Makefile 39 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078
  1. # Makefile for buildroot
  2. #
  3. # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
  4. # Copyright (C) 2006-2014 by the Buildroot developers <buildroot@uclibc.org>
  5. # Copyright (C) 2014-2018 by the Buildroot developers <buildroot@buildroot.org>
  6. #
  7. # This program is free software; you can redistribute it and/or modify
  8. # it under the terms of the GNU General Public License as published by
  9. # the Free Software Foundation; either version 2 of the License, or
  10. # (at your option) any later version.
  11. #
  12. # This program is distributed in the hope that it will be useful,
  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. # General Public License for more details.
  16. #
  17. # You should have received a copy of the GNU General Public License
  18. # along with this program; if not, write to the Free Software
  19. # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  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. # Delete default rules. We don't use them. This saves a bit of time.
  26. .SUFFIXES:
  27. # we want bash as shell
  28. SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  29. else if [ -x /bin/bash ]; then echo /bin/bash; \
  30. else echo sh; fi; fi)
  31. # Set O variable if not already done on the command line;
  32. # or avoid confusing packages that can use the O=<dir> syntax for out-of-tree
  33. # build by preventing it from being forwarded to sub-make calls.
  34. ifneq ("$(origin O)", "command line")
  35. O := $(CURDIR)/output
  36. endif
  37. # Check if the current Buildroot execution meets all the pre-requisites.
  38. # If they are not met, Buildroot will actually do its job in a sub-make meeting
  39. # its pre-requisites, which are:
  40. # 1- Permissive enough umask:
  41. # Wrong or too restrictive umask will prevent Buildroot and packages from
  42. # creating files and directories.
  43. # 2- Absolute canonical CWD (i.e. $(CURDIR)):
  44. # Otherwise, some packages will use CWD as-is, others will compute its
  45. # absolute canonical path. This makes harder tracking and fixing host
  46. # machine path leaks.
  47. # 3- Absolute canonical output location (i.e. $(O)):
  48. # For the same reason as the one for CWD.
  49. # Remove the trailing '/.' from $(O) as it can be added by the makefile wrapper
  50. # installed in the $(O) directory.
  51. # Also remove the trailing '/' the user can set when on the command line.
  52. override O := $(patsubst %/,%,$(patsubst %.,%,$(O)))
  53. # Make sure $(O) actually exists before calling realpath on it; this is to
  54. # avoid empty CANONICAL_O in case on non-existing entry.
  55. CANONICAL_O := $(shell mkdir -p $(O) >/dev/null 2>&1)$(realpath $(O))
  56. CANONICAL_CURDIR = $(realpath $(CURDIR))
  57. REQ_UMASK = 0022
  58. # Make sure O= is passed (with its absolute canonical path) everywhere the
  59. # toplevel makefile is called back.
  60. EXTRAMAKEARGS := O=$(CANONICAL_O)
  61. # Check Buildroot execution pre-requisites here.
  62. ifneq ($(shell umask):$(CURDIR):$(O),$(REQ_UMASK):$(CANONICAL_CURDIR):$(CANONICAL_O))
  63. .PHONY: _all $(MAKECMDGOALS)
  64. $(MAKECMDGOALS): _all
  65. @:
  66. _all:
  67. @umask $(REQ_UMASK) && \
  68. $(MAKE) -C $(CANONICAL_CURDIR) --no-print-directory \
  69. $(MAKECMDGOALS) $(EXTRAMAKEARGS)
  70. else # umask / $(CURDIR) / $(O)
  71. # This is our default rule, so must come first
  72. all:
  73. # Set and export the version string
  74. export BR2_VERSION := 2017.02.11
  75. # Actual time the release is cut (for reproducible builds)
  76. BR2_VERSION_EPOCH = 1523473000
  77. # Save running make version since it's clobbered by the make package
  78. RUNNING_MAKE_VERSION := $(MAKE_VERSION)
  79. # Check for minimal make version (note: this check will break at make 10.x)
  80. MIN_MAKE_VERSION = 3.81
  81. ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
  82. $(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
  83. endif
  84. # Parallel execution of this Makefile is disabled because it changes
  85. # the packages building order, that can be a problem for two reasons:
  86. # - If a package has an unspecified optional dependency and that
  87. # dependency is present when the package is built, it is used,
  88. # otherwise it isn't (but compilation happily proceeds) so the end
  89. # result will differ if the order is swapped due to parallel
  90. # building.
  91. # - Also changing the building order can be a problem if two packages
  92. # manipulate the same file in the target directory.
  93. #
  94. # Taking into account the above considerations, if you still want to execute
  95. # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
  96. # use the -j<jobs> option when building, e.g:
  97. # make -j$((`getconf _NPROCESSORS_ONLN`+1))
  98. .NOTPARALLEL:
  99. # absolute path
  100. TOPDIR := $(CURDIR)
  101. CONFIG_CONFIG_IN = Config.in
  102. CONFIG = support/kconfig
  103. DATE := $(shell date +%Y%m%d)
  104. # Compute the full local version string so packages can use it as-is
  105. # Need to export it, so it can be got from environment in children (eg. mconf)
  106. export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
  107. noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
  108. defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
  109. randpackageconfig allyespackageconfig allnopackageconfig \
  110. print-version olddefconfig distclean manual manual-html manual-split-html \
  111. manual-pdf manual-text manual-epub
  112. # Some global targets do not trigger a build, but are used to collect
  113. # metadata, or do various checks. When such targets are triggered,
  114. # some packages should not do their configuration sanity
  115. # checks. Provide them a BR_BUILDING variable set to 'y' when we're
  116. # actually building and they should do their sanity checks.
