Makefile

   1 # Makefile for buildroot2
   2 #
   3 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
   4 # Copyright (C) 2006-2009 by the Buildroot developers <buildroot@uclibc.org>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19 #
  20
  21 #--------------------------------------------------------------
  22 # Just run 'make menuconfig', configure stuff, then run 'make'.
  23 # You shouldn't need to mess with anything beyond this point...
  24 #--------------------------------------------------------------
  25 TOPDIR=./
  26 CONFIG_CONFIG_IN=Config.in
  27 CONFIG_DEFCONFIG=.defconfig
  28 CONFIG=package/config
  29 DATE:=$(shell date +%Y%m%d)
  30
  31 noconfig_targets:=menuconfig config oldconfig randconfig \
  32         defconfig allyesconfig allnoconfig release tags \
  33         source-check help
  34
  35
  36 # Use shell variables, if defined
  37 ifneq ($(BUILDROOT_LOCAL),)
  38 BR2_LOCAL:=$(BUILDROOT_LOCAL)
  39 else
  40 BR2_LOCAL:=$(TOPDIR)/local
  41 endif
  42
  43 # Variables for use in Make constructs
  44 comma:=,
  45 empty:=
  46 space:=$(empty) $(empty)
  47
  48 # $(shell find . -name *_defconfig |sed 's/.*\///')
  49 # Pull in the user's configuration file
  50 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
  51 ifeq ($(BOARD),)
  52 # if "make BOARD=xyz" command
  53 -include .config
  54 else
  55 # if "make" command
  56 -include $(BR2_LOCAL)/$(BOARD)/$(BOARD).config
  57 endif
  58 endif
  59
  60 # Override BR2_DL_DIR if shell variable defined
  61 ifneq ($(BUILDROOT_DL_DIR),)
  62 BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
  63 endif
  64 LOCAL:=$(BR2_LOCAL)
  65
  66 # To put more focus on warnings, be less verbose as default
  67 # Use 'make V=1' to see the full commands
  68 ifdef V
  69   ifeq ("$(origin V)", "command line")
  70     KBUILD_VERBOSE=$(V)
  71   endif
  72 endif
  73 ifndef KBUILD_VERBOSE
  74   KBUILD_VERBOSE=0
  75 endif
  76
  77 ifeq ($(KBUILD_VERBOSE),1)
  78   quiet=
  79   Q=
  80 ifndef VERBOSE
  81   VERBOSE=1
  82 endif
  83 else
  84   quiet=quiet_
  85   Q=@
  86 endif
  87
  88 # we want bash as shell
  89 SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  90         else if [ -x /bin/bash ]; then echo /bin/bash; \
  91         else echo sh; fi; fi)
  92
  93 # kconfig uses CONFIG_SHELL
  94 CONFIG_SHELL:=$(SHELL)
  95
  96 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
  97
  98 ifndef HOSTAR
  99 HOSTAR:=ar
 100 endif
 101 ifndef HOSTAS
 102 HOSTAS:=as
 103 endif
 104 ifndef HOSTCC
 105 HOSTCC:=gcc
 106 else
 107 endif
 108 ifndef HOSTCXX
 109 HOSTCXX:=g++
 110 endif
 111 ifndef HOSTFC
 112 HOSTFC:=gfortran
 113 endif
 114 ifndef HOSTCPP
 115 HOSTCPP:=cpp
 116 endif
 117 ifndef HOSTLD
 118 HOSTLD:=ld
 119 endif
 120 ifndef HOSTLN
 121 HOSTLN:=ln
 122 endif
 123 ifndef HOSTNM
 124 HOSTNM:=nm
 125 endif
 126 HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
 127 HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
 128 HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
 129 HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
 130 HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
 131 HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
 132 HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
 133 HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
 134 HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
 135
 136 ifndef CFLAGS_FOR_BUILD
 137 CFLAGS_FOR_BUILD:=-g -O2
 138 endif
 139 ifndef CXXFLAGS_FOR_BUILD
 140 CXXFLAGS_FOR_BUILD:=-g -O2
 141 endif
 142 ifndef FCFLAGS_FOR_BUILD
 143 FCFLAGS_FOR_BUILD:=-g -O2
 144 endif
 145 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
 146
 147
 148 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
 149
 150 # cc-option
 151 # Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
 152 # sets -march=winchip-c6 if supported else falls back to -march=i586
 153 # without checking the latter.
