Makefile 43 KB

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  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) 2014-2019 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 $(O))
  56. # gcc fails to build when the srcdir contains a '@'
  57. ifneq ($(findstring @,$(CANONICAL_O)),)
  58. $(error The build directory can not contain a '@')
  59. endif
  60. CANONICAL_CURDIR = $(realpath $(CURDIR))
  61. REQ_UMASK = 0022
  62. # Make sure O= is passed (with its absolute canonical path) everywhere the
  63. # toplevel makefile is called back.
  64. EXTRAMAKEARGS := O=$(CANONICAL_O)
  65. # Check Buildroot execution pre-requisites here.
  66. ifneq ($(shell umask):$(CURDIR):$(O),$(REQ_UMASK):$(CANONICAL_CURDIR):$(CANONICAL_O))
  67. .PHONY: _all $(MAKECMDGOALS)
  68. $(MAKECMDGOALS): _all
  69. @:
  70. _all:
  71. @umask $(REQ_UMASK) && \
  72. $(MAKE) -C $(CANONICAL_CURDIR) --no-print-directory \
  73. $(MAKECMDGOALS) $(EXTRAMAKEARGS)
  74. else # umask / $(CURDIR) / $(O)
  75. # This is our default rule, so must come first
  76. all:
  77. .PHONY: all
  78. # Set and export the version string
  79. export BR2_VERSION := 2019.05-git
  80. # Actual time the release is cut (for reproducible builds)
  81. BR2_VERSION_EPOCH = 1551735000
  82. # Save running make version since it's clobbered by the make package
  83. RUNNING_MAKE_VERSION := $(MAKE_VERSION)
  84. # Check for minimal make version (note: this check will break at make 10.x)
  85. MIN_MAKE_VERSION = 3.81
  86. ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
  87. $(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
  88. endif
  89. # absolute path
  90. TOPDIR := $(CURDIR)
  91. CONFIG_CONFIG_IN = Config.in
  92. CONFIG = support/kconfig
  93. DATE := $(shell date +%Y%m%d)
  94. # Compute the full local version string so packages can use it as-is
  95. # Need to export it, so it can be got from environment in children (eg. mconf)
  96. export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
  97. # List of targets and target patterns for which .config doesn't need to be read in
  98. noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
  99. defconfig %_defconfig allyesconfig allnoconfig alldefconfig syncconfig release \
  100. randpackageconfig allyespackageconfig allnopackageconfig \
  101. print-version olddefconfig distclean manual manual-% check-package
  102. # Some global targets do not trigger a build, but are used to collect
  103. # metadata, or do various checks. When such targets are triggered,
  104. # some packages should not do their configuration sanity
  105. # checks. Provide them a BR_BUILDING variable set to 'y' when we're
  106. # actually building and they should do their sanity checks.
  107. #
  108. # We're building in two situations: when MAKECMDGOALS is empty
  109. # (default target is to build), or when MAKECMDGOALS contains
  110. # something else than one of the nobuild_targets.
  111. nobuild_targets := source %-source \
  112. legal-info %-legal-info external-deps _external-deps \
  113. clean distclean help show-targets graph-depends \
  114. %-graph-depends %-show-depends %-show-version \
  115. graph-build graph-size list-defconfigs \
  116. savedefconfig update-defconfig printvars
  117. ifeq ($(MAKECMDGOALS),)
  118. BR_BUILDING = y
  119. else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
  120. BR_BUILDING = y
  121. endif
  122. # We call make recursively to build packages. The command-line overrides that
  123. # are passed to Buildroot don't apply to those package build systems. In
  124. # particular, we don't want to pass down the O=<dir> option for out-of-tree
  125. # builds, because the value specified on the command line will not be correct
  126. # for packages.
  127. MAKEOVERRIDES :=
  128. # Include some helper macros and variables
  129. include support/misc/utils.mk
  130. # Set variables related to in-tree or out-of-tree build.
  131. # Here, both $(O) and $(CURDIR) are absolute canonical paths.
  132. ifeq ($(O),$(CURDIR)/output)
  133. CONFIG_DIR := $(CURDIR)
  134. NEED_WRAPPER =
  135. else
  136. CONFIG_DIR := $(O)
  137. NEED_WRAPPER = y
  138. endif
  139. # bash prints the name of the directory on 'cd <dir>' if CDPATH is
  140. # set, so unset it here to not cause problems. Notice that the export
  141. # line doesn't affect the environment of $(shell ..) calls.
  142. export CDPATH :=
  143. BASE_DIR := $(CANONICAL_O)
  144. $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
  145. # Handling of BR2_EXTERNAL.
  146. #
  147. # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
  148. # The location of the external.mk makefile fragments is computed in that file.
  149. # On subsequent invocations of make, this file is read in. BR2_EXTERNAL can
  150. # still be overridden on the command line, therefore the file is re-created
  151. # every time make is run.
  152. BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external.mk
  153. -include $(BR2_EXTERNAL_FILE)
  154. $(shell support/scripts/br2-external \
  155. -m -o '$(BR2_EXTERNAL_FILE)' $(BR2_EXTERNAL))
  156. BR2_EXTERNAL_ERROR =
  157. include $(BR2_EXTERNAL_FILE)
  158. ifneq ($(BR2_EXTERNAL_ERROR),)
  159. $(error $(BR2_EXTERNAL_ERROR))
  160. endif
  161. # To make sure that the environment variable overrides the .config option,
  162. # set this before including .config.
  163. ifneq ($(BR2_DL_DIR),)
  164. DL_DIR := $(BR2_DL_DIR)
  165. endif
  166. ifneq ($(BR2_CCACHE_DIR),)
  167. BR_CACHE_DIR := $(BR2_CCACHE_DIR)
  168. endif
  169. # Need that early, before we scan packages
  170. # Avoids doing the $(or...) everytime
  171. BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
  172. BUILD_DIR := $(BASE_DIR)/build
  173. BINARIES_DIR := $(BASE_DIR)/images
  174. BASE_TARGET_DIR := $(BASE_DIR)/target
  175. # initial definition so that 'make clean' works for most users, even without
  176. # .config. HOST_DIR will be overwritten later when .config is included.
