Makefile

   1 ##
   2 ## This file is part of the coreboot project.
   3 ##
   4 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
   5 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
   6 ## Copyright (C) 2009-2010 coresystems GmbH
   7 ## Copyright (C) 2011 secunet Security Networks AG
   8 ##
   9 ## Redistribution and use in source and binary forms, with or without
  10 ## modification, are permitted provided that the following conditions
  11 ## are met:
  12 ## 1. Redistributions of source code must retain the above copyright
  13 ##    notice, this list of conditions and the following disclaimer.
  14 ## 2. Redistributions in binary form must reproduce the above copyright
  15 ##    notice, this list of conditions and the following disclaimer in the
  16 ##    documentation and/or other materials provided with the distribution.
  17 ## 3. The name of the author may not be used to endorse or promote products
  18 ##    derived from this software without specific prior written permission.
  19 ##
  20 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 ## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30 ## SUCH DAMAGE.
  31 ##
  32
  33 top := $(CURDIR)
  34 src := src
  35 srck := $(top)/util/kconfig
  36 obj ?= build
  37 override obj := $(subst $(top)/,,$(abspath $(obj)))
  38 objutil ?= $(obj)/util
  39 objk := $(objutil)/kconfig
  40 absobj := $(abspath $(obj))
  41
  42 COREBOOT_EXPORTS := COREBOOT_EXPORTS
  43 COREBOOT_EXPORTS += top src srck obj objutil objk
  44
  45 DOTCONFIG ?= $(top)/.config
  46 KCONFIG_CONFIG = $(DOTCONFIG)
  47 KCONFIG_AUTOADS := $(obj)/cb-config.ads
  48 KCONFIG_AUTOHEADER := $(obj)/config.h
  49 KCONFIG_AUTOCONFIG := $(obj)/auto.conf
  50 KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
  51 KCONFIG_SPLITCONFIG := $(obj)/config
  52 KCONFIG_TRISTATE := $(obj)/tristate.conf
  53 KCONFIG_NEGATIVES := 1
  54 KCONFIG_STRICT := 1
  55 KCONFIG_PACKAGE := CB.Config
  56
  57 COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
  58 COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
  59 COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
  60 COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
  61
  62 # directory containing the toplevel Makefile.inc
  63 TOPLEVEL := .
  64
  65 CONFIG_SHELL := sh
  66 KBUILD_DEFCONFIG := configs/defconfig
  67 UNAME_RELEASE := $(shell uname -r)
  68 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
  69 MAKEFLAGS += -rR --no-print-directory
  70
  71 # Make is silent per default, but 'make V=1' will show all compiler calls.
  72 Q:=@
  73 ifneq ($(V),1)
  74 ifneq ($(Q),)
  75 .SILENT:
  76 endif
  77 endif
  78
  79 # Disable implicit/built-in rules to make Makefile errors fail fast.
  80 .SUFFIXES:
  81
  82 HOSTCC := $(if $(shell type gcc 2>/dev/null),gcc,cc)
  83 HOSTCXX = g++
  84 HOSTCFLAGS := -g
  85 HOSTCXXFLAGS := -g
  86
  87 PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
  88
  89 DOXYGEN := doxygen
  90 DOXYGEN_OUTPUT_DIR := doxygen
  91
  92 export $(COREBOOT_EXPORTS)
  93
  94 all: real-all
  95
  96 help_coreboot help::
  97         @echo  '*** coreboot platform targets ***'
  98         @echo  '  Use "make [target] V=1" for extra build debug information'
  99         @echo  '  all                   - Build coreboot'
 100         @echo  '  clean                 - Remove coreboot build artifacts'
 101         @echo  '  distclean             - Remove build artifacts and config files'
 102         @echo  '  doxygen               - Build doxygen documentation for coreboot'
 103         @echo  '  doxyplatform          - Build doxygen documentation for the current platform'
 104         @echo  '  filelist              - Show files used in current build'
 105         @echo  '  printall              - print makefile info for debugging'
 106         @echo  '  gitconfig             - set up git to submit patches to coreboot'
 107         @echo  '  ctags / ctags-project - make ctags file for all of coreboot or current board'
 108         @echo  '  cscope / cscope-project - make cscope.out file for coreboot or current board'
 109         @echo
 110
 111 # This include must come _before_ the pattern rules below!
 112 # Order _does_ matter for pattern rules.