  117. #
  118. # We're building in two situations: when MAKECMDGOALS is empty
  119. # (default target is to build), or when MAKECMDGOALS contains
  120. # something else than one of the nobuild_targets.
  121. nobuild_targets := source %-source source-check \
  122. legal-info %-legal-info external-deps _external-deps \
  123. clean distclean help show-targets graph-depends \
  124. %-graph-depends %-show-depends %-show-version \
  125. graph-build graph-size list-defconfigs \
  126. savedefconfig printvars
  127. ifeq ($(MAKECMDGOALS),)
  128. BR_BUILDING = y
  129. else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
  130. BR_BUILDING = y
  131. endif
  132. # We call make recursively to build packages. The command-line overrides that
  133. # are passed to Buildroot don't apply to those package build systems. In
  134. # particular, we don't want to pass down the O=<dir> option for out-of-tree
  135. # builds, because the value specified on the command line will not be correct
  136. # for packages.
  137. MAKEOVERRIDES :=
  138. # Include some helper macros and variables
  139. include support/misc/utils.mk
  140. # Set variables related to in-tree or out-of-tree build.
  141. # Here, both $(O) and $(CURDIR) are absolute canonical paths.
  142. ifeq ($(O),$(CURDIR)/output)
  143. CONFIG_DIR := $(CURDIR)
  144. NEED_WRAPPER =
  145. else
  146. CONFIG_DIR := $(O)
  147. NEED_WRAPPER = y
  148. endif
  149. # bash prints the name of the directory on 'cd <dir>' if CDPATH is
  150. # set, so unset it here to not cause problems. Notice that the export
  151. # line doesn't affect the environment of $(shell ..) calls.
  152. export CDPATH :=
  153. BASE_DIR := $(CANONICAL_O)
  154. $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
  155. # Handling of BR2_EXTERNAL.
  156. #
  157. # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
  158. # The location of the external.mk makefile fragments is computed in that file.
  159. # On subsequent invocations of make, this file is read in. BR2_EXTERNAL can
  160. # still be overridden on the command line, therefore the file is re-created
  161. # every time make is run.
  162. BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external.mk
  163. -include $(BR2_EXTERNAL_FILE)
  164. $(shell support/scripts/br2-external \
  165. -m -o '$(BR2_EXTERNAL_FILE)' $(BR2_EXTERNAL))
  166. BR2_EXTERNAL_ERROR =
  167. include $(BR2_EXTERNAL_FILE)
  168. ifneq ($(BR2_EXTERNAL_ERROR),)
  169. $(error $(BR2_EXTERNAL_ERROR))
  170. endif
  171. # To make sure that the environment variable overrides the .config option,
  172. # set this before including .config.
  173. ifneq ($(BR2_DL_DIR),)
  174. DL_DIR := $(BR2_DL_DIR)
  175. endif
  176. ifneq ($(BR2_CCACHE_DIR),)
  177. BR_CACHE_DIR := $(BR2_CCACHE_DIR)
  178. endif
  179. # Need that early, before we scan packages
  180. # Avoids doing the $(or...) everytime
  181. BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
  182. BUILD_DIR := $(BASE_DIR)/build
  183. BINARIES_DIR := $(BASE_DIR)/images
  184. TARGET_DIR := $(BASE_DIR)/target
  185. # initial definition so that 'make clean' works for most users, even without
  186. # .config. HOST_DIR will be overwritten later when .config is included.
