# Makefile for buildroot
  #
  # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
  # Copyright (C) 2006-2014 by the Buildroot developers <buildroot@uclibc.org>
  # Copyright (C) 2014-2016 by the Buildroot developers <buildroot@buildroot.org>
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2 of the License, or
  # (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  # General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  #
  
  #--------------------------------------------------------------
  # Just run 'make menuconfig', configure stuff, then run 'make'.
  # You shouldn't need to mess with anything beyond this point...
  #--------------------------------------------------------------
  
  # we want bash as shell
  SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  	 else if [ -x /bin/bash ]; then echo /bin/bash; \
  	 else echo sh; fi; fi)
  
  # Trick for always running with a fixed umask
  UMASK = 0022
  ifneq ($(shell umask),$(UMASK))
  .PHONY: _all $(MAKECMDGOALS)
  
  $(MAKECMDGOALS): _all
  	@:
  
  _all:
  	@umask $(UMASK) && $(MAKE) --no-print-directory $(MAKECMDGOALS)
  
  else # umask
  
  # This is our default rule, so must come first
  all:
  
  # Set and export the version string
  export BR2_VERSION := 2016.08.1
  
  # Save running make version since it's clobbered by the make package
  RUNNING_MAKE_VERSION := $(MAKE_VERSION)
  
  # Check for minimal make version (note: this check will break at make 10.x)
  MIN_MAKE_VERSION = 3.81
  ifneq ($(firstword $(sort $(RUNNING_MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
  $(error You have make '$(RUNNING_MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
  endif
  
  # Parallel execution of this Makefile is disabled because it changes
  # the packages building order, that can be a problem for two reasons:
  # - If a package has an unspecified optional dependency and that
  #   dependency is present when the package is built, it is used,
  #   otherwise it isn't (but compilation happily proceeds) so the end
  #   result will differ if the order is swapped due to parallel
  #   building.
  # - Also changing the building order can be a problem if two packages
  #   manipulate the same file in the target directory.
  #
  # Taking into account the above considerations, if you still want to execute
  # this top-level Makefile in parallel comment the ".NOTPARALLEL" line and
  # use the -j<jobs> option when building, e.g:
  #      make -j$((`getconf _NPROCESSORS_ONLN`+1))
  .NOTPARALLEL:
  
  # absolute path
  TOPDIR := $(CURDIR)
  CONFIG_CONFIG_IN = Config.in
  CONFIG = support/kconfig
  DATE := $(shell date +%Y%m%d)
  
  # Compute the full local version string so packages can use it as-is
  # Need to export it, so it can be got from environment in children (eg. mconf)
  export BR2_VERSION_FULL := $(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)
  
  noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
  	defconfig %_defconfig allyesconfig allnoconfig silentoldconfig release \
  	randpackageconfig allyespackageconfig allnopackageconfig \
  	print-version olddefconfig
  
  # Some global targets do not trigger a build, but are used to collect
  # metadata, or do various checks. When such targets are triggered,
  # some packages should not do their configuration sanity
  # checks. Provide them a BR_BUILDING variable set to 'y' when we're
  # actually building and they should do their sanity checks.
  #
  # We're building in two situations: when MAKECMDGOALS is empty
  # (default target is to build), or when MAKECMDGOALS contains
  # something else than one of the nobuild_targets.
  nobuild_targets := source source-check \
  	legal-info external-deps _external-deps \
  	clean distclean help
  ifeq ($(MAKECMDGOALS),)
  BR_BUILDING = y
  else ifneq ($(filter-out $(nobuild_targets),$(MAKECMDGOALS)),)
  BR_BUILDING = y
  endif
  
  # Strip quotes and then whitespaces
  qstrip = $(strip $(subst ",,$(1)))
  #"))
  
  # Variables for use in Make constructs
  comma := ,
  empty :=
  space := $(empty) $(empty)
  
  ifneq ("$(origin O)", "command line")
  O := output
  CONFIG_DIR := $(TOPDIR)
  NEED_WRAPPER =
  else
  # other packages might also support Linux-style out of tree builds
  # with the O=<dir> syntax (E.G. BusyBox does). As make automatically
  # forwards command line variable definitions those packages get very
  # confused. Fix this by telling make to not do so
  MAKEOVERRIDES =
  # strangely enough O is still passed to submakes with MAKEOVERRIDES
  # (with make 3.81 atleast), the only thing that changes is the output
  # of the origin function (command line -> environment).
  # Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
  # To really make O go away, we have to override it.
  override O := $(O)
  CONFIG_DIR := $(O)
  # we need to pass O= everywhere we call back into the toplevel makefile
  EXTRAMAKEARGS = O=$(O)
  NEED_WRAPPER = y
  endif
  
