Makefile

   1 ## SPDX-License-Identifier: BSD-3-Clause
   2
   3 ifneq ($(words $(CURDIR)),1)
   4     $(error Error: Path to the main directory cannot contain spaces)
   5 endif
   6 top := $(CURDIR)
   7 src := src
   8 srck := $(top)/util/kconfig
   9 obj ?= build
  10 override obj := $(subst $(top)/,,$(abspath $(obj)))
  11 xcompile ?= $(obj)/xcompile
  12 objutil ?= $(obj)/util
  13 objk := $(objutil)/kconfig
  14 absobj := $(abspath $(obj))
  15
  16 additional-dirs :=
  17
  18 VBOOT_HOST_BUILD ?= $(abspath $(objutil)/vboot_lib)
  19
  20 COREBOOT_EXPORTS := COREBOOT_EXPORTS
  21 COREBOOT_EXPORTS += top src srck obj objutil objk
  22
  23 DOTCONFIG ?= $(top)/.config
  24 KCONFIG_CONFIG = $(DOTCONFIG)
  25 KCONFIG_AUTOADS := $(obj)/cb-config.ads
  26 KCONFIG_RUSTCCFG := $(obj)/cb-config.rustcfg
  27 KCONFIG_AUTOHEADER := $(obj)/config.h
  28 KCONFIG_AUTOCONFIG := $(obj)/auto.conf
  29 KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
  30 KCONFIG_SPLITCONFIG := $(obj)/config/
  31 KCONFIG_TRISTATE := $(obj)/tristate.conf
  32 KCONFIG_NEGATIVES := 1
  33 KCONFIG_WERROR := 1
  34 KCONFIG_WARN_UNKNOWN_SYMBOLS := 1
  35 KCONFIG_PACKAGE := CB.Config
  36 KCONFIG_MAKEFILE_REAL ?= $(objk)/Makefile.real
  37
  38 COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
  39 COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
  40 COREBOOT_EXPORTS += KCONFIG_NEGATIVES
  41 ifeq ($(filter %config,$(MAKECMDGOALS)),)
  42 COREBOOT_EXPORTS += KCONFIG_WERROR
  43 endif
  44 COREBOOT_EXPORTS += KCONFIG_WARN_UNKNOWN_SYMBOLS
  45 COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
  46 COREBOOT_EXPORTS += KCONFIG_RUSTCCFG
  47
  48 # Make does not offer a recursive wildcard function, so here's one:
  49 rwildcard=$(wildcard $1$2) $(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2))
  50 SYMLINK_LIST = $(call rwildcard,site-local/,symlink.txt)
  51
  52
  53 # directory containing the toplevel Makefile.inc
  54 TOPLEVEL := .
  55
  56 CONFIG_SHELL := sh
  57 KBUILD_DEFCONFIG := configs/defconfig
  58 UNAME_RELEASE := $(shell uname -r)
  59 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
  60 HAVE_KCONFIG_MAKEFILE_REAL := $(wildcard $(KCONFIG_MAKEFILE_REAL))
  61 MAKEFLAGS += -rR --no-print-directory
  62
  63 # Make is silent per default, but 'make V=1' will show all compiler calls.
  64 Q:=@
  65 ifneq ($(V),1)
  66 ifneq ($(Q),)
  67 .SILENT:
  68 MAKEFLAGS += -s
  69 quiet_errors := 2>/dev/null
  70 endif
  71 endif
  72
  73 # Disable implicit/built-in rules to make Makefile errors fail fast.
  74 .SUFFIXES:
  75
  76 HOSTCFLAGS := -g
  77 HOSTCXXFLAGS := -g
  78
  79 HOSTPKG_CONFIG ?= pkg-config
  80 COREBOOT_EXPORTS += HOSTPKG_CONFIG
  81
  82 PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
  83
  84 export $(COREBOOT_EXPORTS)
  85
  86 all: real-all
  87
  88 help_coreboot help::
  89         @echo  '*** coreboot platform targets ***'
  90         @echo  '  Use "make [target] V=1" for extra build debug information'
  91         @echo  '  all                   - Build coreboot'
  92         @echo  '  clean                 - Remove coreboot build artifacts'
  93         @echo  '  distclean             - Remove build artifacts and config files'
  94         @echo  '  sphinx                - Build sphinx documentation for coreboot'
  95         @echo  '  sphinx-lint           - Build sphinx documentation for coreboot with warnings as errors'
  96         @echo  '  filelist              - Show files used in current build'
  97         @echo  '  printall              - print makefile info for debugging'
  98         @echo  '  gitconfig             - set up git to submit patches to coreboot'
  99         @echo  '  ctags / ctags-project - make ctags file for all of coreboot or current board'
 100         @echo  '  cscope / cscope-project - make cscope.out file for coreboot or current board'
 101         @echo
 102
 103 # This include must come _before_ the pattern rules below!