  187. HOST_DIR := $(BASE_DIR)/host
  188. GRAPHS_DIR := $(BASE_DIR)/graphs
  189. LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
  190. REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
  191. REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
  192. LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
  193. LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
  194. LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
  195. LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
  196. LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
  197. LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
  198. ################################################################################
  199. #
  200. # staging and target directories do NOT list these as
  201. # dependencies anywhere else
  202. #
  203. ################################################################################
  204. $(BUILD_DIR) $(TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
  205. @mkdir -p $@
  206. BR2_CONFIG = $(CONFIG_DIR)/.config
  207. # Pull in the user's configuration file
  208. ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
  209. -include $(BR2_CONFIG)
  210. endif
  211. # timezone and locale may affect build output
  212. ifeq ($(BR2_REPRODUCIBLE),y)
  213. export TZ = UTC
  214. export LANG = C
  215. export LC_ALL = C
  216. export GZIP = -n
  217. BR2_VERSION_GIT_EPOCH = $(shell GIT_DIR=$(TOPDIR)/.git $(GIT) log -1 --format=%at)
  218. export SOURCE_DATE_EPOCH ?= $(if $(wildcard $(TOPDIR)/.git),$(BR2_VERSION_GIT_EPOCH),$(BR2_VERSION_EPOCH))
  219. DEPENDENCIES_HOST_PREREQ += host-fakedate
  220. endif
  221. # To put more focus on warnings, be less verbose as default
  222. # Use 'make V=1' to see the full commands
  223. ifeq ("$(origin V)", "command line")
  224. KBUILD_VERBOSE = $(V)
  225. endif
  226. ifndef KBUILD_VERBOSE
  227. KBUILD_VERBOSE = 0
  228. endif
  229. ifeq ($(KBUILD_VERBOSE),1)
  230. Q =
  231. ifndef VERBOSE
  232. VERBOSE = 1
  233. endif
  234. export VERBOSE
  235. else
  236. Q = @
  237. endif
  238. # kconfig uses CONFIG_SHELL
  239. CONFIG_SHELL := $(SHELL)
  240. export SHELL CONFIG_SHELL Q KBUILD_VERBOSE
  241. ifndef HOSTAR
  242. HOSTAR := ar
  243. endif
  244. ifndef HOSTAS
  245. HOSTAS := as
  246. endif
  247. ifndef HOSTCC
  248. HOSTCC := gcc
  249. HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
  250. endif
  251. HOSTCC_NOCCACHE := $(HOSTCC)
  252. ifndef HOSTCXX
  253. HOSTCXX := g++
  254. HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
  255. endif
  256. HOSTCXX_NOCCACHE := $(HOSTCXX)
  257. ifndef HOSTCPP
  258. HOSTCPP := cpp
  259. endif
  260. ifndef HOSTLD
  261. HOSTLD := ld
  262. endif
  263. ifndef HOSTLN
  264. HOSTLN := ln
  265. endif
  266. ifndef HOSTNM
  267. HOSTNM := nm
  268. endif
  269. ifndef HOSTOBJCOPY
  270. HOSTOBJCOPY := objcopy
  271. endif
  272. ifndef HOSTRANLIB
  273. HOSTRANLIB := ranlib
  274. endif
  275. HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
  276. HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
  277. HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
  278. HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
  279. HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
  280. HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
  281. HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
  282. HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
  283. SED := $(shell which sed || type -p sed) -i -e
  284. export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
  285. export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
  286. # Determine the userland we are running on.
  287. #
  288. # Note that, despite its name, we are not interested in the actual
  289. # architecture name. This is mostly used to determine whether some
  290. # of the binary tools (e.g. pre-built external toolchains) can run
  291. # on the current host. So we need to know if the userland we're
  292. # running on can actually run those toolchains.
  293. #
  294. # For example, a 64-bit prebuilt toolchain will not run on a 64-bit
  295. # kernel if the userland is 32-bit (e.g. in a chroot for example).
  296. #
  297. # So, we extract the first part of the tuple the host gcc was
  298. # configured to generate code for; we assume this is our userland.
  299. #
  300. export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
  301. sed -e '/^Target: \([^-]*\).*/!d' \
  302. -e 's//\1/' \
  303. -e 's/i.86/x86/' \
  304. -e 's/sun4u/sparc64/' \
  305. -e 's/arm.*/arm/' \
  306. -e 's/sa110/arm/' \
  307. -e 's/ppc64/powerpc64/' \
  308. -e 's/ppc/powerpc/' \
  309. -e 's/macppc/powerpc/' \
  310. -e 's/sh.*/sh/' )
  311. HOSTCC_VERSION := $(shell $(HOSTCC_NOCCACHE) --version | \
  312. sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p')
  313. # For gcc >= 5.x, we only need the major version.
  314. ifneq ($(firstword $(HOSTCC_VERSION)),4)
  315. HOSTCC_VERSION := $(firstword $(HOSTCC_VERSION))
  316. endif
  317. # Make sure pkg-config doesn't look outside the buildroot tree
  318. HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
  319. unexport PKG_CONFIG_PATH
  320. unexport PKG_CONFIG_SYSROOT_DIR
  321. unexport PKG_CONFIG_LIBDIR
  322. # Having DESTDIR set in the environment confuses the installation
  323. # steps of some packages.
  324. unexport DESTDIR
  325. # Causes breakage with packages that needs host-ruby
  326. unexport RUBYOPT
  327. include package/pkg-utils.mk
  328. include package/doc-asciidoc.mk
  329. ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  330. ################################################################################
  331. #
  332. # Hide troublesome environment variables from sub processes
  333. #
  334. ################################################################################
  335. unexport CROSS_COMPILE
  336. unexport ARCH
  337. unexport CC
  338. unexport LD
  339. unexport AR
  340. unexport CXX
  341. unexport CPP
  342. unexport RANLIB
  343. unexport CFLAGS
  344. unexport CXXFLAGS
  345. unexport GREP_OPTIONS
  346. unexport TAR_OPTIONS
  347. unexport CONFIG_SITE
  348. unexport QMAKESPEC
  349. unexport TERMINFO
  350. unexport MACHINE
  351. unexport O
  352. unexport GCC_COLORS
  353. GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
  354. PACKAGES :=
  355. PACKAGES_ALL :=
  356. # silent mode requested?