 113 include $(srck)/Makefile
 114
 115 # Three cases where we don't need fully populated $(obj) lists:
 116 # 1. when no .config exists
 117 # 2. when make config (in any flavour) is run
 118 # 3. when make distclean is run
 119 # Don't waste time on reading all Makefile.incs in these cases
 120 ifeq ($(strip $(HAVE_DOTCONFIG)),)
 121 NOCOMPILE:=1
 122 endif
 123 ifneq ($(MAKECMDGOALS),)
 124 ifneq ($(filter %config %clean cross% clang iasl gnumake lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
 125 NOCOMPILE:=1
 126 endif
 127 ifeq ($(MAKECMDGOALS), %clean)
 128 NOMKDIR:=1
 129 endif
 130 endif
 131
 132 ifeq ($(NOCOMPILE),1)
 133 include $(TOPLEVEL)/Makefile.inc
 134 include $(TOPLEVEL)/payloads/Makefile.inc
 135 include $(TOPLEVEL)/util/testing/Makefile.inc
 136 -include $(TOPLEVEL)/site-local/Makefile.inc
 137 real-all:
 138         @echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
 139         @echo "Please specify a config file or run 'make menuconfig' to" >&2
 140         @echo "generate a new config file." >&2
 141         @exit 1
 142 else
 143
 144 include $(DOTCONFIG)
 145
 146 # in addition to the dependency below, create the file if it doesn't exist
 147 # to silence stupid warnings about a file that would be generated anyway.
 148 $(if $(wildcard .xcompile)$(NOCOMPILE),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
 149
 150 .xcompile: util/xcompile/xcompile
 151         rm -f $@
 152         $< $(XGCCPATH) > $@.tmp
 153         \mv -f $@.tmp $@ 2> /dev/null
 154         rm -f $@.tmp
 155
 156 -include .xcompile
 157
 158 ifneq ($(XCOMPILE_COMPLETE),1)
 159 $(shell rm -f .xcompile)
 160 $(error .xcompile deleted because it's invalid. \
 161         Restarting the build should fix that, or explain the problem)
 162 endif
 163
 164 ifneq ($(CONFIG_MMX),y)
 165 CFLAGS_x86_32 += -mno-mmx
 166 endif
 167
 168 include toolchain.inc
 169
 170 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
 171 # fix makefile syntax highlighting after strip macro \" "))
 172
 173 # The primary target needs to be here before we include the
 174 # other files
 175
 176 real-all: real-target
 177
 178 # must come rather early
 179 .SECONDEXPANSION:
 180 .DELETE_ON_ERROR:
 181
 182 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
 183         +$(MAKE) oldconfig
 184
 185 $(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
 186         true
 187
 188 $(KCONFIG_AUTOADS): $(KCONFIG_AUTOCONFIG) $(objutil)/kconfig/toada
 189         $(objutil)/kconfig/toada CB.Config <$< >$@
 190
 191 # Add a new class of source/object files to the build system
 192 add-class= \
 193         $(eval $(1)-srcs:=) \
 194         $(eval $(1)-objs:=) \
 195         $(eval classes+=$(1))
 196
 197 # Special classes are managed types with special behaviour
 198 # On parse time, for each entry in variable $(1)-y
 199 # a handler $(1)-handler is executed with the arguments:
 200 # * $(1): directory the parser is in
 201 # * $(2): current entry
 202 add-special-class= \
 203         $(eval $(1):=) \
 204         $(eval special-classes+=$(1))
 205
 206 # Converts one or more source file paths to their corresponding build/ paths.
 207 # Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
 208 # their name.
 209 # $1 stage name
 210 # $2 file path (list)
 211 src-to-obj=\
 212         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 213         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 214         $(patsubst 3rdparty/%,$(obj)/%,\
 215         $(patsubst src/%,$(obj)/%,\
 216         $(patsubst %.ads,%.o,\
 217         $(patsubst %.adb,%.o,\
 218         $(patsubst %.c,%.o,\
 219         $(patsubst %.S,%.o,\
 220         $(subst .$(1),,$(2))))))))))
 221
 222 # Converts one or more source file paths to the corresponding build/ paths
 223 # of their Ada library information (.ali) files.
