$(patsubst qemu-%.tar.bz2,%,$@)"
 216
 217 distclean: clean ninja-distclean
 218         -test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g
 219         rm -f config-host.mak config-host.h*
 220         rm -f tests/tcg/config-*.mak
 221         rm -f config-all-disas.mak config.status
 222         rm -f tests/qemu-iotests/common.env
 223         rm -f roms/seabios/config.mak roms/vgabios/config.mak
 224         rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols
 225         rm -f *-config-target.h *-config-devices.mak *-config-devices.h
 226         rm -rf meson-private meson-logs meson-info compile_commands.json
 227         rm -f Makefile.ninja ninjatool ninjatool.stamp Makefile.mtest
 228         rm -f config.log
 229         rm -f linux-headers/asm
 230         rm -Rf .sdk
 231
 232 .PHONY: ctags
 233 ctags:
 234         rm -f tags
 235         find "$(SRC_PATH)" -name '*.[hc]' -exec ctags --append {} +
 236
 237 .PHONY: TAGS
 238 TAGS:
 239         rm -f TAGS
 240         find "$(SRC_PATH)" -name '*.[hc]' -exec etags --append {} +
 241
 242 .PHONY: cscope
 243 cscope:
 244         rm -f "$(SRC_PATH)"/cscope.*
 245         find "$(SRC_PATH)/" -name "*.[chsS]" -print | sed -e 's,^\./,,' > "$(SRC_PATH)/cscope.files"
 246         cscope -b -i"$(SRC_PATH)/cscope.files"
 247
 248 # Needed by "meson install"
 249 export DESTDIR
 250
 251 # Add a dependency on the generated files, so that they are always
 252 # rebuilt before other object files
 253 ifneq ($(wildcard config-host.mak),)
 254 ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 255 Makefile: $(generated-files-y)
 256 endif
 257 endif
 258
 259 # Include automatically generated dependency files
 260 # Dependencies in Makefile.objs files come from our recursive subdir rules
 261 -include $(wildcard *.d tests/*.d)
 262
 263 include $(SRC_PATH)/tests/docker/Makefile.include
 264 include $(SRC_PATH)/tests/vm/Makefile.include
 265
 266 print-help-run = printf "  %-30s - %s\\n" "$1" "$2"
 267 print-help = $(quiet-@)$(call print-help-run,$1,$2)
 268
 269 .PHONY: help
 270 help:
 271         @echo  'Generic targets:'
 272         $(call print-help,all,Build all)
 273         $(call print-help,dir/file.o,Build specified target only)
 274         $(call print-help,install,Install QEMU, documentation and tools)
 275         $(call print-help,ctags/TAGS,Generate tags file for editors)
 276         $(call print-help,cscope,Generate cscope index)
 277         $(call print-help,sparse,Run sparse on the QEMU source)
 278         @echo  ''
 279         @echo  'Cleaning targets:'
 280         $(call print-help,clean,Remove most generated files but keep the config)
 281         $(call print-help,distclean,Remove all generated files)
 282         $(call print-help,dist,Build a distributable tarball)
 283         @echo  ''
 284         @echo  'Test targets:'
 285         $(call print-help,check,Run all tests (check-help for details))
 286         $(call print-help,docker,Help about targets running tests inside containers)
 287         $(call print-help,vm-help,Help about targets running tests inside VM)
 288         @echo  ''
 289         @echo  'Documentation targets:'
 290         $(call print-help,html info pdf txt man,Build documentation in specified format)
 291         @echo  ''
 292 ifdef CONFIG_WIN32
 293         @echo  'Windows targets:'
 294         $(call print-help,installer,Build NSIS-based installer for QEMU)
 295 ifdef QEMU_GA_MSI_ENABLED
 296         $(call print-help,msi,Build MSI-based installer for qemu-ga)
 297 endif
 298         @echo  ''
 299 endif
 300         $(call print-help,$(MAKE) [targets],(quiet build, default))
 301         $(call print-help,$(MAKE) V=1 [targets],(verbose build))