  357. QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
  358. # Strip off the annoying quoting
  359. ARCH := $(call qstrip,$(BR2_ARCH))
  360. KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
  361. -e s/i.86/i386/ -e s/sun4u/sparc64/ \
  362. -e s/arcle/arc/ \
  363. -e s/arceb/arc/ \
  364. -e s/arm.*/arm/ -e s/sa110/arm/ \
  365. -e s/aarch64.*/arm64/ \
  366. -e s/bfin/blackfin/ \
  367. -e s/or1k/openrisc/ \
  368. -e s/parisc64/parisc/ \
  369. -e s/powerpc64.*/powerpc/ \
  370. -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
  371. -e s/sh.*/sh/ \
  372. -e s/microblazeel/microblaze/)
  373. ZCAT := $(call qstrip,$(BR2_ZCAT))
  374. BZCAT := $(call qstrip,$(BR2_BZCAT))
  375. XZCAT := $(call qstrip,$(BR2_XZCAT))
  376. LZCAT := $(call qstrip,$(BR2_LZCAT))
  377. TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
  378. # packages compiled for the host go here
  379. HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
  380. # Quotes are needed for spaces and all in the original PATH content.
  381. BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin:$(PATH)"
  382. # Location of a file giving a big fat warning that output/target
  383. # should not be used as the root filesystem.
  384. TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
  385. ifeq ($(BR2_CCACHE),y)
  386. CCACHE := $(HOST_DIR)/usr/bin/ccache
  387. BR_CACHE_DIR ?= $(call qstrip,$(BR2_CCACHE_DIR))
  388. export BR_CACHE_DIR
  389. HOSTCC := $(CCACHE) $(HOSTCC)
  390. HOSTCXX := $(CCACHE) $(HOSTCXX)
  391. else
  392. export BR_NO_CCACHE
  393. endif
  394. # Scripts in support/ or post-build scripts may need to reference
  395. # these locations, so export them so it is easier to use
  396. export BR2_CONFIG
  397. export BR2_REPRODUCIBLE
  398. export TARGET_DIR
  399. export STAGING_DIR
  400. export HOST_DIR
  401. export BINARIES_DIR
  402. export BASE_DIR
  403. ################################################################################
  404. #
  405. # You should probably leave this stuff alone unless you know
  406. # what you are doing.
  407. #
  408. ################################################################################
  409. all: world
  410. # Include legacy before the other things, because package .mk files
  411. # may rely on it.
  412. include Makefile.legacy
  413. include package/Makefile.in
  414. include support/dependencies/dependencies.mk
  415. PACKAGES += $(DEPENDENCIES_HOST_PREREQ)
  416. include $(sort $(wildcard toolchain/*.mk))
  417. include $(sort $(wildcard toolchain/*/*.mk))
  418. # Include the package override file if one has been provided in the
  419. # configuration.
  420. PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
  421. ifneq ($(PACKAGE_OVERRIDE_FILE),)
  422. -include $(PACKAGE_OVERRIDE_FILE)
  423. endif
  424. include $(sort $(wildcard package/*/*.mk))
  425. include boot/common.mk
  426. include linux/linux.mk
  427. include fs/common.mk
  428. # If using a br2-external tree, the BR2_EXTERNAL_$(NAME)_PATH variables
  429. # are also present in the .config file. Since .config is included after
  430. # we defined them in the Makefile, the values for those variables are
  431. # quoted. We just include the generated Makefile fragment .br2-external.mk
  432. # a third time, which will set those variables to the un-quoted values.
  433. include $(BR2_EXTERNAL_FILE)
  434. # Nothing to include if no BR2_EXTERNAL tree in use
  435. include $(BR2_EXTERNAL_MKS)
  436. # Now we are sure we have all the packages scanned and defined. We now
  437. # check for each package in the list of enabled packages, that all its
  438. # dependencies are indeed enabled.
  439. #
  440. # Only trigger the check for default builds. If the user forces building
  441. # a package, even if not enabled in the configuration, we want to accept
  442. # it.
  443. #
  444. ifeq ($(MAKECMDGOALS),)
  445. define CHECK_ONE_DEPENDENCY
  446. ifeq ($$($(2)_TYPE),target)
  447. ifeq ($$($(2)_IS_VIRTUAL),)
  448. ifneq ($$($$($(2)_KCONFIG_VAR)),y)
  449. $$(error $$($(2)_NAME) is in the dependency chain of $$($(1)_NAME) that \
  450. has added it to its _DEPENDENCIES variable without selecting it or \
  451. depending on it from Config.in)
  452. endif
  453. endif
  454. endif
  455. endef
  456. $(foreach pkg,$(call UPPERCASE,$(PACKAGES)),\
  457. $(foreach dep,$(call UPPERCASE,$($(pkg)_FINAL_ALL_DEPENDENCIES)),\
  458. $(eval $(call CHECK_ONE_DEPENDENCY,$(pkg),$(dep))$(sep))))
  459. endif
  460. dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
  461. $(HOST_DIR) $(BINARIES_DIR)
  462. $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
  463. $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
  464. prepare: $(BUILD_DIR)/buildroot-config/auto.conf
  465. world: target-post-image
  466. .PHONY: all world toolchain dirs clean distclean source outputmakefile \
  467. legal-info legal-info-prepare legal-info-clean printvars help \
  468. list-defconfigs target-finalize target-post-image source-check
  469. # Populating the staging with the base directories is handled by the skeleton package
  470. $(STAGING_DIR):
  471. @mkdir -p $(STAGING_DIR)
  472. @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
  473. RSYNC_VCS_EXCLUSIONS = \
  474. --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
  475. --exclude CVS
  476. STRIP_FIND_CMD = find $(TARGET_DIR)
  477. ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
  478. STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
  479. endif
  480. STRIP_FIND_CMD += -type f \( -perm /111 -o -name '*.so*' \)
  481. # file exclusions:
  482. # - libpthread.so: a non-stripped libpthread shared library is needed for
  483. # proper debugging of pthread programs using gdb.