 154 cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
 155         > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
 156
 157 #############################################################
 158 #
 159 # Hide troublesome environment variables from sub processes
 160 #
 161 #############################################################
 162 unexport CROSS_COMPILE
 163 unexport ARCH
 164
 165 #############################################################
 166 #
 167 # Setup the proper filename extensions for the host
 168 #
 169 ##############################################################
 170 ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
 171 HOST_EXEEXT:=
 172 HOST_LIBEXT:=.a
 173 HOST_SHREXT:=.so
 174 endif
 175 ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
 176 HOST_EXEEXT:=
 177 HOST_LIBEXT:=.a
 178 HOST_SHREXT:=.dylib
 179 endif
 180 ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
 181 HOST_EXEEXT:=.exe
 182 HOST_LIBEXT:=.lib
 183 HOST_SHREXT:=.dll
 184 HOST_LOADLIBES="-lcurses -lintl"
 185 export HOST_LOADLIBES
 186 endif
 187 ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
 188 HOST_EXEEXT:=.exe
 189 HOST_LIBEXT:=.lib
 190 HOST_SHREXT:=.dll
 191 endif
 192
 193 # The preferred type of libs we build for the target
 194 ifeq ($(BR2_PREFER_STATIC_LIB),y)
 195 LIBTGTEXT=.a
 196 #PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
 197 else
 198 LIBTGTEXT=.so
 199 #PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
 200 endif
 201 PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
 202
 203 ##############################################################
 204 #
 205 # The list of stuff to build for the target toolchain
 206 # along with the packages to build for the target.
 207 #
 208 ##############################################################
 209 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
 210 BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
 211 else
 212 BASE_TARGETS:=uclibc
 213 endif
 214 TARGETS:=
 215
 216 # setup our paths
 217 include project/Makefile.in
 218
 219 BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
 220
 221 include toolchain/Makefile.in
 222 include package/Makefile.in
 223
 224 #############################################################
 225 #
 226 # You should probably leave this stuff alone unless you know
 227 # what you are doing.
 228 #
 229 #############################################################
 230
 231 all: world
 232
 233 # In this section, we need .config
 234 include .config.cmd
 235
 236 include project/*.mk
 237
 238 # We also need the various per-package makefiles, which also add
 239 # each selected package to TARGETS if that package was selected
 240 # in the .config file.
 241 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
 242 # avoid pulling in external toolchain which is broken for toplvl parallel builds
 243 # Explicit ordering:
 244 include toolchain/dependencies/dependencies.mk
 245 include toolchain/binutils/binutils.mk
 246 include toolchain/ccache/ccache.mk
 247 include toolchain/elf2flt/elf2flt.mk
 248 include toolchain/gcc/gcc-uclibc-3.x.mk
 249 include toolchain/gcc/gcc-uclibc-4.x.mk
 250 include toolchain/gdb/gdb.mk
 251 include toolchain/kernel-headers/kernel-headers.mk
 252 include toolchain/mklibs/mklibs.mk
 253 include toolchain/sstrip/sstrip.mk
 254 include toolchain/uClibc/uclibc.mk
 255 else
 256 include toolchain/*/*.mk
 257 endif
 258
 259 ifeq ($(BR2_PACKAGE_LINUX),y)
 260 TARGETS+=linux26-modules
 261 endif
 262
 263 include package/*/*.mk
 264
 265 TARGETS+=target-devfiles
 266
 267 # target stuff is last so it can override anything else
 268 include target/Makefile.in
 269
 270 TARGETS+=erase-fakeroots
 271
 272 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
 273 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
 274 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
 275 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
 276 # all targets depend on the crosscompiler and it's prerequisites
 277 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
 278
 279 $(BR2_DEPENDS_DIR): .config
 280         rm -rf $@
 281         mkdir -p $(@D)
 282         cp -dpRf $(CONFIG)/buildroot-config $@
 283
 284 dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
 285         $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
 286         $(PROJECT_BUILD_DIR)/autotools-stamps
 287
 288 $(BASE_TARGETS): dirs
 289
 290 world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
 291
 292
 293 .PHONY: all world dirs clean dirclean distclean source \
 294         $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
 295         $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
 296         $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