 224 # $1 stage name
 225 # $2 file path (list)
 226 src-to-ali=\
 227         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 228         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 229         $(patsubst 3rdparty/%,$(obj)/%,\
 230         $(patsubst src/%,$(obj)/%,\
 231         $(patsubst %.ads,%.ali,\
 232         $(patsubst %.adb,%.ali,\
 233         $(subst .$(1),,\
 234         $(filter %.ads %.adb,$(2)))))))))
 235
 236 # Clean -y variables, include Makefile.inc
 237 # Add paths to files in X-y to X-srcs
 238 # Add subdirs-y to subdirs
 239 includemakefiles= \
 240         $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
 241         $(eval -include $(1)) \
 242         $(foreach class,$(classes-y), $(call add-class,$(class))) \
 243         $(foreach class,$(classes), \
 244                 $(eval $(class)-srcs+= \
 245                         $$(subst $(absobj)/,$(obj)/, \
 246                         $$(subst $(top)/,, \
 247                         $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
 248         $(foreach special,$(special-classes), \
 249                 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
 250         $(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))))
 251
 252 # For each path in $(subdirs) call includemakefiles
 253 # Repeat until subdirs is empty
 254 evaluate_subdirs= \
 255         $(eval cursubdirs:=$(subdirs)) \
 256         $(eval subdirs:=) \
 257         $(foreach dir,$(cursubdirs), \
 258                 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
 259         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 260
 261 # collect all object files eligible for building
 262 subdirs:=$(TOPLEVEL)
 263 postinclude-hooks :=
 264 $(eval $(call evaluate_subdirs))
 265 ifeq ($(FAILBUILD),1)
 266 $(error cannot continue build)
 267 endif
 268
 269 # Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
 270 $(eval $(postinclude-hooks))
 271
 272 # Eliminate duplicate mentions of source files in a class
 273 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
 274
 275 # To track dependencies, we need all Ada specification (.ads) files in
 276 # *-srcs. Extract / filter all specification files that have a matching
 277 # body (.adb) file here (specifications without a body are valid sources
 278 # in Ada).
 279 $(foreach class,$(classes),$(eval $(class)-extra-specs := \
 280         $(filter \
 281                 $(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
 282                 $(filter %.ads,$($(class)-srcs)))))
 283 $(foreach class,$(classes),$(eval $(class)-srcs := \
 284         $(filter-out $($(class)-extra-specs),$($(class)-srcs))))
 285
 286 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
 287 $(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
 288
 289 # For Ada includes
 290 $(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
 291
 292 # Save all objs before processing them (for dependency inclusion)
 293 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 294
 295 # Call post-processors if they're defined
 296 $(foreach class,$(classes),\
 297         $(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
 298
 299 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
 300 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 301 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 302
 303 # Reads dependencies from an Ada library information (.ali) file
 304 # Only basenames (with suffix) are preserved so we have to look the
 305 # paths up in $($(stage)-srcs).
 306 # $1 stage name
 307 # $2 ali file
 308 create_ada_deps=$$(if $(2),\
 309         gnat.adc \
 310         $$(filter \
 311                 $$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
 312                 $$($(1)-srcs) $$($(1)-extra-specs)))
 313
 314 # macro to define template macros that are used by use_template macro
 315 define create_cc_template
 316 # $1 obj class
 317 # $2 source suffix (c, S, ld, ...)
 318 # $3 additional compiler flags
 319 # $4 additional dependencies
 320 ifn$(EMPTY)def $(1)-objs_$(2)_template
 321 de$(EMPTY)fine $(1)-objs_$(2)_template
 322 ifn$(EMPTY)eq ($(filter ads adb,$(2)),)
 323 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(KCONFIG_AUTOHEADER) $(4)
 324         @printf "    GCC        $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 325         $(GCC_$(1)) \
 326                 $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs)) \
 327                 $(3) -c -o $$$$@ $$$$<
 328 el$(EMPTY)se
 329 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
 330         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 331         $(CC_$(1)) \
 332                 -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) \
 333                 $(3) -c -o $$$$@ $$$$<
 334 end$(EMPTY)if
 335 en$(EMPTY)def
 336 end$(EMPTY)if
 337 endef
 338
 339 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
 340 $(foreach class,$(classes), \
 341         $(foreach type,$(call filetypes-of-class,$(class)), \
 342                 $(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
 343                 $(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
 344                 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
 345
 346 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
 347 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
 348
 349 # To supported complex package initializations, we need to call the
 350 # emitted code explicitly. gnatbind gathers all the calls for us
 351 # and exports them as a procedure $(stage)_adainit(). Every stage that
 352 # uses Ada code has to call it!