  484. # - ld.so: a non-stripped dynamic linker library is needed for valgrind
  485. # - kernel modules (*.ko): do not function properly when stripped like normal
  486. # applications and libraries. Normally kernel modules are already excluded
  487. # by the executable permission check above, so the explicit exclusion is only
  488. # done for kernel modules with incorrect permissions.
  489. STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* ld-*.so* *.ko $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print0
  490. ifeq ($(BR2_ECLIPSE_REGISTER),y)
  491. define TOOLCHAIN_ECLIPSE_REGISTER
  492. ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` \
  493. $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
  494. endef
  495. TARGET_FINALIZE_HOOKS += TOOLCHAIN_ECLIPSE_REGISTER
  496. endif
  497. # Generate locale data. Basically, we call the localedef program
  498. # (built by the host-localedef package) for each locale. The input
  499. # data comes preferably from the toolchain, or if the toolchain does
  500. # not have them (Linaro toolchains), we use the ones available on the
  501. # host machine.
  502. ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
  503. GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
  504. ifneq ($(GLIBC_GENERATE_LOCALES),)
  505. PACKAGES += host-localedef
  506. define GENERATE_GLIBC_LOCALES
  507. $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
  508. $(Q)for locale in $(GLIBC_GENERATE_LOCALES) ; do \
  509. inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
  510. charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
  511. if test -z "$${charmap}" ; then \
  512. charmap="UTF-8" ; \
  513. fi ; \
  514. echo "Generating locale $${inputfile}.$${charmap}" ; \
  515. I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
  516. $(HOST_DIR)/usr/bin/localedef \
  517. --prefix=$(TARGET_DIR) \
  518. --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
  519. -i $${inputfile} -f $${charmap} \
  520. $${locale} ; \
  521. done
  522. endef
  523. TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
  524. endif
  525. endif
  526. ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
  527. LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
  528. LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
  529. # This piece of junk does the following:
  530. # First collect the whitelist in a file.
  531. # Then go over all the locale dirs and for each subdir, check if it exists
  532. # in the whitelist file. If it doesn't, kill it.
  533. # Finally, specifically for X11, regenerate locale.dir from the whitelist.
  534. define PURGE_LOCALES
  535. rm -f $(LOCALE_WHITELIST)
  536. for i in $(LOCALE_NOPURGE) locale-archive; do echo $$i >> $(LOCALE_WHITELIST); done
  537. for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale)); \
  538. do \
  539. for langdir in $$dir/*; \
  540. do \
  541. if [ -e "$${langdir}" ]; \
  542. then \
  543. grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
  544. fi \
  545. done; \
  546. done
  547. if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
  548. then \
  549. for lang in $(LOCALE_NOPURGE); \
  550. do \
  551. if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
  552. then \
  553. echo "$$lang/XLC_LOCALE: $$lang"; \
  554. fi \
  555. done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
  556. fi
  557. endef
  558. TARGET_FINALIZE_HOOKS += PURGE_LOCALES
  559. endif
  560. $(TARGETS_ROOTFS): target-finalize
  561. target-finalize: $(PACKAGES)
  562. @$(call MESSAGE,"Finalizing target directory")
  563. $(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
  564. rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
  565. $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
  566. $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
  567. find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
  568. find $(TARGET_DIR)/lib/ $(TARGET_DIR)/usr/lib/ $(TARGET_DIR)/usr/libexec/ \
  569. \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
  570. ifneq ($(BR2_PACKAGE_GDB),y)
  571. rm -rf $(TARGET_DIR)/usr/share/gdb
  572. endif
  573. ifneq ($(BR2_PACKAGE_BASH),y)
  574. rm -rf $(TARGET_DIR)/usr/share/bash-completion
  575. endif
  576. ifneq ($(BR2_PACKAGE_ZSH),y)
  577. rm -rf $(TARGET_DIR)/usr/share/zsh
  578. endif
  579. rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
  580. rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
  581. rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
  582. rm -rf $(TARGET_DIR)/usr/share/gtk-doc
  583. rmdir $(TARGET_DIR)/usr/share 2>/dev/null || true
  584. $(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
  585. # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
  586. # besides the one in which crash occurred; or SIGTRAP kills my program when
  587. # I set a breakpoint"
  588. ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
  589. find $(TARGET_DIR)/lib/ -type f -name 'libpthread*.so*' | \
  590. xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
  591. endif
  592. # Valgrind needs ld.so with enough information, so only strip
  593. # debugging symbols.