 104 # Order _does_ matter for pattern rules.
 105 include $(srck)/Makefile.inc
 106
 107 # The cases where we don't need fully populated $(obj) lists:
 108 # 1. when no .config exists
 109 # 2. When no $(obj)/util/kconfig/Makefile.real exists and we're building tools
 110 # 3. when make config (in any flavour) is run
 111 # 4. when make distclean is run
 112 # Don't waste time on reading all Makefile.incs in these cases
 113 ifeq ($(strip $(HAVE_DOTCONFIG)),)
 114 NOCOMPILE:=1
 115 endif
 116 ifeq ($(strip $(HAVE_KCONFIG_MAKEFILE_REAL)),)
 117 ifneq ($(MAKECMDGOALS),tools)
 118 NOCOMPILE:=1
 119 endif
 120 endif
 121 ifneq ($(MAKECMDGOALS),)
 122 ifneq ($(filter %config %clean cross% clang iasl lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
 123 NOCOMPILE:=1
 124 endif
 125 ifneq ($(filter %clean lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
 126 NOMKDIR:=1
 127 UNIT_TEST:=1
 128 endif
 129 endif
 130
 131 ifneq ($(filter help%, $(MAKECMDGOALS)), )
 132 NOCOMPILE:=1
 133 UNIT_TEST:=1
 134 else
 135 ifneq ($(filter %-test %-tests %coverage-report, $(MAKECMDGOALS)),)
 136 ifneq ($(filter-out %-test %-tests %coverage-report, $(MAKECMDGOALS)),)
 137 $(error Cannot mix unit-tests targets with other targets)
 138 endif
 139 UNIT_TEST:=1
 140 NOCOMPILE:=
 141 endif
 142 endif
 143
 144 $(xcompile): util/xcompile/xcompile
 145         rm -f $@
 146         $< $(XGCCPATH) > $@.tmp
 147         \mv -f $@.tmp $@ 2> /dev/null
 148         rm -f $@.tmp
 149
 150 ifeq ($(NOCOMPILE),1)
 151 # We also don't use .xcompile in the no-compile situations, so
 152 # provide some reasonable defaults.
 153 HOSTCC ?= $(if $(shell type gcc 2>/dev/null),gcc,cc)
 154 HOSTCXX ?= g++
 155
 156 include $(TOPLEVEL)/Makefile.inc
 157 include $(TOPLEVEL)/payloads/Makefile.inc
 158 include $(TOPLEVEL)/util/testing/Makefile.inc
 159 -include $(TOPLEVEL)/site-local/Makefile.inc
 160 include $(TOPLEVEL)/tests/Makefile.inc
 161 printall real-all:
 162         @echo "Error: Trying to build, but NOCOMPILE is set." >&2
 163         @echo "  Please file a bug with the following information:"
 164         @echo "- MAKECMDGOALS: $(MAKECMDGOALS)" >&2
 165         @echo "- HAVE_DOTCONFIG: $(HAVE_DOTCONFIG)" >&2
 166         @echo "- HAVE_KCONFIG_MAKEFILE_REAL: $(HAVE_KCONFIG_MAKEFILE_REAL)" >&2
 167         @exit 1
 168
 169 else
 170
 171 ifneq ($(UNIT_TEST),1)
 172 include $(DOTCONFIG)
 173 endif
 174
 175 # The toolchain requires xcompile to determine the ARCH_SUPPORTED, so we can't
 176 # wait for make to generate the file.