  # bash prints the name of the directory on 'cd <dir>' if CDPATH is
  # set, so unset it here to not cause problems. Notice that the export
  # line doesn't affect the environment of $(shell ..) calls, so
  # explictly throw away any output from 'cd' here.
  export CDPATH :=
  BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
  $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
  
  
  # Handling of BR2_EXTERNAL.
  #
  # The value of BR2_EXTERNAL is stored in .br-external in the output directory.
  # On subsequent invocations of make, it is read in. It can still be overridden
  # on the command line, therefore the file is re-created every time make is run.
  #
  # When BR2_EXTERNAL is set to an empty value (e.g. explicitly in command
  # line), the .br-external file is removed and we point to
  # support/dummy-external. This makes sure we can unconditionally include the
  # Config.in and external.mk from the BR2_EXTERNAL directory. In this case,
  # override is necessary so the user can clear BR2_EXTERNAL from the command
  # line, but the dummy path is still used internally.
  
  BR2_EXTERNAL_FILE = $(BASE_DIR)/.br-external
  -include $(BR2_EXTERNAL_FILE)
  ifeq ($(BR2_EXTERNAL),)
    override BR2_EXTERNAL = support/dummy-external
    $(shell rm -f $(BR2_EXTERNAL_FILE))
  else
    _BR2_EXTERNAL = $(shell cd $(BR2_EXTERNAL) >/dev/null 2>&1 && pwd)
    ifeq ($(_BR2_EXTERNAL),)
      $(error BR2_EXTERNAL='$(BR2_EXTERNAL)' does not exist, relative to $(TOPDIR))
    endif
    override BR2_EXTERNAL := $(_BR2_EXTERNAL)
    $(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
  endif
  
  # To make sure that the environment variable overrides the .config option,
  # set this before including .config.
  ifneq ($(BR2_DL_DIR),)
  DL_DIR := $(BR2_DL_DIR)
  endif
  ifneq ($(BR2_CCACHE_DIR),)
  BR_CACHE_DIR := $(BR2_CCACHE_DIR)
  endif
  
  # Need that early, before we scan packages
  # Avoids doing the $(or...) everytime
  BR_GRAPH_OUT := $(or $(BR2_GRAPH_OUT),pdf)
  
  BUILD_DIR := $(BASE_DIR)/build
  BINARIES_DIR := $(BASE_DIR)/images
  TARGET_DIR := $(BASE_DIR)/target
  # initial definition so that 'make clean' works for most users, even without
  # .config. HOST_DIR will be overwritten later when .config is included.
  HOST_DIR := $(BASE_DIR)/host
  GRAPHS_DIR := $(BASE_DIR)/graphs
  
  LEGAL_INFO_DIR = $(BASE_DIR)/legal-info
  REDIST_SOURCES_DIR_TARGET = $(LEGAL_INFO_DIR)/sources
  REDIST_SOURCES_DIR_HOST = $(LEGAL_INFO_DIR)/host-sources
  LICENSE_FILES_DIR_TARGET = $(LEGAL_INFO_DIR)/licenses
  LICENSE_FILES_DIR_HOST = $(LEGAL_INFO_DIR)/host-licenses
  LEGAL_MANIFEST_CSV_TARGET = $(LEGAL_INFO_DIR)/manifest.csv
  LEGAL_MANIFEST_CSV_HOST = $(LEGAL_INFO_DIR)/host-manifest.csv
  LEGAL_LICENSES_TXT_TARGET = $(LEGAL_INFO_DIR)/licenses.txt
  LEGAL_LICENSES_TXT_HOST = $(LEGAL_INFO_DIR)/host-licenses.txt
  LEGAL_WARNINGS = $(LEGAL_INFO_DIR)/.warnings
  LEGAL_REPORT = $(LEGAL_INFO_DIR)/README
  
  BR2_CONFIG = $(CONFIG_DIR)/.config
  
  # Pull in the user's configuration file
  ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
  -include $(BR2_CONFIG)
  endif
  