  594. find $(TARGET_DIR)/lib/ -type f -name 'ld-*.so*' | \
  595. xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
  596. test -f $(TARGET_DIR)/etc/ld.so.conf && \
  597. { echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true
  598. test -d $(TARGET_DIR)/etc/ld.so.conf.d && \
  599. { echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true
  600. mkdir -p $(TARGET_DIR)/etc
  601. ( \
  602. echo "NAME=Buildroot"; \
  603. echo "VERSION=$(BR2_VERSION_FULL)"; \
  604. echo "ID=buildroot"; \
  605. echo "VERSION_ID=$(BR2_VERSION)"; \
  606. echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
  607. ) > $(TARGET_DIR)/etc/os-release
  608. @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
  609. $(call MESSAGE,"Copying overlay $(d)"); \
  610. rsync -a --ignore-times --keep-dirlinks $(RSYNC_VCS_EXCLUSIONS) \
  611. --chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
  612. $(d)/ $(TARGET_DIR)$(sep))
  613. @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
  614. $(call MESSAGE,"Executing post-build script $(s)"); \
  615. $(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  616. target-post-image: $(TARGETS_ROOTFS) target-finalize
  617. @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
  618. $(call MESSAGE,"Executing post-image script $(s)"); \
  619. $(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  620. source: $(foreach p,$(PACKAGES),$(p)-all-source)
  621. _external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
  622. external-deps:
  623. @$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
  624. # check if download URLs are outdated
  625. source-check: $(foreach p,$(PACKAGES),$(p)-all-source-check)
  626. legal-info-clean:
  627. @rm -fr $(LEGAL_INFO_DIR)
  628. legal-info-prepare: $(LEGAL_INFO_DIR)
  629. @$(call MESSAGE,"Collecting legal info")
  630. @$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
  631. @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,TARGET)
  632. @$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,HOST)
  633. @$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,not saved,HOST)
  634. @$(call legal-warning,the Buildroot source code has not been saved)
  635. @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
  636. legal-info: dirs legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
  637. $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
  638. @cat support/legal-info/README.header >>$(LEGAL_REPORT)
  639. @if [ -r $(LEGAL_WARNINGS) ]; then \
  640. cat support/legal-info/README.warnings-header \
  641. $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
  642. cat $(LEGAL_WARNINGS); fi
  643. @rm -f $(LEGAL_WARNINGS)
  644. @(cd $(LEGAL_INFO_DIR); \
  645. find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
  646. >.legal-info.sha256; \
  647. mv .legal-info.sha256 legal-info.sha256)
  648. @echo "Legal info produced in $(LEGAL_INFO_DIR)"
  649. show-targets:
  650. @echo $(PACKAGES) $(TARGETS_ROOTFS)
  651. graph-build: $(O)/build/build-time.log
  652. @install -d $(GRAPHS_DIR)
  653. $(foreach o,name build duration,./support/scripts/graph-build-time \
  654. --type=histogram --order=$(o) --input=$(<) \
  655. --output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
  656. $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  657. $(foreach t,packages steps,./support/scripts/graph-build-time \
  658. --type=pie-$(t) --input=$(<) \
  659. --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
  660. $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  661. graph-depends-requirements:
  662. @dot -? >/dev/null 2>&1 || \
  663. { echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
  664. graph-depends: graph-depends-requirements
  665. @$(INSTALL) -d $(GRAPHS_DIR)
  666. @cd "$(CONFIG_DIR)"; \
  667. $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
  668. --direct -o $(GRAPHS_DIR)/$(@).dot
  669. dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
  670. -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
  671. $(GRAPHS_DIR)/$(@).dot
  672. graph-size:
  673. $(Q)mkdir -p $(GRAPHS_DIR)
  674. $(Q)$(TOPDIR)/support/scripts/size-stats --builddir $(BASE_DIR) \
  675. --graph $(GRAPHS_DIR)/graph-size.$(BR_GRAPH_OUT) \
  676. --file-size-csv $(GRAPHS_DIR)/file-size-stats.csv \
  677. --package-size-csv $(GRAPHS_DIR)/package-size-stats.csv
  678. check-dependencies:
  679. @cd "$(CONFIG_DIR)"; \
  680. $(TOPDIR)/support/scripts/graph-depends -C
  681. else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  682. all: menuconfig
  683. endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  684. # configuration
  685. # ---------------------------------------------------------------------------
  686. HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
  687. export HOSTCFLAGS
  688. .PHONY: prepare-kconfig
  689. prepare-kconfig: outputmakefile $(BUILD_DIR)/.br2-external.in
  690. $(BUILD_DIR)/buildroot-config/%onf:
  691. mkdir -p $(@D)/lxdialog
  692. PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
  693. obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
  694. DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
  695. # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
  696. # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
  697. COMMON_CONFIG_ENV = \
  698. BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
  699. KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
  700. KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
  701. KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
  702. BR2_CONFIG=$(BR2_CONFIG) \
  703. HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
  704. BUILD_DIR=$(BUILD_DIR) \
  705. SKIP_LEGACY=
  706. xconfig: $(BUILD_DIR)/buildroot-config/qconf prepare-kconfig
  707. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  708. gconfig: $(BUILD_DIR)/buildroot-config/gconf prepare-kconfig
  709. @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
  710. menuconfig: $(BUILD_DIR)/buildroot-config/mconf prepare-kconfig
  711. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  712. nconfig: $(BUILD_DIR)/buildroot-config/nconf prepare-kconfig
  713. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  714. config: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  715. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  716. # For the config targets that automatically select options, we pass
  717. # SKIP_LEGACY=y to disable the legacy options. However, in that case
  718. # no values are set for the legacy options so a subsequent oldconfig
  719. # will query them. Therefore, run an additional olddefconfig.