  177. HOST_DIR := $(BASE_DIR)/host
  178. GRAPHS_DIR := $(BASE_DIR)/graphs
  179. LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
  180. REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
  181. REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
  182. LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
  183. LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
  184. LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
  185. LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
  186. LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
  187. LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
  188. BR2_CONFIG = $(CONFIG_DIR)/.config
  189. # Pull in the user's configuration file
  190. ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
  191. -include $(BR2_CONFIG)
  192. endif
  193. # Parallel execution of this Makefile is disabled because it changes
  194. # the packages building order, that can be a problem for two reasons:
  195. # - If a package has an unspecified optional dependency and that
  196. # dependency is present when the package is built, it is used,
  197. # otherwise it isn't (but compilation happily proceeds) so the end
  198. # result will differ if the order is swapped due to parallel
  199. # building.
  200. # - Also changing the building order can be a problem if two packages
  201. # manipulate the same file in the target directory.
  202. #
  203. # Taking into account the above considerations, if you still want to execute
  204. # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
  205. # use the -j<jobs> option when building, e.g:
  206. # make -j$((`getconf _NPROCESSORS_ONLN`+1))
  207. .NOTPARALLEL:
  208. # timezone and locale may affect build output
  209. ifeq ($(BR2_REPRODUCIBLE),y)
  210. export TZ = UTC
  211. export LANG = C
  212. export LC_ALL = C
  213. export GZIP = -n
  214. endif
  215. # To put more focus on warnings, be less verbose as default
  216. # Use 'make V=1' to see the full commands
  217. ifeq ("$(origin V)", "command line")
  218. KBUILD_VERBOSE = $(V)
  219. endif
  220. ifndef KBUILD_VERBOSE
  221. KBUILD_VERBOSE = 0
  222. endif
  223. ifeq ($(KBUILD_VERBOSE),1)
  224. Q =
  225. ifndef VERBOSE
  226. VERBOSE = 1
  227. endif
  228. export VERBOSE
  229. else
  230. Q = @
  231. endif
  232. # kconfig uses CONFIG_SHELL
  233. CONFIG_SHELL := $(SHELL)
  234. export SHELL CONFIG_SHELL Q KBUILD_VERBOSE
  235. ifndef HOSTAR
  236. HOSTAR := ar
  237. endif
  238. ifndef HOSTAS
  239. HOSTAS := as
  240. endif
  241. ifndef HOSTCC
  242. HOSTCC := gcc
  243. HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
  244. endif
  245. HOSTCC_NOCCACHE := $(HOSTCC)
  246. ifndef HOSTCXX
  247. HOSTCXX := g++
  248. HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
  249. endif
  250. HOSTCXX_NOCCACHE := $(HOSTCXX)
  251. ifndef HOSTCPP
  252. HOSTCPP := cpp
  253. endif
  254. ifndef HOSTLD
  255. HOSTLD := ld
  256. endif
  257. ifndef HOSTLN
  258. HOSTLN := ln
  259. endif
  260. ifndef HOSTNM
  261. HOSTNM := nm
  262. endif
  263. ifndef HOSTOBJCOPY
  264. HOSTOBJCOPY := objcopy
  265. endif
  266. ifndef HOSTRANLIB
  267. HOSTRANLIB := ranlib
  268. endif
  269. HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
  270. HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
  271. HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
  272. HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
  273. HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
  274. HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
  275. HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
  276. HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
  277. SED := $(shell which sed || type -p sed) -i -e
  278. export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
  279. export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
  280. # Determine the userland we are running on.
  281. #
  282. # Note that, despite its name, we are not interested in the actual
  283. # architecture name. This is mostly used to determine whether some
  284. # of the binary tools (e.g. pre-built external toolchains) can run
  285. # on the current host. So we need to know if the userland we're
  286. # running on can actually run those toolchains.
  287. #
  288. # For example, a 64-bit prebuilt toolchain will not run on a 64-bit
  289. # kernel if the userland is 32-bit (e.g. in a chroot for example).
  290. #
  291. # So, we extract the first part of the tuple the host gcc was
  292. # configured to generate code for; we assume this is our userland.
  293. #
  294. export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
  295. sed -e '/^Target: \([^-]*\).*/!d' \
  296. -e 's//\1/' \
  297. -e 's/i.86/x86/' \
  298. -e 's/sun4u/sparc64/' \
  299. -e 's/arm.*/arm/' \
  300. -e 's/sa110/arm/' \
  301. -e 's/ppc64/powerpc64/' \
  302. -e 's/ppc/powerpc/' \
  303. -e 's/macppc/powerpc/' \
  304. -e 's/sh.*/sh/' )
  305. # When adding a new host gcc version in Config.in,
  306. # update the HOSTCC_MAX_VERSION variable:
  307. HOSTCC_MAX_VERSION := 8
  308. HOSTCC_VERSION := $(shell V=$$($(HOSTCC_NOCCACHE) --version | \
  309. sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p'); \
  310. [ "$${V%% *}" -le $(HOSTCC_MAX_VERSION) ] || V=$(HOSTCC_MAX_VERSION); \
  311. printf "%s" "$${V}")
  312. # For gcc >= 5.x, we only need the major version.
  313. ifneq ($(firstword $(HOSTCC_VERSION)),4)
  314. HOSTCC_VERSION := $(firstword $(HOSTCC_VERSION))
  315. endif
  316. ifeq ($(BR2_NEEDS_HOST_UTF8_LOCALE),y)
  317. # First, we try to use the user's configured locale (as that's the
  318. # language they'd expect messages to be displayed), then we favour
  319. # a non language-specific locale like C.UTF-8 if one is available,
  320. # so we sort with the C locale to get it at the top.