  # timezone and locale may affect build output
  ifeq ($(BR2_REPRODUCIBLE),y)
  export TZ=UTC
  export LANG=C
  export LC_ALL=C
  endif
  
  # To put more focus on warnings, be less verbose as default
  # Use 'make V=1' to see the full commands
  ifeq ("$(origin V)", "command line")
    KBUILD_VERBOSE = $(V)
  endif
  ifndef KBUILD_VERBOSE
    KBUILD_VERBOSE = 0
  endif
  
  ifeq ($(KBUILD_VERBOSE),1)
    Q =
  ifndef VERBOSE
    VERBOSE = 1
  endif
  export VERBOSE
  else
    Q = @
  endif
  
  # kconfig uses CONFIG_SHELL
  CONFIG_SHELL := $(SHELL)
  
  export SHELL CONFIG_SHELL Q KBUILD_VERBOSE
  
  ifndef HOSTAR
  HOSTAR := ar
  endif
  ifndef HOSTAS
  HOSTAS := as
  endif
  ifndef HOSTCC
  HOSTCC := gcc
  HOSTCC := $(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
  endif
  HOSTCC_NOCCACHE := $(HOSTCC)
  ifndef HOSTCXX
  HOSTCXX := g++
  HOSTCXX := $(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
  endif
  HOSTCXX_NOCCACHE := $(HOSTCXX)
  ifndef HOSTCPP
  HOSTCPP := cpp
  endif
  ifndef HOSTLD
  HOSTLD := ld
  endif
  ifndef HOSTLN
  HOSTLN := ln
  endif
  ifndef HOSTNM
  HOSTNM := nm
  endif
  ifndef HOSTOBJCOPY
  HOSTOBJCOPY := objcopy
  endif
  ifndef HOSTRANLIB
  HOSTRANLIB := ranlib
  endif
  HOSTAR := $(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
  HOSTAS := $(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
  HOSTCPP := $(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
  HOSTLD := $(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
  HOSTLN := $(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
  HOSTNM := $(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
  HOSTOBJCOPY := $(shell which $(HOSTOBJCOPY) || type -p $(HOSTOBJCOPY) || echo objcopy)
  HOSTRANLIB := $(shell which $(HOSTRANLIB) || type -p $(HOSTRANLIB) || echo ranlib)
  
  export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
  export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE
  
  # Determine the userland we are running on.
  #
  # Note that, despite its name, we are not interested in the actual
  # architecture name. This is mostly used to determine whether some
  # of the binary tools (e.g. pre-built external toolchains) can run
  # on the current host. So we need to know if the userland we're
  # running on can actually run those toolchains.
  #
  # For example, a 64-bit prebuilt toolchain will not run on a 64-bit
  # kernel if the userland is 32-bit (e.g. in a chroot for example).
  #
  # So, we extract the first part of the tuple the host gcc was
  # configured to generate code for; we assume this is our userland.
  #
  export HOSTARCH := $(shell LC_ALL=C $(HOSTCC_NOCCACHE) -v 2>&1 | \
  	sed -e '/^Target: \([^-]*\).*/!d' \
  	    -e 's//\1/' \
  	    -e 's/i.86/x86/' \
  	    -e 's/sun4u/sparc64/' \
  	    -e 's/arm.*/arm/' \
  	    -e 's/sa110/arm/' \
  	    -e 's/ppc64/powerpc64/' \
  	    -e 's/ppc/powerpc/' \
  	    -e 's/macppc/powerpc/' \
  	    -e 's/sh.*/sh/' )
  
  HOSTCC_VERSION := $(shell $(HOSTCC_NOCCACHE) --version | \
  	sed -n -r 's/^.* ([0-9]*)\.([0-9]*)\.([0-9]*)[ ]*.*/\1 \2/p')
  
  # For gcc >= 5.x, we only need the major version.
  ifneq ($(firstword $(HOSTCC_VERSION)),4)
  HOSTCC_VERSION := $(firstword $(HOSTCC_VERSION))
  endif
  
  # Make sure pkg-config doesn't look outside the buildroot tree
  HOST_PKG_CONFIG_PATH := $(PKG_CONFIG_PATH)
  unexport PKG_CONFIG_PATH
  unexport PKG_CONFIG_SYSROOT_DIR
  unexport PKG_CONFIG_LIBDIR
  