 177 $(if $(wildcard $(xcompile)),, $(shell \
 178         mkdir -p $(dir $(xcompile)) && \
 179         util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile)))
 180
 181 include $(xcompile)
 182
 183 ifneq ($(XCOMPILE_COMPLETE),1)
 184 $(shell rm -f $(xcompile))
 185 $(error $(xcompile) deleted because it's invalid. \
 186         Restarting the build should fix that, or explain the problem)
 187 endif
 188
 189 # reproducible builds
 190 LANG:=C
 191 LC_ALL:=C
 192 TZ:=UTC0
 193 ifneq ($(NOCOMPILE),1)
 194 SOURCE_DATE_EPOCH := $(shell $(top)/util/genbuild_h/genbuild_h.sh . | sed -n 's/^.define COREBOOT_BUILD_EPOCH\>.*"\(.*\)".*/\1/p')
 195 endif
 196 # don't use COREBOOT_EXPORTS to ensure build steps outside the coreboot build system
 197 # are reproducible
 198 export LANG LC_ALL TZ SOURCE_DATE_EPOCH
 199
 200 ifneq ($(UNIT_TEST),1)
 201 include toolchain.inc
 202 endif
 203
 204 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
 205 # fix makefile syntax highlighting after strip macro \" "))
 206
 207 ifneq ($(NOCOMPILE),1)
 208 $(shell rm -f $(CCACHE_STATSLOG))
 209 endif
 210
 211 # The primary target needs to be here before we include the
 212 # other files
 213
 214 real-all: real-target
 215
 216 # must come rather early
 217 .SECONDARY:
 218 .SECONDEXPANSION:
 219 .DELETE_ON_ERROR:
 220
 221 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
 222         $(MAKE) olddefconfig
 223         $(MAKE) syncconfig
 224
 225 $(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
 226         true
 227
 228 $(KCONFIG_AUTOADS): $(KCONFIG_CONFIG) $(KCONFIG_AUTOHEADER) $(objutil)/kconfig/toada
 229         $(objutil)/kconfig/toada CB.Config <$< >$@
 230
 231 $(obj)/%/$(notdir $(KCONFIG_AUTOADS)): $(KCONFIG_AUTOADS)
 232         cp $< $@
 233
 234 # Add a new class of source/object files to the build system
 235 add-class= \
 236         $(eval $(1)-srcs:=) \
 237         $(eval $(1)-objs:=) \
 238         $(eval classes+=$(1))
 239
 240 # Special classes are managed types with special behaviour
 241 # On parse time, for each entry in variable $(1)-y
 242 # a handler $(1)-handler is executed with the arguments:
 243 # * $(1): directory the parser is in
 244 # * $(2): current entry
 245 add-special-class= \
 246         $(eval $(1):=) \
 247         $(eval special-classes+=$(1))
 248
 249 # Converts one or more source file paths to their corresponding build/ paths.
 250 # Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
 251 # their name.
 252 # $1 stage name
 253 # $2 file path (list)
 254 src-to-obj=\
 255         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 256         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 257         $(patsubst 3rdparty/%,$(obj)/%,\
 258         $(patsubst src/%,$(obj)/%,\
 259         $(patsubst %.ads,%.o,\
 260         $(patsubst %.adb,%.o,\
 261         $(patsubst %.c,%.o,\
 262         $(patsubst %.S,%.o,\
 263         $(subst .$(1),,$(2))))))))))
 264
 265 # Converts one or more source file paths to the corresponding build/ paths
 266 # of their Ada library information (.ali) files.
 267 # $1 stage name
 268 # $2 file path (list)
 269 src-to-ali=\
 270         $(patsubst $(obj)/%,$(obj)/$(1)/%,\
 271         $(patsubst $(obj)/$(1)/%,$(obj)/%,\
 272         $(patsubst 3rdparty/%,$(obj)/%,\
 273         $(patsubst src/%,$(obj)/%,\
 274         $(patsubst %.ads,%.ali,\
 275         $(patsubst %.adb,%.ali,\
 276         $(subst .$(1),,\
 277         $(filter %.ads %.adb,$(2)))))))))
 278
 279 # Clean -y variables, include Makefile.inc
 280 # Add paths to files in X-y to X-srcs
 281 # Add subdirs-y to subdirs
 282 includemakefiles= \
 283         $(if $(wildcard $(1)), \
 284                 $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
 285                 $(eval -include $(1)) \
 286                 $(foreach class,$(classes-y), $(call add-class,$(class))) \
 287                 $(foreach special,$(special-classes), \
 288                         $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
 289                 $(foreach class,$(classes), \
 290                         $(eval $(class)-srcs+= \
 291                                 $$(subst $(absobj)/,$(obj)/, \
 292                                 $$(subst $(top)/,, \
 293                                 $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
 294                 $(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))))
 295
 296 # For each path in $(subdirs) call includemakefiles
 297 # Repeat until subdirs is empty
 298 evaluate_subdirs= \
 299         $(eval cursubdirs:=$(subdirs)) \
 300         $(eval subdirs:=) \
 301         $(foreach dir,$(cursubdirs), \
 302                 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