 297         $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
 298         $(PROJECT_BUILD_DIR)/autotools-stamps
 299
 300 #############################################################
 301 #
 302 # staging and target directories do NOT list these as
 303 # dependencies anywhere else
 304 #
 305 #############################################################
 306 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) \
 307         $(PROJECT_BUILD_DIR)/autotools-stamps $(BINARIES_DIR):
 308         @mkdir -p $@
 309
 310 $(STAGING_DIR):
 311         @mkdir -p $(STAGING_DIR)/bin
 312         @mkdir -p $(STAGING_DIR)/lib
 313 ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
 314         @mkdir -p $(STAGING_DIR)/usr/lib
 315 else
 316 ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
 317         @ln -snf . $(STAGING_DIR)/usr
 318         @mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
 319         @ln -snf ../lib $(STAGING_DIR)/usr/lib
 320         @ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
 321 endif
 322 endif
 323         @mkdir -p $(STAGING_DIR)/usr/include
 324
 325 $(PROJECT_BUILD_DIR)/.root:
 326         mkdir -p $(TARGET_DIR)
 327         if ! [ -d "$(TARGET_DIR)/bin" ]; then \
 328                 if [ -d "$(TARGET_SKELETON)" ]; then \
 329                         cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
 330                 fi; \
 331                 touch $(STAGING_DIR)/.fakeroot.00000; \
 332         fi
 333         -find $(TARGET_DIR) -type d -name CVS -o -name .svn | xargs rm -rf
 334         -find $(TARGET_DIR) -type f -name .empty | xargs rm -rf
 335         touch $@
 336
 337 $(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
 338
 339 erase-fakeroots:
 340         rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
 341
 342 target-devfiles:
 343 ifeq ($(BR2_HAVE_DEVFILES),y)
 344         ( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
 345 else
 346         rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
 347         find $(TARGET_DIR)/usr/lib -name '*.a' -delete
 348         find $(TARGET_DIR)/lib -name '*.a' -delete
 349         find $(TARGET_DIR)/usr/lib -name '*.la' -delete
 350         find $(TARGET_DIR)/lib -name '*.la' -delete
 351 endif
 352
 353 source: $(TARGETS_SOURCE) $(HOST_SOURCE)
 354
 355 _source-check:
 356         $(MAKE) SPIDER=--spider source
 357
 358 external-deps:
 359         @$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
 360                 SPIDER=--spider source
 361
 362 #############################################################
 363 #
 364 # Cleanup and misc junk
 365 #
 366 #############################################################
 367 clean: $(TARGETS_CLEAN)
 368         rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
 369
 370 dirclean: $(TARGETS_DIRCLEAN)
 371         rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
 372
 373 distclean:
 374 ifeq ($(DL_DIR),$(BASE_DIR)/dl)
 375         rm -rf $(DL_DIR)
 376 endif
 377         rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
 378         $(LINUX_KERNEL) $(BASE_DIR)/include \
 379                 .config.cmd
 380         $(MAKE) -C $(CONFIG) clean
 381
 382 sourceball:
 383         rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
 384         set -e; \
 385         cd ..; \
 386         rm -f buildroot.tar.bz2; \
 387         tar -cvf buildroot.tar buildroot; \
 388         bzip2 -9 buildroot.tar; \
 389
 390
 391 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
 392
 393 all: menuconfig
 394
 395 # configuration
 396 # ---------------------------------------------------------------------------
 397
 398 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
 399 export HOSTCFLAGS
 400
 401 $(CONFIG)/conf:
 402         @mkdir -p $(CONFIG)/buildroot-config
 403         $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
 404         -@if [ ! -f .config ]; then \
 405                 cp $(CONFIG_DEFCONFIG) .config; \
 406         fi
 407 $(CONFIG)/mconf:
 408         @mkdir -p $(CONFIG)/buildroot-config
 409         $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
 410         -@if [ ! -f .config ]; then \
 411                 cp $(CONFIG_DEFCONFIG) .config; \
 412         fi
 413
 414 menuconfig: $(CONFIG)/mconf
 415         @mkdir -p $(CONFIG)/buildroot-config
 416         @if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 417                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 418                 $(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
 419                 test -f .config.cmd || rm -f .config; \
 420         fi
 421
 422 config: $(CONFIG)/conf
 423         @mkdir -p $(CONFIG)/buildroot-config
 424         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 425                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 426                 $(CONFIG)/conf $(CONFIG_CONFIG_IN)