  # Having DESTDIR set in the environment confuses the installation
  # steps of some packages.
  unexport DESTDIR
  
  # Causes breakage with packages that needs host-ruby
  unexport RUBYOPT
  
  include package/pkg-utils.mk
  include package/doc-asciidoc.mk
  
  ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  
  ################################################################################
  #
  # Hide troublesome environment variables from sub processes
  #
  ################################################################################
  unexport CROSS_COMPILE
  unexport ARCH
  unexport CC
  unexport LD
  unexport AR
  unexport CXX
  unexport CPP
  unexport RANLIB
  unexport CFLAGS
  unexport CXXFLAGS
  unexport GREP_OPTIONS
  unexport TAR_OPTIONS
  unexport CONFIG_SITE
  unexport QMAKESPEC
  unexport TERMINFO
  unexport MACHINE
  unexport O
  
  GNU_HOST_NAME := $(shell support/gnuconfig/config.guess)
  
  PACKAGES :=
  PACKAGES_ALL :=
  
  # silent mode requested?
  QUIET := $(if $(findstring s,$(filter-out --%,$(MAKEFLAGS))),-q)
  
  # Strip off the annoying quoting
  ARCH := $(call qstrip,$(BR2_ARCH))
  
  KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \
  	-e s/i.86/i386/ -e s/sun4u/sparc64/ \
  	-e s/arcle/arc/ \
  	-e s/arceb/arc/ \
  	-e s/arm.*/arm/ -e s/sa110/arm/ \
  	-e s/aarch64.*/arm64/ \
  	-e s/bfin/blackfin/ \
  	-e s/parisc64/parisc/ \
  	-e s/powerpc64.*/powerpc/ \
  	-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
  	-e s/sh.*/sh/ \
  	-e s/microblazeel/microblaze/)
  
  ZCAT := $(call qstrip,$(BR2_ZCAT))
  BZCAT := $(call qstrip,$(BR2_BZCAT))
  XZCAT := $(call qstrip,$(BR2_XZCAT))
  TAR_OPTIONS = $(call qstrip,$(BR2_TAR_OPTIONS)) -xf
  
  # packages compiled for the host go here
  HOST_DIR := $(call qstrip,$(BR2_HOST_DIR))
  
  # Quotes are needed for spaces and all in the original PATH content.
  BR_PATH = "$(HOST_DIR)/bin:$(HOST_DIR)/sbin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin:$(PATH)"
  
  # Location of a file giving a big fat warning that output/target
  # should not be used as the root filesystem.
  TARGET_DIR_WARNING_FILE = $(TARGET_DIR)/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM
  
  ifeq ($(BR2_CCACHE),y)
  CCACHE := $(HOST_DIR)/usr/bin/ccache
  BR_CACHE_DIR ?= $(call qstrip,$(BR2_CCACHE_DIR))
  export BR_CACHE_DIR
  HOSTCC := $(CCACHE) $(HOSTCC)
  HOSTCXX := $(CCACHE) $(HOSTCXX)
  else
  export BR_NO_CCACHE
  endif
  
  # Scripts in support/ or post-build scripts may need to reference
  # these locations, so export them so it is easier to use
  export BR2_CONFIG
  export BR2_REPRODUCIBLE
  export TARGET_DIR
  export STAGING_DIR
  export HOST_DIR
  export BINARIES_DIR
  export BASE_DIR
  
  ################################################################################
  #
  # You should probably leave this stuff alone unless you know
  # what you are doing.
  #
  ################################################################################
  
  all: world
  
  # Include legacy before the other things, because package .mk files
  # may rely on it.
  ifneq ($(BR2_DEPRECATED),y)
  include Makefile.legacy
  endif
  
  include package/Makefile.in
  include support/dependencies/dependencies.mk
  
  include toolchain/*.mk
  include toolchain/*/*.mk
  
  # Include the package override file if one has been provided in the
  # configuration.
  PACKAGE_OVERRIDE_FILE = $(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
  ifneq ($(PACKAGE_OVERRIDE_FILE),)
  -include $(PACKAGE_OVERRIDE_FILE)
  endif
  
  include $(sort $(wildcard package/*/*.mk))
  
  include boot/common.mk
  include linux/linux.mk
  include fs/common.mk
  
  include $(BR2_EXTERNAL)/external.mk
  
  # Now we are sure we have all the packages scanned and defined. We now
  # check for each package in the list of enabled packages, that all its
  # dependencies are indeed enabled.
  #
  # Only trigger the check for default builds. If the user forces building
  # a package, even if not enabled in the configuration, we want to accept
  # it.
  #
  ifeq ($(MAKECMDGOALS),)
  
  define CHECK_ONE_DEPENDENCY
  ifeq ($$($(2)_TYPE),target)
  ifeq ($$($(2)_IS_VIRTUAL),)
  ifneq ($$($$($(2)_KCONFIG_VAR)),y)
  $$(error $$($(2)_NAME) is in the dependency chain of $$($(1)_NAME) that \
  has added it to its _DEPENDENCIES variable without selecting it or \
  depending on it from Config.in)
  endif
  endif
  endif
  endef
  