 303         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 304
 305 # collect all object files eligible for building
 306 subdirs:=$(TOPLEVEL)
 307 postinclude-hooks :=
 308
 309 # Don't iterate through Makefile.incs under src/ when building tests
 310 ifneq ($(UNIT_TEST),1)
 311 $(eval $(call evaluate_subdirs))
 312 else
 313 include $(TOPLEVEL)/tests/Makefile.inc
 314 endif
 315
 316 ifeq ($(FAILBUILD),1)
 317 $(error cannot continue build)
 318 endif
 319
 320 # Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
 321 $(eval $(postinclude-hooks))
 322
 323 # Eliminate duplicate mentions of source files in a class
 324 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
 325
 326 ifeq ($(CONFIG_IWYU),y)
 327 MAKEFLAGS += -k
 328 SAVE_IWYU_OUTPUT := 2>&1 | grep "should\|\#include\|---\|include-list\|^[[:blank:]]\?\'" | tee -a $$(obj)/iwyu.txt
 329 endif
 330
 331 # Build Kconfig .ads if necessary
 332 ifeq ($(CONFIG_ROMSTAGE_ADA),y)
 333 romstage-srcs += $(obj)/romstage/$(notdir $(KCONFIG_AUTOADS))
 334 endif
 335 ifeq ($(CONFIG_RAMSTAGE_ADA),y)
 336 ramstage-srcs += $(obj)/ramstage/$(notdir $(KCONFIG_AUTOADS))
 337 endif
 338
 339 # To track dependencies, we need all Ada specification (.ads) files in
 340 # *-srcs. Extract / filter all specification files that have a matching
 341 # body (.adb) file here (specifications without a body are valid sources
 342 # in Ada).
 343 $(foreach class,$(classes),$(eval $(class)-extra-specs := \
 344         $(filter \
 345                 $(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
 346                 $(filter %.ads,$($(class)-srcs)))))
 347 $(foreach class,$(classes),$(eval $(class)-srcs := \
 348         $(filter-out $($(class)-extra-specs),$($(class)-srcs))))
 349
 350 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
 351 $(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
 352
 353 # For Ada includes
 354 $(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
 355
 356 # Save all objs before processing them (for dependency inclusion)
 357 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 358
 359 # Call post-processors if they're defined
 360 $(foreach class,$(classes),\
 361         $(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
 362
 363 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
 364 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
 365 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 366
 367 # Reads dependencies from an Ada library information (.ali) file
 368 # Only basenames (with suffix) are preserved so we have to look the
 369 # paths up in $($(stage)-srcs).
 370 # $1 stage name
 371 # $2 ali file
 372 create_ada_deps=$$(if $(2),\
 373         gnat.adc \
 374         $$(filter \
 375                 $$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
 376                 $$($(1)-srcs) $$($(1)-extra-specs)))
 377
 378 # macro to define template macros that are used by use_template macro
 379 define create_cc_template
 380 # $1 obj class
 381 # $2 source suffix (c, S, ld, ...)
 382 # $3 additional compiler flags
 383 # $4 additional dependencies
 384 ifn$(EMPTY)def $(1)-objs_$(2)_template
 385 de$(EMPTY)fine $(1)-objs_$(2)_template
 386 ifn$(EMPTY)eq ($(filter ads adb,$(2)),)
 387 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(4)
 388         @printf "    GCC        $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 389         $(GCC_$(1)) \
 390                 $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs)) \
 391                 $(3) -c -o $$$$@ $$$$<
 392 el$(EMPTY)se
 393 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
 394         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 395         $(CC_$(1)) \
 396                 -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) \
 397                 $(3) -c -o $$$$@ $$$$< $(SAVE_IWYU_OUTPUT)
 398 end$(EMPTY)if
 399 en$(EMPTY)def
 400 end$(EMPTY)if
 401 endef
 402
 403 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
 404 $(foreach class,$(classes), \
 405         $(foreach type,$(call filetypes-of-class,$(class)), \
 406                 $(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
 407                 $(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
 408                 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
 409
 410 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
 411 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
 412
 413 # To supported complex package initializations, we need to call the
 414 # emitted code explicitly. gnatbind gathers all the calls for us
 415 # and exports them as a procedure $(stage)_adainit(). Every stage that
 416 # uses Ada code has to call it!