  321. # This is guaranteed to not be empty, because of the check in
  322. # support/dependencies/dependencies.sh
  323. HOST_UTF8_LOCALE := $(shell \
  324. ( echo $${LC_ALL:-$${LC_MESSAGES:-$${LANG}}}; \
  325. locale -a 2>/dev/null | LC_ALL=C sort \
  326. ) \
  327. | grep -i -E 'utf-?8$$' \
  328. | head -n 1)
  329. HOST_UTF8_LOCALE_ENV := LC_ALL=$(HOST_UTF8_LOCALE)
  330. endif
  331. # Make sure pkg-config doesn't look outside the buildroot tree
  332. HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
  333. unexport PKG_CONFIG_PATH
  334. unexport PKG_CONFIG_SYSROOT_DIR
  335. unexport PKG_CONFIG_LIBDIR
  336. # Having DESTDIR set in the environment confuses the installation
  337. # steps of some packages.
  338. unexport DESTDIR
  339. # Causes breakage with packages that needs host-ruby
  340. unexport RUBYOPT
  341. include package/pkg-utils.mk
  342. include package/doc-asciidoc.mk
  343. ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  344. ################################################################################
  345. #
  346. # Hide troublesome environment variables from sub processes
  347. #
  348. ################################################################################
  349. unexport CROSS_COMPILE
  350. unexport ARCH
  351. unexport CC
  352. unexport LD
  353. unexport AR
  354. unexport CXX
  355. unexport CPP
  356. unexport RANLIB
  357. unexport CFLAGS
  358. unexport CXXFLAGS
  359. unexport GREP_OPTIONS
  360. unexport TAR_OPTIONS
  361. unexport CONFIG_SITE
  362. unexport QMAKESPEC
  363. unexport TERMINFO
  364. unexport MACHINE
  365. unexport O
  366. unexport GCC_COLORS
  367. unexport PLATFORM
  368. unexport OS
  369. GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
  370. PACKAGES :=
  371. PACKAGES_ALL :=
  372. # silent mode requested?
  373. QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
  374. # Strip off the annoying quoting
  375. ARCH := $(call qstrip,$(BR2_ARCH))
  376. KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
  377. -e s/i.86/i386/ -e s/sun4u/sparc64/ \
  378. -e s/arcle/arc/ \
  379. -e s/arceb/arc/ \
  380. -e s/arm.*/arm/ -e s/sa110/arm/ \
  381. -e s/aarch64.*/arm64/ \
  382. -e s/or1k/openrisc/ \
  383. -e s/parisc64/parisc/ \
  384. -e s/powerpc64.*/powerpc/ \
  385. -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
  386. -e s/riscv.*/riscv/ \
  387. -e s/sh.*/sh/ \
  388. -e s/microblazeel/microblaze/)
  389. ZCAT := $(call qstrip,$(BR2_ZCAT))
  390. BZCAT := $(call qstrip,$(BR2_BZCAT))
  391. XZCAT := $(call qstrip,$(BR2_XZCAT))
  392. LZCAT := $(call qstrip,$(BR2_LZCAT))
  393. TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
  394. # packages compiled for the host go here
  395. HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
  396. # The target directory is common to all packages,
  397. # but there is one that is specific to each filesystem.
  398. TARGET_DIR = $(if $(ROOTFS),$(ROOTFS_$(ROOTFS)_TARGET_DIR),$(BASE_TARGET_DIR))
  399. ifneq ($(HOST_DIR),$(BASE_DIR)/host)
  400. HOST_DIR_SYMLINK = $(BASE_DIR)/host
  401. $(HOST_DIR_SYMLINK): $(BASE_DIR)
  402. ln -snf $(HOST_DIR) $(BASE_DIR)/host
  403. endif
  404. # Quotes are needed for spaces and all in the original PATH content.
  405. BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(PATH)"
  406. # Location of a file giving a big fat warning that output/target
  407. # should not be used as the root filesystem.
  408. TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
  409. ifeq ($(BR2_CCACHE),y)
  410. CCACHE = $(HOST_DIR)/bin/ccache
  411. BR_CACHE_DIR ?= $(call qstrip,$(BR2_CCACHE_DIR))
  412. export BR_CACHE_DIR
  413. HOSTCC = $(CCACHE) $(HOSTCC_NOCCACHE)
  414. HOSTCXX = $(CCACHE) $(HOSTCXX_NOCCACHE)
  415. else
  416. export BR_NO_CCACHE
  417. endif
  418. # Scripts in support/ or post-build scripts may need to reference
  419. # these locations, so export them so it is easier to use
  420. export BR2_CONFIG
  421. export BR2_REPRODUCIBLE
  422. export TARGET_DIR
  423. export STAGING_DIR
  424. export HOST_DIR
  425. export BINARIES_DIR
  426. export BASE_DIR
  427. ################################################################################
  428. #
  429. # You should probably leave this stuff alone unless you know
  430. # what you are doing.
  431. #
  432. ################################################################################
  433. all: world
  434. # Include legacy before the other things, because package .mk files
  435. # may rely on it.
  436. include Makefile.legacy
  437. include system/system.mk
  438. include package/Makefile.in
  439. # arch/arch.mk must be after package/Makefile.in because it may need to
  440. # complement variables defined therein, like BR_NO_CHECK_HASH_FOR.
  441. include arch/arch.mk
  442. include support/dependencies/dependencies.mk
  443. include $(sort $(wildcard toolchain/*.mk))
  444. include $(sort $(wildcard toolchain/*/*.mk))
  445. ifeq ($(BR2_REPRODUCIBLE),y)
  446. # If SOURCE_DATE_EPOCH has not been set then use the commit date, or the last
  447. # release date if the source tree is not within a Git repository.
  448. # See: https://reproducible-builds.org/specs/source-date-epoch/
  449. BR2_VERSION_GIT_EPOCH := $(shell $(GIT) log -1 --format=%at 2> /dev/null)
  450. export SOURCE_DATE_EPOCH ?= $(or $(BR2_VERSION_GIT_EPOCH),$(BR2_VERSION_EPOCH))
  451. endif
  452. # Include the package override file if one has been provided in the
  453. # configuration.