  $(foreach pkg,$(call UPPERCASE,$(PACKAGES)),\
  	$(foreach dep,$(call UPPERCASE,$($(pkg)_FINAL_ALL_DEPENDENCIES)),\
  		$(eval $(call CHECK_ONE_DEPENDENCY,$(pkg),$(dep))$(sep))))
  
  endif
  
  dirs: $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
  	$(HOST_DIR) $(BINARIES_DIR)
  
  $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
  	$(MAKE1) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig
  
  prepare: $(BUILD_DIR)/buildroot-config/auto.conf
  
  world: target-post-image
  
  .PHONY: all world toolchain dirs clean distclean source outputmakefile \
  	legal-info legal-info-prepare legal-info-clean printvars help \
  	list-defconfigs target-finalize target-post-image source-check
  
  ################################################################################
  #
  # staging and target directories do NOT list these as
  # dependencies anywhere else
  #
  ################################################################################
  $(BUILD_DIR) $(TARGET_DIR) $(HOST_DIR) $(BINARIES_DIR) $(LEGAL_INFO_DIR) $(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST):
  	@mkdir -p $@
  
  # Populating the staging with the base directories is handled by the skeleton package
  $(STAGING_DIR):
  	@mkdir -p $(STAGING_DIR)
  	@ln -snf $(STAGING_DIR) $(BASE_DIR)/staging
  
  RSYNC_VCS_EXCLUSIONS = \
  	--exclude .svn --exclude .git --exclude .hg --exclude .bzr \
  	--exclude CVS
  
  STRIP_FIND_CMD = find $(TARGET_DIR)
  ifneq (,$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS)))
  STRIP_FIND_CMD += \( $(call finddirclauses,$(TARGET_DIR),$(call qstrip,$(BR2_STRIP_EXCLUDE_DIRS))) \) -prune -o
  endif
  STRIP_FIND_CMD += -type f \( -perm /111 -o -name '*.so*' \)
  # file exclusions:
  # - libpthread.so: a non-stripped libpthread shared library is needed for
  #   proper debugging of pthread programs using gdb.
  # - ld.so: a non-stripped dynamic linker library is needed for valgrind
  # - kernel modules (*.ko): do not function properly when stripped like normal
  #   applications and libraries. Normally kernel modules are already excluded
  #   by the executable permission check above, so the explicit exclusion is only
  #   done for kernel modules with incorrect permissions.
  STRIP_FIND_CMD += -not \( $(call findfileclauses,libpthread*.so* ld-*.so* *.ko $(call qstrip,$(BR2_STRIP_EXCLUDE_FILES))) \) -print0
  
  ifeq ($(BR2_ECLIPSE_REGISTER),y)
  define TOOLCHAIN_ECLIPSE_REGISTER
  	./support/scripts/eclipse-register-toolchain `readlink -f $(O)` \
  		$(notdir $(TARGET_CROSS)) $(BR2_ARCH)
  endef
  TARGET_FINALIZE_HOOKS += TOOLCHAIN_ECLIPSE_REGISTER
  endif
  
  # Generate locale data. Basically, we call the localedef program
  # (built by the host-localedef package) for each locale. The input
  # data comes preferably from the toolchain, or if the toolchain does
  # not have them (Linaro toolchains), we use the ones available on the
  # host machine.
  ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
  GLIBC_GENERATE_LOCALES = $(call qstrip,$(BR2_GENERATE_LOCALE))
  ifneq ($(GLIBC_GENERATE_LOCALES),)
  PACKAGES += host-localedef
  