 417 define gnatbind_template
 418 # $1 class
 419 $$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
 420         @printf "    BIND       $$(subst $$(obj)/,,$$@)\n"
 421         # We have to give gnatbind a simple filename (without leading
 422         # path components) so just cd there.
 423         cd $$(dir $$@) && \
 424                 $$(GNATBIND_$(1)) -a -n \
 425                         --RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
 426                         -L$(1)_ada -o $$(notdir $$@) \
 427                         $$(subst $$(dir $$@),,$$^)
 428 $$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
 429         @printf "    GCC        $$(subst $$(obj)/,,$$@)\n"
 430         $(GCC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
 431 $(1)-objs += $$(obj)/$(1)/b__$(1).o
 432 $($(1)-alis): %.ali: %.o ;
 433 endef
 434
 435 $(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
 436         $(if $($(class)-alis),$(call gnatbind_template,$(class)))))
 437
 438 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
 439 -include $(DEPENDENCIES)
 440
 441 printall:
 442         @$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
 443         @echo alldirs: $(alldirs) | tr ' ' '\n'; echo
 444         @echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
 445         @echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
 446         @$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
 447 endif
 448
 449 ifndef NOMKDIR
 450 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
 451 endif
 452
 453 $(obj)/project_filelist.txt:
 454         if [ -z "$(wildcard $(obj)/coreboot.rom)" ]; then \
 455                 echo "*** Error: Project must be built before generating file list ***"; \
 456                 exit 1; \
 457         fi
 458         find $(obj) -path "$(obj)/util" -prune -o -path "$(obj)/external" -prune -o -name "*.d" -exec cat {} \; | \
 459           sed "s|$(top)/||" | sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
 460           grep -v '\.o$$' > $(obj)/project_filelist.txt
 461
 462 filelist: $(obj)/project_filelist.txt
 463         printf "\nFiles used in build:\n"
 464         cat $(obj)/project_filelist.txt
 465
 466 #works with either exuberant ctags or ctags.emacs
 467 ctags-project: clean-ctags $(obj)/project_filelist.txt
 468         cat $(obj)/project_filelist.txt | \
 469           xargs ctags -o tags
 470
 471 cscope-project: clean-cscope $(obj)/project_filelist.txt
 472         cat $(obj)/project_filelist.txt | xargs cscope -b
 473
 474 cscope:
 475         cscope -bR
 476
 477 sphinx:
 478         $(MAKE) -C Documentation sphinx
 479
 480 sphinx-lint:
 481         $(MAKE) SPHINXOPTS=-W -C Documentation sphinx
 482
 483 symlink:
 484         @echo "Creating Symbolic Links.."; \
 485         for link in $(SYMLINK_LIST); do \
 486                 SYMLINK=`cat $$link`; \
 487                 REALPATH=`realpath $$link`; \
 488                 if [ -L "$$SYMLINK" ]; then \
 489                         continue; \
 490                 elif [ ! -e "$$SYMLINK" ]; then \
 491                         echo -e "\tLINK $$SYMLINK -> $$(dirname $$REALPATH)"; \
 492                         ln -s $$(dirname $$REALPATH) $$SYMLINK; \
 493                 else \
 494                         echo -e "\tFAILED: $$SYMLINK exists"; \
 495                 fi \
 496         done
 497
 498 clean-symlink:
 499         @echo "Deleting symbolic link";\
 500         EXISTING_SYMLINKS=`find -L ./src -xtype l | grep -v 3rdparty`; \
 501         for link in $$EXISTING_SYMLINKS; do \
 502                 echo -e "\tUNLINK $$link"; \
 503                 rm "$$link"; \
 504         done
 505
 506 clean-for-update:
 507         rm -rf $(obj) .xcompile
 508
 509 clean: clean-for-update clean-utils clean-payloads
 510         rm -f .ccwrap
 511
 512 clean-cscope:
 513         rm -f cscope.out
 514
 515 clean-ctags:
 516         rm -f tags
 517
 518 clean-utils:
 519         $(foreach tool, $(TOOLLIST), \
 520                 $(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
 521
 522 distclean-utils:
 523         $(foreach tool, $(TOOLLIST), \
 524                 $(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
 525                 rm -f /util/$(tool)/junit.xml;)
 526
 527 distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
 528         rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
 529         rm -rf coreboot-builds coreboot-builds-chromeos
 530         rm -f abuild*.xml junit.xml* util/lint/junit.xml
 531
 532 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean sphinx sphinx-lint
 533 .PHONY: ctags-project cscope-project clean-ctags symlink clean-symlink