  454. PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
  455. ifneq ($(PACKAGE_OVERRIDE_FILE),)
  456. -include $(PACKAGE_OVERRIDE_FILE)
  457. endif
  458. include $(sort $(wildcard package/*/*.mk))
  459. include boot/common.mk
  460. include linux/linux.mk
  461. include fs/common.mk
  462. # If using a br2-external tree, the BR2_EXTERNAL_$(NAME)_PATH variables
  463. # are also present in the .config file. Since .config is included after
  464. # we defined them in the Makefile, the values for those variables are
  465. # quoted. We just include the generated Makefile fragment .br2-external.mk
  466. # a third time, which will set those variables to the un-quoted values.
  467. include $(BR2_EXTERNAL_FILE)
  468. # Nothing to include if no BR2_EXTERNAL tree in use
  469. include $(BR2_EXTERNAL_MKS)
  470. # Now we are sure we have all the packages scanned and defined. We now
  471. # check for each package in the list of enabled packages, that all its
  472. # dependencies are indeed enabled.
  473. #
  474. # Only trigger the check for default builds. If the user forces building
  475. # a package, even if not enabled in the configuration, we want to accept
  476. # it. However; we also want to be able to force checking the dependencies
  477. # if the user so desires. Forcing a dependency check is useful in the case
  478. # of test-pkg, as we want to make sure during testing, that a package has
  479. # all the dependencies selected in the config file.
  480. #
  481. ifeq ($(MAKECMDGOALS),)
  482. BR_FORCE_CHECK_DEPENDENCIES = YES
  483. endif
  484. ifeq ($(BR_FORCE_CHECK_DEPENDENCIES),YES)
  485. define CHECK_ONE_DEPENDENCY
  486. ifeq ($$($(2)_TYPE),target)
  487. ifeq ($$($(2)_IS_VIRTUAL),)
  488. ifneq ($$($$($(2)_KCONFIG_VAR)),y)
  489. $$(error $$($(2)_NAME) is in the dependency chain of $$($(1)_NAME) that \
  490. has added it to its _DEPENDENCIES variable without selecting it or \
  491. depending on it from Config.in)
  492. endif
  493. endif
  494. endif
  495. endef
  496. $(foreach pkg,$(call UPPERCASE,$(PACKAGES)),\
  497. $(foreach dep,$(call UPPERCASE,$($(pkg)_FINAL_ALL_DEPENDENCIES)),\
  498. $(eval $(call CHECK_ONE_DEPENDENCY,$(pkg),$(dep))$(sep))))
  499. endif
  500. $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
  501. $(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" syncconfig
  502. .PHONY: prepare
  503. prepare: $(BUILD_DIR)/buildroot-config/auto.conf
  504. .PHONY: world
  505. world: target-post-image
  506. .PHONY: prepare-sdk
  507. prepare-sdk: world
  508. @$(call MESSAGE,"Rendering the SDK relocatable")
  509. $(TOPDIR)/support/scripts/fix-rpath host
  510. $(TOPDIR)/support/scripts/fix-rpath staging
  511. $(INSTALL) -m 755 $(TOPDIR)/support/misc/relocate-sdk.sh $(HOST_DIR)/relocate-sdk.sh
  512. mkdir -p $(HOST_DIR)/share/buildroot
  513. echo $(HOST_DIR) > $(HOST_DIR)/share/buildroot/sdk-location
  514. BR2_SDK_PREFIX ?= $(GNU_TARGET_NAME)_sdk-buildroot
  515. .PHONY: sdk
  516. sdk: prepare-sdk $(BR2_TAR_HOST_DEPENDENCY)
  517. @$(call MESSAGE,"Generating SDK tarball")
  518. $(if $(BR2_SDK_PREFIX),,$(error BR2_SDK_PREFIX can not be empty))
  519. $(Q)mkdir -p $(BINARIES_DIR)
  520. $(TAR) czf "$(BINARIES_DIR)/$(BR2_SDK_PREFIX).tar.gz" \
  521. --owner=0 --group=0 --numeric-owner \
  522. --transform='s#^$(patsubst /%,%,$(HOST_DIR))#$(BR2_SDK_PREFIX)#' \
  523. -C / $(patsubst /%,%,$(HOST_DIR))
  524. RSYNC_VCS_EXCLUSIONS = \
  525. --exclude .svn --exclude .git --exclude .hg --exclude .bzr \
  526. --exclude CVS
  527. # When stripping, obey to BR2_STRIP_EXCLUDE_DIRS and
  528. # BR2_STRIP_EXCLUDE_FILES
  529. STRIP_FIND_COMMON_CMD = \
  530. find $(TARGET_DIR) \
  531. $(if $(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)), \
  532. \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) \
  533. -prune -o \
  534. ) \
  535. $(if $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES)), \
  536. -not \( $(call findfileclauses,$(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) )
  537. # Regular stripping for everything, except libpthread, ld-*.so and
  538. # kernel modules:
  539. # - libpthread.so: a non-stripped libpthread shared library is needed for
  540. # proper debugging of pthread programs using gdb.
  541. # - ld.so: a non-stripped dynamic linker library is needed for valgrind
  542. # - kernel modules (*.ko): do not function properly when stripped like normal
  543. # applications and libraries. Normally kernel modules are already excluded
  544. # by the executable permission check, so the explicit exclusion is only
  545. # done for kernel modules with incorrect permissions.
  546. STRIP_FIND_CMD = \
  547. $(STRIP_FIND_COMMON_CMD) \
  548. -type f \( -perm /111 -o -name '*.so*' \) \
  549. -not \( $(call findfileclauses,libpthread*.so* ld-*.so* *.ko) \) \
  550. -print0
  551. # Special stripping (only debugging symbols) for libpthread and ld-*.so.