 353 define gnatbind_template
 354 # $1 class
 355 $$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
 356         @printf "    BIND       $$(subst $$(obj)/,,$$@)\n"
 357         # We have to give gnatbind a simple filename (without leading
 358         # path components) so just cd there.
 359         cd $$(dir $$@) && \
 360                 $$(GNATBIND_$(1)) -a -n \
 361                         --RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
 362                         -L$(1)_ada -o $$(notdir $$@) \
 363                         $$(subst $$(dir $$@),,$$^)
 364 $$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
 365         @printf "    GCC        $$(subst $$(obj)/,,$$@)\n"
 366         $(GCC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
 367 $(1)-objs += $$(obj)/$(1)/b__$(1).o
 368 $($(1)-alis): %.ali: %.o ;
 369 endef
 370
 371 $(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
 372         $(if $($(class)-alis),$(call gnatbind_template,$(class)))))
 373
 374 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
 375 -include $(DEPENDENCIES)
 376
 377 printall:
 378         @$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
 379         @echo alldirs: $(alldirs) | tr ' ' '\n'; echo
 380         @echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
 381         @echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
 382         @$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
 383 endif
 384
 385 ifndef NOMKDIR
 386 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 387 endif
 388
 389 $(obj)/project_filelist.txt:
 390         if [ -z "$(wildcard $(obj)/coreboot.rom)" ]; then \
 391                 echo "*** Error: Project must be built before generating file list ***"; \
 392                 exit 1; \
 393         fi
 394         find $(obj) -path "$(obj)/util" -prune -o -name "*.d" -exec cat {} \; | \
 395           sed "s|$(top)/||" | sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
 396           grep -v '\.o$$' > $(obj)/project_filelist.txt
 397
 398 filelist: $(obj)/project_filelist.txt
 399         printf "\nFiles used in build:\n"
 400         cat $(obj)/project_filelist.txt
 401
 402 #works with either exuberant ctags or ctags.emacs
 403 ctags-project: clean-ctags $(obj)/project_filelist.txt
 404         cat $(obj)/project_filelist.txt | \
 405           xargs ctags -o tags
 406
 407 cscope-project: clean-cscope $(obj)/project_filelist.txt
 408         cat $(obj)/project_filelist.txt | xargs cscope -b
 409
 410 cscope:
 411         cscope -bR
 412
 413 doxy: doxygen
 414 doxygen:
 415         $(DOXYGEN) Documentation/Doxyfile.coreboot
 416
 417 doxygen_simple:
 418         $(DOXYGEN) Documentation/Doxyfile.coreboot_simple
 419
 420 doxyplatform doxygen_platform: $(obj)/project_filelist.txt
 421         echo
 422         echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
 423         export DOXYGEN_OUTPUT_DIR="$(DOXYGEN_OUTPUT_DIR)/$(CONFIG_MAINBOARD_VENDOR)/$(CONFIG_MAINBOARD_PART_NUMBER)"; \
 424         mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
 425         export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
 426         export DOXYGEN_PLATFORM="$(CONFIG_MAINBOARD_DIR) ($(CONFIG_MAINBOARD_PART_NUMBER)) version $(KERNELVERSION)"; \
 427         $(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
 428
 429 doxyclean: doxygen-clean
 430 doxygen-clean:
 431         rm -rf $(DOXYGEN_OUTPUT_DIR)
 432
 433 clean-for-update: doxygen-clean clean-for-update-target
 434         rm -rf $(obj) .xcompile
 435
 436 clean: clean-for-update clean-target clean-utils
 437         rm -f .ccwrap
 438
 439 clean-cscope:
 440         rm -f cscope.out
 441
 442 clean-ctags:
 443         rm -f tags
 444
 445 clean-utils:
 446         $(foreach tool, $(TOOLLIST), \
 447                 $(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
 448
 449 distclean-utils:
 450         $(foreach tool, $(TOOLLIST), \
 451                 $(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
 452                 rm -f /util/$(tool)/junit.xml;)
 453
 454 distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
 455         rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
 456         rm -rf coreboot-builds coreboot-builds-chromeos
 457         rm -f abuild*.xml junit.xml* util/lint/junit.xml
 458
 459 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple
 460 .PHONY: ctags-project cscope-project clean-ctags