  720. oldconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  721. @$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
  722. randconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  723. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --randconfig $(CONFIG_CONFIG_IN)
  724. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  725. allyesconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  726. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allyesconfig $(CONFIG_CONFIG_IN)
  727. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  728. allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  729. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allnoconfig $(CONFIG_CONFIG_IN)
  730. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  731. randpackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  732. @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  733. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  734. KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  735. $< --randconfig $(CONFIG_CONFIG_IN)
  736. @rm -f $(CONFIG_DIR)/.config.nopkg
  737. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  738. allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  739. @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  740. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  741. KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  742. $< --allyesconfig $(CONFIG_CONFIG_IN)
  743. @rm -f $(CONFIG_DIR)/.config.nopkg
  744. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  745. allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  746. @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  747. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  748. KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  749. $< --allnoconfig $(CONFIG_CONFIG_IN)
  750. @rm -f $(CONFIG_DIR)/.config.nopkg
  751. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  752. silentoldconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  753. $(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
  754. olddefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  755. $(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
  756. defconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  757. @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
  758. define percent_defconfig
  759. # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
  760. %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(1)/configs/%_defconfig prepare-kconfig
  761. @$$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(1)/configs/$$@ \
  762. $$< --defconfig=$(1)/configs/$$@ $$(CONFIG_CONFIG_IN)
  763. endef
  764. $(eval $(foreach d,$(call reverse,$(TOPDIR) $(BR2_EXTERNAL_DIRS)),$(call percent_defconfig,$(d))$(sep)))
  765. savedefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  766. @$(COMMON_CONFIG_ENV) $< \
  767. --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
  768. $(CONFIG_CONFIG_IN)
  769. @$(SED) '/BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
  770. .PHONY: defconfig savedefconfig
  771. ################################################################################
  772. #
  773. # Cleanup and misc junk
  774. #
  775. ################################################################################
  776. # outputmakefile generates a Makefile in the output directory, if using a
  777. # separate output directory. This allows convenient use of make in the
  778. # output directory.
  779. outputmakefile:
  780. ifeq ($(NEED_WRAPPER),y)
  781. $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
  782. endif
  783. # Even though the target is a real file, we mark it as PHONY as we
  784. # want it to be re-generated each time make is invoked, in case the
  785. # value of BR2_EXTERNAL is changed.
  786. .PHONY: $(BUILD_DIR)/.br2-external.in
  787. $(BUILD_DIR)/.br2-external.in: $(BUILD_DIR)
  788. $(Q)support/scripts/br2-external -k -o "$(@)" $(BR2_EXTERNAL)
  789. # printvars prints all the variables currently defined in our
  790. # Makefiles. Alternatively, if a non-empty VARS variable is passed,
  791. # only the variables matching the make pattern passed in VARS are
  792. # displayed.