  552. STRIP_FIND_SPECIAL_LIBS_CMD = \
  553. $(STRIP_FIND_COMMON_CMD) \
  554. \( -name 'ld-*.so*' -o -name 'libpthread*.so*' \) \
  555. -print0
  556. ifeq ($(BR2_ECLIPSE_REGISTER),y)
  557. define TOOLCHAIN_ECLIPSE_REGISTER
  558. ./support/scripts/eclipse-register-toolchain `readlink -f $(O)` \
  559. $(notdir $(TARGET_CROSS)) $(BR2_ARCH)
  560. endef
  561. TARGET_FINALIZE_HOOKS += TOOLCHAIN_ECLIPSE_REGISTER
  562. endif
  563. # Generate locale data. Basically, we call the localedef program
  564. # (built by the host-localedef package) for each locale. The input
  565. # data comes preferably from the toolchain, or if the toolchain does
  566. # not have them (Linaro toolchains), we use the ones available on the
  567. # host machine.
  568. ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
  569. GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
  570. ifneq ($(GLIBC_GENERATE_LOCALES),)
  571. PACKAGES += host-localedef
  572. define GENERATE_GLIBC_LOCALES
  573. $(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
  574. $(Q)for locale in $(GLIBC_GENERATE_LOCALES) ; do \
  575. inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
  576. charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
  577. if test -z "$${charmap}" ; then \
  578. charmap="UTF-8" ; \
  579. fi ; \
  580. echo "Generating locale $${inputfile}.$${charmap}" ; \
  581. I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
  582. $(HOST_DIR)/bin/localedef \
  583. --prefix=$(TARGET_DIR) \
  584. --$(call LOWERCASE,$(BR2_ENDIAN))-endian \
  585. -i $${inputfile} -f $${charmap} \
  586. $${locale} ; \
  587. done
  588. endef
  589. TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
  590. endif
  591. endif
  592. ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
  593. LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
  594. LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
  595. # This piece of junk does the following:
  596. # First collect the whitelist in a file.
  597. # Then go over all the locale dirs and for each subdir, check if it exists
  598. # in the whitelist file. If it doesn't, kill it.
  599. # Finally, specifically for X11, regenerate locale.dir from the whitelist.
  600. define PURGE_LOCALES
  601. rm -f $(LOCALE_WHITELIST)
  602. for i in $(LOCALE_NOPURGE) locale-archive; do echo $$i >> $(LOCALE_WHITELIST); done
  603. for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale)); \
  604. do \
  605. for langdir in $$dir/*; \
  606. do \
  607. if [ -e "$${langdir}" ]; \
  608. then \
  609. grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
  610. fi \
  611. done; \
  612. done
  613. if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
  614. then \
  615. for lang in $(LOCALE_NOPURGE); \
  616. do \
  617. if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
  618. then \
  619. echo "$$lang/XLC_LOCALE: $$lang"; \
  620. fi \
  621. done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
  622. fi
  623. endef
  624. TARGET_FINALIZE_HOOKS += PURGE_LOCALES
  625. endif
  626. $(TARGETS_ROOTFS): target-finalize
  627. # Avoid the rootfs name leaking down the dependency chain
  628. target-finalize: ROOTFS=
  629. host-finalize: $(HOST_DIR_SYMLINK)
  630. .PHONY: staging-finalize
  631. staging-finalize:
  632. @ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
  633. .PHONY: target-finalize
  634. target-finalize: $(PACKAGES) host-finalize
  635. @$(call MESSAGE,"Finalizing target directory")
  636. # Check files that are touched by more than one package
  637. ./support/scripts/check-uniq-files -t target $(BUILD_DIR)/packages-file-list.txt
  638. ./support/scripts/check-uniq-files -t staging $(BUILD_DIR)/packages-file-list-staging.txt
  639. ./support/scripts/check-uniq-files -t host $(BUILD_DIR)/packages-file-list-host.txt
  640. $(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
  641. rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
  642. $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
  643. $(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
  644. find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
  645. find $(TARGET_DIR)/lib/ $(TARGET_DIR)/usr/lib/ $(TARGET_DIR)/usr/libexec/ \
  646. \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
  647. ifneq ($(BR2_PACKAGE_GDB),y)
  648. rm -rf $(TARGET_DIR)/usr/share/gdb
  649. endif
  650. ifneq ($(BR2_PACKAGE_BASH),y)
  651. rm -rf $(TARGET_DIR)/usr/share/bash-completion
  652. endif
  653. ifneq ($(BR2_PACKAGE_ZSH),y)
  654. rm -rf $(TARGET_DIR)/usr/share/zsh
  655. endif
  656. rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
  657. rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
  658. rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
  659. rm -rf $(TARGET_DIR)/usr/share/gtk-doc
  660. rmdir $(TARGET_DIR)/usr/share 2>/dev/null || true
  661. $(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
  662. $(STRIP_FIND_SPECIAL_LIBS_CMD) | xargs -0 -r $(STRIPCMD) $(STRIP_STRIP_DEBUG) 2>/dev/null || true
  663. test -f $(TARGET_DIR)/etc/ld.so.conf && \
  664. { echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true
  665. test -d $(TARGET_DIR)/etc/ld.so.conf.d && \
  666. { echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true
  667. mkdir -p $(TARGET_DIR)/etc
  668. ( \
  669. echo "NAME=Buildroot"; \
  670. echo "VERSION=$(BR2_VERSION_FULL)"; \
  671. echo "ID=buildroot"; \
  672. echo "VERSION_ID=$(BR2_VERSION)"; \
  673. echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
  674. ) > $(TARGET_DIR)/usr/lib/os-release
  675. ln -sf ../usr/lib/os-release $(TARGET_DIR)/etc
  676. @$(call MESSAGE,"Sanitizing RPATH in target tree")
  677. $(TOPDIR)/support/scripts/fix-rpath target
  678. # For a merged /usr, ensure that /lib, /bin and /sbin and their /usr
  679. # counterparts are appropriately setup as symlinks ones to the others.