  define GENERATE_GLIBC_LOCALES
  	$(Q)mkdir -p $(TARGET_DIR)/usr/lib/locale/
  	$(Q)for locale in $(GLIBC_GENERATE_LOCALES) ; do \
  		inputfile=`echo $${locale} | cut -f1 -d'.'` ; \
  		charmap=`echo $${locale} | cut -f2 -d'.' -s` ; \
  		if test -z "$${charmap}" ; then \
  			charmap="UTF-8" ; \
  		fi ; \
  		echo "Generating locale $${inputfile}.$${charmap}" ; \
  		I18NPATH=$(STAGING_DIR)/usr/share/i18n:/usr/share/i18n \
  		$(HOST_DIR)/usr/bin/localedef \
  			--prefix=$(TARGET_DIR) \
  			--$(call LOWERCASE,$(BR2_ENDIAN))-endian \
  			-i $${inputfile} -f $${charmap} \
  			$${locale} ; \
  	done
  endef
  TARGET_FINALIZE_HOOKS += GENERATE_GLIBC_LOCALES
  endif
  endif
  
  ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
  LOCALE_WHITELIST = $(BUILD_DIR)/locales.nopurge
  LOCALE_NOPURGE = $(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
  
  # This piece of junk does the following:
  # First collect the whitelist in a file.
  # Then go over all the locale dirs and for each subdir, check if it exists
  # in the whitelist file. If it doesn't, kill it.
  # Finally, specifically for X11, regenerate locale.dir from the whitelist.
  define PURGE_LOCALES
  	rm -f $(LOCALE_WHITELIST)
  	for i in $(LOCALE_NOPURGE) locale-archive; do echo $$i >> $(LOCALE_WHITELIST); done
  
  	for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/lib/locale)); \
  	do \
  		for langdir in $$dir/*; \
  		do \
  			if [ -e "$${langdir}" ]; \
  			then \
  				grep -qx "$${langdir##*/}" $(LOCALE_WHITELIST) || rm -rf $$langdir; \
  			fi \
  		done; \
  	done
  	if [ -d $(TARGET_DIR)/usr/share/X11/locale ]; \
  	then \
  		for lang in $(LOCALE_NOPURGE); \
  		do \
  			if [ -f $(TARGET_DIR)/usr/share/X11/locale/$$lang/XLC_LOCALE ]; \
  			then \
  				echo "$$lang/XLC_LOCALE: $$lang"; \
  			fi \
  		done > $(TARGET_DIR)/usr/share/X11/locale/locale.dir; \
  	fi
  endef
  TARGET_FINALIZE_HOOKS += PURGE_LOCALES
  endif
  
  $(TARGETS_ROOTFS): target-finalize
  
  target-finalize: $(PACKAGES)
  	@$(call MESSAGE,"Finalizing target directory")
  	$(foreach hook,$(TARGET_FINALIZE_HOOKS),$($(hook))$(sep))
  	rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/share/aclocal \
  		$(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/pkgconfig \
  		$(TARGET_DIR)/usr/lib/cmake $(TARGET_DIR)/usr/share/cmake
  	find $(TARGET_DIR)/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f
  	find $(TARGET_DIR)/lib $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/libexec \
  		\( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
  ifneq ($(BR2_PACKAGE_GDB),y)
  	rm -rf $(TARGET_DIR)/usr/share/gdb
  endif
  ifneq ($(BR2_PACKAGE_BASH),y)
  	rm -rf $(TARGET_DIR)/usr/share/bash-completion
  endif
  ifneq ($(BR2_PACKAGE_ZSH),y)
  	rm -rf $(TARGET_DIR)/usr/share/zsh
  endif
  	rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
  	rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
  	rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
  	rm -rf $(TARGET_DIR)/usr/share/gtk-doc
  	-rmdir $(TARGET_DIR)/usr/share 2>/dev/null
  	$(STRIP_FIND_CMD) | xargs -0 $(STRIPCMD) 2>/dev/null || true
  	if test -d $(TARGET_DIR)/lib/modules; then \
  		find $(TARGET_DIR)/lib/modules -type f -name '*.ko' -print0 | \
  		xargs -0 -r $(KSTRIPCMD); fi
  
  # See http://sourceware.org/gdb/wiki/FAQ, "GDB does not see any threads
  # besides the one in which crash occurred; or SIGTRAP kills my program when
  # I set a breakpoint"
  ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
  	find $(TARGET_DIR)/lib -type f -name 'libpthread*.so*' | \
  		xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
  endif
  