 427
 428 oldconfig: $(CONFIG)/conf
 429         @mkdir -p $(CONFIG)/buildroot-config
 430         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 431                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 432                 $(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
 433
 434 randconfig: $(CONFIG)/conf
 435         @mkdir -p $(CONFIG)/buildroot-config
 436         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 437                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 438                 $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
 439
 440 allyesconfig: $(CONFIG)/conf
 441         cat $(CONFIG_DEFCONFIG) > .config
 442         @mkdir -p $(CONFIG)/buildroot-config
 443         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 444                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 445                 $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
 446         #sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
 447
 448 allnoconfig: $(CONFIG)/conf
 449         @mkdir -p $(CONFIG)/buildroot-config
 450         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 451                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 452                 $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
 453
 454 defconfig: $(CONFIG)/conf
 455         @mkdir -p $(CONFIG)/buildroot-config
 456         @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
 457                 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
 458                 $(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
 459
 460 # check if download URLs are outdated
 461 source-check: allyesconfig
 462         $(MAKE) _source-check
 463
 464 #############################################################
 465 #
 466 # Cleanup and misc junk
 467 #
 468 #############################################################
 469 clean:
 470         rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
 471         -$(MAKE) -C $(CONFIG) clean
 472
 473 distclean: clean
 474         rm -rf sources/*
 475
 476
 477 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
 478
 479 flush:
 480         rm -f $(PROJECT_BUILD_DIR)/tgt-config.cache
 481
 482 %_defconfig: $(CONFIG)/conf
 483         cp $(shell find ./target/ -name $@) .config
 484         -@$(MAKE) oldconfig
 485
 486 update:
 487         cp .config $(BOARD_PATH)/$(PROJECT)_defconfig
 488
 489 configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
 490
 491 prepatch:       gcc-patched binutils-patched gdb-patched uclibc-patched
 492
 493 .lognr.$(PROJECT):
 494         @echo "0" > .lognr.$(PROJECT)
 495
 496 log:    .lognr.$(PROJECT)
 497         @expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)
 498         @echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
 499         @$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1
 500
 501
 502 cross: $(BASE_TARGETS)
 503
 504 help:
 505         @echo 'Cleaning:'
 506         @echo '  clean                  - delete temporary files created by build'
 507         @echo '  distclean              - delete all non-source files (including .config)'
 508         @echo
 509         @echo 'Build:'
 510         @echo '  all                    - make world'
 511         @echo
 512         @echo 'Configuration:'
 513         @echo '  menuconfig             - interactive curses-based configurator'
 514         @echo '  oldconfig              - resolve any unresolved symbols in .config'
 515         @echo '  configured             - make {uclibc/busybox/linux26}-config'
 516         @echo '  saveconfig             - save current configuration under local/<project>'
 517         @echo '  getconfig              - restore saved configuration from local/<project>'
 518         @echo
 519         @echo 'Miscellaneous:'
 520         @echo '  source                 - download all sources needed for offline-build'
 521         @echo '  source-check           - check all packages for valid download URLs'
 522         @echo '  external-deps          - list external packages used'
 523         @echo '  flush                  - flush configuration cache'
 524         @echo
 525         @echo 'See docs/README and docs/buildroot.html for further details'
 526         @echo
 527
 528 release: distclean
 529         OUT=buildroot-$$(grep -A2 BR2_VERSION $(CONFIG_CONFIG_IN)|grep default|cut -f2 -d\"); \
 530         rm -rf ../$$OUT*; cp -al . ../$$OUT; cd ..; \
 531         tar cfz $$OUT.tar.gz --exclude .svn --exclude .git --exclude \*~ $$OUT; \
 532         rm -rf $$OUT
 533
 534 .PHONY: dummy subdirs release distclean clean config oldconfig \
 535         menuconfig tags check test depend defconfig help
 536