  680. ifeq ($(BR2_ROOTFS_MERGED_USR),y)
  681. @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
  682. $(call MESSAGE,"Sanity check in overlay $(d)"); \
  683. not_merged_dirs="$$(support/scripts/check-merged-usr.sh $(d))"; \
  684. test -n "$$not_merged_dirs" && { \
  685. echo "ERROR: The overlay in $(d) is not" \
  686. "using a merged /usr for the following directories:" \
  687. $$not_merged_dirs; \
  688. exit 1; \
  689. } || true$(sep))
  690. endif # merged /usr
  691. @$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
  692. $(call MESSAGE,"Copying overlay $(d)"); \
  693. $(call SYSTEM_RSYNC,$(d),$(TARGET_DIR))$(sep))
  694. @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
  695. $(call MESSAGE,"Executing post-build script $(s)"); \
  696. $(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  697. touch $(TARGET_DIR)/usr
  698. .PHONY: target-post-image
  699. target-post-image: $(TARGETS_ROOTFS) target-finalize staging-finalize
  700. @rm -f $(ROOTFS_COMMON_TAR)
  701. @$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
  702. $(call MESSAGE,"Executing post-image script $(s)"); \
  703. $(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  704. .PHONY: source
  705. source: $(foreach p,$(PACKAGES),$(p)-all-source)
  706. .PHONY: _external-deps external-deps
  707. _external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
  708. external-deps:
  709. @$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
  710. .PHONY: legal-info-clean
  711. legal-info-clean:
  712. @rm -fr $(LEGAL_INFO_DIR)
  713. .PHONY: legal-info-prepare
  714. legal-info-prepare: $(LEGAL_INFO_DIR)
  715. @$(call MESSAGE,"Buildroot $(BR2_VERSION_FULL) Collecting legal info")
  716. @$(call legal-license-file,buildroot,buildroot,support/legal-info/buildroot.hash,COPYING,COPYING,HOST)
  717. @$(call legal-manifest,TARGET,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
  718. @$(call legal-manifest,HOST,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,DEPENDENCIES WITH LICENSES)
  719. @$(call legal-manifest,HOST,buildroot,$(BR2_VERSION_FULL),GPL-2.0+,COPYING,not saved,not saved)
  720. @$(call legal-warning,the Buildroot source code has not been saved)
  721. @cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
  722. .PHONY: legal-info
  723. legal-info: legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
  724. $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
  725. @cat support/legal-info/README.header >>$(LEGAL_REPORT)
  726. @if [ -r $(LEGAL_WARNINGS) ]; then \
  727. cat support/legal-info/README.warnings-header \
  728. $(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
  729. cat $(LEGAL_WARNINGS); fi
  730. @rm -f $(LEGAL_WARNINGS)
  731. @(cd $(LEGAL_INFO_DIR); \
  732. find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
  733. >.legal-info.sha256; \
  734. mv .legal-info.sha256 legal-info.sha256)
  735. @echo "Legal info produced in $(LEGAL_INFO_DIR)"
  736. .PHONY: show-targets
  737. show-targets:
  738. @echo $(sort $(PACKAGES)) $(sort $(TARGETS_ROOTFS))
  739. .PHONY: show-build-order
  740. show-build-order: $(patsubst %,%-show-build-order,$(PACKAGES))
  741. .PHONY: graph-build
  742. graph-build: $(O)/build/build-time.log
  743. @install -d $(GRAPHS_DIR)
  744. $(foreach o,name build duration,./support/scripts/graph-build-time \
  745. --type=histogram --order=$(o) --input=$(<) \
  746. --output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
  747. $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  748. $(foreach t,packages steps,./support/scripts/graph-build-time \
  749. --type=pie-$(t) --input=$(<) \
  750. --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
  751. $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  752. .PHONY: graph-depends-requirements
  753. graph-depends-requirements:
  754. @dot -? >/dev/null 2>&1 || \
  755. { echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
  756. .PHONY: show-dependency-tree
  757. show-dependency-tree: $(patsubst %,%-show-dependency-tree,$(PACKAGES) $(TARGETS_ROOTFS))
  758. @:
  759. .PHONY: graph-depends
  760. graph-depends: graph-depends-requirements
  761. @$(INSTALL) -d $(GRAPHS_DIR)
  762. @cd "$(CONFIG_DIR)"; \
  763. $(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
  764. --direct -o $(GRAPHS_DIR)/$(@).dot
  765. dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
  766. -o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
  767. $(GRAPHS_DIR)/$(@).dot
  768. .PHONY: graph-size
  769. graph-size:
  770. $(Q)mkdir -p $(GRAPHS_DIR)
  771. $(Q)$(TOPDIR)/support/scripts/size-stats --builddir $(BASE_DIR) \
  772. --graph $(GRAPHS_DIR)/graph-size.$(BR_GRAPH_OUT) \
  773. --file-size-csv $(GRAPHS_DIR)/file-size-stats.csv \
  774. --package-size-csv $(GRAPHS_DIR)/package-size-stats.csv
  775. .PHONY: check-dependencies
  776. check-dependencies:
  777. @cd "$(CONFIG_DIR)"; \
  778. $(TOPDIR)/support/scripts/graph-depends -C
  779. else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  780. # Some subdirectories are also package names. To avoid that "make linux"
  781. # on an unconfigured tree produces "Nothing to be done", add an explicit
  782. # rule for it.
  783. # Also for 'all' we error out and ask the user to configure first.
  784. .PHONY: linux toolchain
  785. linux toolchain all: outputmakefile
  786. $(error Please configure Buildroot first (e.g. "make menuconfig"))
  787. @exit 1
  788. endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  789. # configuration
  790. # ---------------------------------------------------------------------------
  791. HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
  792. export HOSTCFLAGS
  793. .PHONY: prepare-kconfig
  794. prepare-kconfig: outputmakefile $(BUILD_DIR)/.br2-external.in
  795. $(BUILD_DIR)/buildroot-config/%onf:
  796. mkdir -p $(@D)/lxdialog
  797. PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
  798. obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
  799. DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
  800. # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
  801. # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
  802. COMMON_CONFIG_ENV = \
  803. BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
  804. KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
  805. KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
  806. KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
  807. BR2_CONFIG=$(BR2_CONFIG) \
  808. HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
  809. BUILD_DIR=$(BUILD_DIR) \
  810. SKIP_LEGACY=
  811. xconfig: $(BUILD_DIR)/buildroot-config/qconf prepare-kconfig
  812. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  813. gconfig: $(BUILD_DIR)/buildroot-config/gconf prepare-kconfig
  814. @$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
  815. menuconfig: $(BUILD_DIR)/buildroot-config/mconf prepare-kconfig
  816. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  817. nconfig: $(BUILD_DIR)/buildroot-config/nconf prepare-kconfig
  818. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  819. config: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  820. @$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  821. # For the config targets that automatically select options, we pass
  822. # SKIP_LEGACY=y to disable the legacy options. However, in that case
  823. # no values are set for the legacy options so a subsequent oldconfig
  824. # will query them. Therefore, run an additional olddefconfig.