  793. printvars:
  794. @$(foreach V, \
  795. $(sort $(if $(VARS),$(filter $(VARS),$(.VARIABLES)),$(.VARIABLES))), \
  796. $(if $(filter-out environment% default automatic, \
  797. $(origin $V)), \
  798. $(info $V=$($V) ($(value $V)))))
  799. clean:
  800. rm -rf $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
  801. $(BUILD_DIR) $(BASE_DIR)/staging \
  802. $(LEGAL_INFO_DIR) $(GRAPHS_DIR)
  803. distclean: clean
  804. ifeq ($(O),$(CURDIR)/output)
  805. rm -rf $(O)
  806. endif
  807. rm -rf $(TOPDIR)/dl $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
  808. $(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
  809. help:
  810. @echo 'Cleaning:'
  811. @echo ' clean - delete all files created by build'
  812. @echo ' distclean - delete all non-source files (including .config)'
  813. @echo
  814. @echo 'Build:'
  815. @echo ' all - make world'
  816. @echo ' toolchain - build toolchain'
  817. @echo
  818. @echo 'Configuration:'
  819. @echo ' menuconfig - interactive curses-based configurator'
  820. @echo ' nconfig - interactive ncurses-based configurator'
  821. @echo ' xconfig - interactive Qt-based configurator'
  822. @echo ' gconfig - interactive GTK-based configurator'
  823. @echo ' oldconfig - resolve any unresolved symbols in .config'
  824. @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
  825. @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their default value'
  826. @echo ' randconfig - New config with random answer to all options'
  827. @echo ' defconfig - New config with default answer to all options'
  828. @echo ' BR2_DEFCONFIG, if set, is used as input'
  829. @echo ' savedefconfig - Save current config to BR2_DEFCONFIG (minimal config)'
  830. @echo ' allyesconfig - New config where all options are accepted with yes'
  831. @echo ' allnoconfig - New config where all options are answered with no'
  832. @echo ' randpackageconfig - New config with random answer to package options'
  833. @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
  834. @echo ' allnopackageconfig - New config where package options are answered with no'
  835. @echo
  836. @echo 'Package-specific:'
  837. @echo ' <pkg> - Build and install <pkg> and all its dependencies'
  838. @echo ' <pkg>-source - Only download the source files for <pkg>'
  839. @echo ' <pkg>-extract - Extract <pkg> sources'
  840. @echo ' <pkg>-patch - Apply patches to <pkg>'
  841. @echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
  842. @echo ' <pkg>-configure - Build <pkg> up to the configure step'
  843. @echo ' <pkg>-build - Build <pkg> up to the build step'
  844. @echo ' <pkg>-show-depends - List packages on which <pkg> depends'
  845. @echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
  846. @echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
  847. @echo ' <pkg>-graph-rdepends - Generate a graph of <pkg>'\''s reverse dependencies'
  848. @echo ' <pkg>-dirclean - Remove <pkg> build directory'
  849. @echo ' <pkg>-reconfigure - Restart the build from the configure step'
  850. @echo ' <pkg>-rebuild - Restart the build from the build step'
  851. $(foreach p,$(HELP_PACKAGES), \
  852. @echo $(sep) \
  853. @echo '$($(p)_NAME):' $(sep) \
  854. $($(p)_HELP_CMDS)$(sep))
  855. @echo
  856. @echo 'Documentation:'
  857. @echo ' manual - build manual in all formats'
  858. @echo ' manual-html - build manual in HTML'
  859. @echo ' manual-split-html - build manual in split HTML'
  860. @echo ' manual-pdf - build manual in PDF'
  861. @echo ' manual-text - build manual in text'
  862. @echo ' manual-epub - build manual in ePub'
  863. @echo ' graph-build - generate graphs of the build times'
  864. @echo ' graph-depends - generate graph of the dependency tree'
  865. @echo ' graph-size - generate stats of the filesystem size'
  866. @echo ' list-defconfigs - list all defconfigs (pre-configured minimal systems)'
  867. @echo
  868. @echo 'Miscellaneous:'
  869. @echo ' source - download all sources needed for offline-build'
  870. @echo ' source-check - check selected packages for valid download URLs'
  871. @echo ' external-deps - list external packages used'
  872. @echo ' legal-info - generate info about license compliance'
  873. @echo
  874. @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
  875. @echo ' make O=dir - Locate all output files in "dir", including .config'
  876. @echo
  877. @echo 'For further details, see README, generate the Buildroot manual, or consult'
  878. @echo 'it on-line at http://buildroot.org/docs.html'
  879. @echo
  880. # List the defconfig files
  881. # $(1): base directory
  882. # $(2): br2-external name, empty for bundled
  883. define list-defconfigs
  884. @first=true; \
  885. for defconfig in $(1)/configs/*_defconfig; do \
  886. [ -f "$${defconfig}" ] || continue; \
  887. if $${first}; then \
  888. if [ "$(2)" ]; then \
  889. printf 'External configs in "$(call qstrip,$(2))":\n'; \
  890. else \
  891. printf "Built-in configs:\n"; \
  892. fi; \
  893. first=false; \
  894. fi; \
  895. defconfig="$${defconfig##*/}"; \
  896. printf " %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
  897. done; \
  898. $${first} || printf "\n"
  899. endef
  900. # We iterate over BR2_EXTERNAL_NAMES rather than BR2_EXTERNAL_DIRS,
  901. # because we want to display the name of the br2-external tree.
  902. list-defconfigs:
  903. $(call list-defconfigs,$(TOPDIR))
  904. $(foreach name,$(BR2_EXTERNAL_NAMES),\
  905. $(call list-defconfigs,$(BR2_EXTERNAL_$(name)_PATH),\
  906. $(BR2_EXTERNAL_$(name)_DESC))$(sep))
  907. release: OUT = buildroot-$(BR2_VERSION)
  908. # Create release tarballs. We need to fiddle a bit to add the generated
  909. # documentation to the git output
  910. release:
  911. git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
  912. $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
  913. $(MAKE) O=$(OUT) manual-clean
  914. tar rf $(OUT).tar $(OUT)
  915. gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
  916. bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
  917. rm -rf $(OUT) $(OUT).tar
  918. print-version:
  919. @echo $(BR2_VERSION_FULL)
  920. include docs/manual/manual.mk
  921. -include $(foreach dir,$(BR2_EXTERNAL_DIRS),$(sort $(wildcard $(dir)/docs/*/*.mk)))
  922. .PHONY: $(noconfig_targets)
  923. endif #umask / $(CURDIR) / $(O)