  825. randconfig allyesconfig alldefconfig allnoconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  826. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --$@ $(CONFIG_CONFIG_IN)
  827. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  828. randpackageconfig allyespackageconfig allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  829. @grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  830. @$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  831. KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  832. $< --$(subst package,,$@) $(CONFIG_CONFIG_IN)
  833. @rm -f $(CONFIG_DIR)/.config.nopkg
  834. @$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  835. oldconfig syncconfig olddefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  836. @$(COMMON_CONFIG_ENV) $< --$@ $(CONFIG_CONFIG_IN)
  837. defconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  838. @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
  839. define percent_defconfig
  840. # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
  841. %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(1)/configs/%_defconfig prepare-kconfig
  842. @$$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(1)/configs/$$@ \
  843. $$< --defconfig=$(1)/configs/$$@ $$(CONFIG_CONFIG_IN)
  844. endef
  845. $(eval $(foreach d,$(call reverse,$(TOPDIR) $(BR2_EXTERNAL_DIRS)),$(call percent_defconfig,$(d))$(sep)))
  846. update-defconfig: savedefconfig
  847. savedefconfig: $(BUILD_DIR)/buildroot-config/conf prepare-kconfig
  848. @$(COMMON_CONFIG_ENV) $< \
  849. --savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
  850. $(CONFIG_CONFIG_IN)
  851. @$(SED) '/BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
  852. .PHONY: defconfig savedefconfig update-defconfig
  853. ################################################################################
  854. #
  855. # Cleanup and misc junk
  856. #
  857. ################################################################################
  858. # staging and target directories do NOT list these as
  859. # dependencies anywhere else
  860. $(BUILD_DIR) $(BASE_TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
  861. @mkdir -p $@
  862. # outputmakefile generates a Makefile in the output directory, if using a
  863. # separate output directory. This allows convenient use of make in the
  864. # output directory.
  865. .PHONY: outputmakefile
  866. outputmakefile:
  867. ifeq ($(NEED_WRAPPER),y)
  868. $(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
  869. endif
  870. # Even though the target is a real file, we mark it as PHONY as we
  871. # want it to be re-generated each time make is invoked, in case the
  872. # value of BR2_EXTERNAL is changed.
  873. .PHONY: $(BUILD_DIR)/.br2-external.in
  874. $(BUILD_DIR)/.br2-external.in: $(BUILD_DIR)
  875. $(Q)support/scripts/br2-external -k -o "$(@)" $(BR2_EXTERNAL)
  876. # printvars prints all the variables currently defined in our
  877. # Makefiles. Alternatively, if a non-empty VARS variable is passed,
  878. # only the variables matching the make pattern passed in VARS are
  879. # displayed.
  880. .PHONY: printvars
  881. printvars:
  882. @:
  883. $(foreach V, \
  884. $(sort $(filter $(VARS),$(.VARIABLES))), \
  885. $(if $(filter-out environment% default automatic, \
  886. $(origin $V)), \
  887. $(if $(QUOTED_VARS),\
  888. $(info $V='$(subst ','\'',$(if $(RAW_VARS),$(value $V),$($V)))'), \
  889. $(info $V=$(if $(RAW_VARS),$(value $V),$($V))))))
  890. # ' Syntax colouring...
  891. .PHONY: clean
  892. clean:
  893. rm -rf $(BASE_TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) $(HOST_DIR_SYMLINK) \
  894. $(BUILD_DIR) $(BASE_DIR)/staging \
  895. $(LEGAL_INFO_DIR) $(GRAPHS_DIR)
  896. .PHONY: distclean
  897. distclean: clean
  898. ifeq ($(O),$(CURDIR)/output)
  899. rm -rf $(O)
  900. endif
  901. rm -rf $(TOPDIR)/dl $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
  902. $(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
  903. .PHONY: help
  904. help:
  905. @echo 'Cleaning:'
  906. @echo ' clean - delete all files created by build'
  907. @echo ' distclean - delete all non-source files (including .config)'
  908. @echo
  909. @echo 'Build:'
  910. @echo ' all - make world'
  911. @echo ' toolchain - build toolchain'
  912. @echo ' sdk - build relocatable SDK'
  913. @echo
  914. @echo 'Configuration:'
  915. @echo ' menuconfig - interactive curses-based configurator'
  916. @echo ' nconfig - interactive ncurses-based configurator'
  917. @echo ' xconfig - interactive Qt-based configurator'
  918. @echo ' gconfig - interactive GTK-based configurator'
  919. @echo ' oldconfig - resolve any unresolved symbols in .config'
  920. @echo ' syncconfig - Same as oldconfig, but quietly, additionally update deps'
  921. @echo ' olddefconfig - Same as syncconfig but sets new symbols to their default value'
  922. @echo ' randconfig - New config with random answer to all options'
  923. @echo ' defconfig - New config with default answer to all options;'
  924. @echo ' BR2_DEFCONFIG, if set on the command line, is used as input'
  925. @echo ' savedefconfig - Save current config to BR2_DEFCONFIG (minimal config)'
  926. @echo ' update-defconfig - Same as savedefconfig'
  927. @echo ' allyesconfig - New config where all options are accepted with yes'
  928. @echo ' allnoconfig - New config where all options are answered with no'
  929. @echo ' alldefconfig - New config where all options are set to default'
  930. @echo ' randpackageconfig - New config with random answer to package options'
  931. @echo ' allyespackageconfig - New config where pkg options are accepted with yes'
  932. @echo ' allnopackageconfig - New config where package options are answered with no'
  933. @echo
  934. @echo 'Package-specific:'
  935. @echo ' <pkg> - Build and install <pkg> and all its dependencies'
  936. @echo ' <pkg>-source - Only download the source files for <pkg>'
  937. @echo ' <pkg>-extract - Extract <pkg> sources'
  938. @echo ' <pkg>-patch - Apply patches to <pkg>'
  939. @echo ' <pkg>-depends - Build <pkg>'\''s dependencies'
  940. @echo ' <pkg>-configure - Build <pkg> up to the configure step'
  941. @echo ' <pkg>-build - Build <pkg> up to the build step'
  942. @echo ' <pkg>-show-depends - List packages on which <pkg> depends'
  943. @echo ' <pkg>-show-rdepends - List packages which have <pkg> as a dependency'
  944. @echo ' <pkg>-show-recursive-depends'
  945. @echo ' - Recursively list packages on which <pkg> depends'
  946. @echo ' <pkg>-show-recursive-rdepends'
  947. @echo ' - Recursively list packages which have <pkg> as a dependency'
  948. @echo ' <pkg>-graph-depends - Generate a graph of <pkg>'\''s dependencies'
  949. @echo ' <pkg>-graph-rdepends - Generate a graph of <pkg>'\''s reverse dependencies'
  950. @echo ' <pkg>-dirclean - Remove <pkg> build directory'
  951. @echo ' <pkg>-reconfigure - Restart the build from the configure step'
  952. @echo ' <pkg>-rebuild - Restart the build from the build step'
  953. $(foreach p,$(HELP_PACKAGES), \
  954. @echo $(sep) \
  955. @echo '$($(p)_NAME):' $(sep) \
  956. $($(p)_HELP_CMDS)$(sep))
  957. @echo
  958. @echo 'Documentation:'
  959. @echo ' manual - build manual in all formats'
  960. @echo ' manual-html - build manual in HTML'
  961. @echo ' manual-split-html - build manual in split HTML'
  962. @echo ' manual-pdf - build manual in PDF'
  963. @echo ' manual-text - build manual in text'
  964. @echo ' manual-epub - build manual in ePub'
  965. @echo ' graph-build - generate graphs of the build times'
  966. @echo ' graph-depends - generate graph of the dependency tree'
  967. @echo ' graph-size - generate stats of the filesystem size'
  968. @echo ' list-defconfigs - list all defconfigs (pre-configured minimal systems)'
  969. @echo
  970. @echo 'Miscellaneous:'
  971. @echo ' source - download all sources needed for offline-build'
  972. @echo ' external-deps - list external packages used'
  973. @echo ' legal-info - generate info about license compliance'
  974. @echo ' printvars - dump internal variables selected with VARS=...'
  975. @echo
  976. @echo ' make V=0|1 - 0 => quiet build (default), 1 => verbose build'
  977. @echo ' make O=dir - Locate all output files in "dir", including .config'
  978. @echo
  979. @echo 'For further details, see README, generate the Buildroot manual, or consult'
  980. @echo 'it on-line at http://buildroot.org/docs.html'
  981. @echo
  982. # List the defconfig files
  983. # $(1): base directory
  984. # $(2): br2-external name, empty for bundled
  985. define list-defconfigs
  986. @first=true; \
  987. for defconfig in $(1)/configs/*_defconfig; do \
  988. [ -f "$${defconfig}" ] || continue; \
  989. if $${first}; then \
  990. if [ "$(2)" ]; then \
  991. printf 'External configs in "$(call qstrip,$(2))":\n'; \
  992. else \
  993. printf "Built-in configs:\n"; \
  994. fi; \
  995. first=false; \
  996. fi; \
  997. defconfig="$${defconfig##*/}"; \
  998. printf " %-35s - Build for %s\n" "$${defconfig}" "$${defconfig%_defconfig}"; \
  999. done; \
  1000. $${first} || printf "\n"
  1001. endef
  1002. # We iterate over BR2_EXTERNAL_NAMES rather than BR2_EXTERNAL_DIRS,
  1003. # because we want to display the name of the br2-external tree.
  1004. .PHONY: list-defconfigs
  1005. list-defconfigs:
  1006. $(call list-defconfigs,$(TOPDIR))
  1007. $(foreach name,$(BR2_EXTERNAL_NAMES),\
  1008. $(call list-defconfigs,$(BR2_EXTERNAL_$(name)_PATH),\
  1009. $(BR2_EXTERNAL_$(name)_DESC))$(sep))
  1010. release: OUT = buildroot-$(BR2_VERSION)
  1011. # Create release tarballs. We need to fiddle a bit to add the generated
  1012. # documentation to the git output
  1013. release:
  1014. git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
  1015. $(MAKE) O=$(OUT) manual-html manual-text manual-pdf
  1016. $(MAKE) O=$(OUT) clean
  1017. tar rf $(OUT).tar $(OUT)
  1018. gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
  1019. bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
  1020. rm -rf $(OUT) $(OUT).tar
  1021. print-version:
  1022. @echo $(BR2_VERSION_FULL)
  1023. check-package:
  1024. find $(TOPDIR) -type f \( -name '*.mk' -o -name '*.hash' -o -name 'Config.*' \) \
  1025. -exec ./utils/check-package {} +
  1026. .PHONY: .gitlab-ci.yml
  1027. .gitlab-ci.yml: .gitlab-ci.yml.in
  1028. ./support/scripts/generate-gitlab-ci-yml $< > $@
  1029. include docs/manual/manual.mk
  1030. -include $(foreach dir,$(BR2_EXTERNAL_DIRS),$(sort $(wildcard $(dir)/docs/*/*.mk)))
  1031. .PHONY: $(noconfig_targets)
  1032. endif #umask / $(CURDIR) / $(O)