  # Valgrind needs ld.so with enough information, so only strip
  # debugging symbols.
  	find $(TARGET_DIR)/lib -type f -name 'ld-*.so*' | \
  		xargs -r $(STRIPCMD) $(STRIP_STRIP_DEBUG)
  	test -f $(TARGET_DIR)/etc/ld.so.conf && \
  		{ echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true
  	test -d $(TARGET_DIR)/etc/ld.so.conf.d && \
  		{ echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true
  	mkdir -p $(TARGET_DIR)/etc
  	( \
  		echo "NAME=Buildroot"; \
  		echo "VERSION=$(BR2_VERSION_FULL)"; \
  		echo "ID=buildroot"; \
  		echo "VERSION_ID=$(BR2_VERSION)"; \
  		echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
  	) >  $(TARGET_DIR)/etc/os-release
  
  	@$(foreach d, $(call qstrip,$(BR2_ROOTFS_OVERLAY)), \
  		$(call MESSAGE,"Copying overlay $(d)"); \
  		rsync -a --ignore-times --keep-dirlinks $(RSYNC_VCS_EXCLUSIONS) \
  			--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
  			$(d)/ $(TARGET_DIR)$(sep))
  
  	@$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_BUILD_SCRIPT)), \
  		$(call MESSAGE,"Executing post-build script $(s)"); \
  		$(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  
  target-post-image: $(TARGETS_ROOTFS) target-finalize
  	@$(foreach s, $(call qstrip,$(BR2_ROOTFS_POST_IMAGE_SCRIPT)), \
  		$(call MESSAGE,"Executing post-image script $(s)"); \
  		$(EXTRA_ENV) $(s) $(BINARIES_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
  
  source: $(foreach p,$(PACKAGES),$(p)-all-source)
  
  _external-deps: $(foreach p,$(PACKAGES),$(p)-all-external-deps)
  external-deps:
  	@$(MAKE1) -Bs $(EXTRAMAKEARGS) _external-deps | sort -u
  
  # check if download URLs are outdated
  source-check: $(foreach p,$(PACKAGES),$(p)-all-source-check)
  
  legal-info-clean:
  	@rm -fr $(LEGAL_INFO_DIR)
  
  legal-info-prepare: $(LEGAL_INFO_DIR)
  	@$(call MESSAGE,"Collecting legal info")
  	@$(call legal-license-file,buildroot,COPYING,COPYING,HOST)
  	@$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,TARGET)
  	@$(call legal-manifest,PACKAGE,VERSION,LICENSE,LICENSE FILES,SOURCE ARCHIVE,SOURCE SITE,HOST)
  	@$(call legal-manifest,buildroot,$(BR2_VERSION_FULL),GPLv2+,COPYING,not saved,not saved,HOST)
  	@$(call legal-warning,the Buildroot source code has not been saved)
  	@cp $(BR2_CONFIG) $(LEGAL_INFO_DIR)/buildroot.config
  
  legal-info: dirs legal-info-clean legal-info-prepare $(foreach p,$(PACKAGES),$(p)-all-legal-info) \
  		$(REDIST_SOURCES_DIR_TARGET) $(REDIST_SOURCES_DIR_HOST)
  	@cat support/legal-info/README.header >>$(LEGAL_REPORT)
  	@if [ -r $(LEGAL_WARNINGS) ]; then \
  		cat support/legal-info/README.warnings-header \
  			$(LEGAL_WARNINGS) >>$(LEGAL_REPORT); \
  		cat $(LEGAL_WARNINGS); fi
  	@rm -f $(LEGAL_WARNINGS)
  	@(cd $(LEGAL_INFO_DIR); \
  		find * -type f -exec sha256sum {} + | LC_ALL=C sort -k2 \
  			>.legal-info.sha256; \
  		mv .legal-info.sha256 legal-info.sha256)
  	@echo "Legal info produced in $(LEGAL_INFO_DIR)"
  
  show-targets:
  	@echo $(PACKAGES) $(TARGETS_ROOTFS)
  
  graph-build: $(O)/build/build-time.log
  	@install -d $(GRAPHS_DIR)
  	$(foreach o,name build duration,./support/scripts/graph-build-time \
  					--type=histogram --order=$(o) --input=$(<) \
  					--output=$(GRAPHS_DIR)/build.hist-$(o).$(BR_GRAPH_OUT) \
  					$(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  	$(foreach t,packages steps,./support/scripts/graph-build-time \
  				   --type=pie-$(t) --input=$(<) \
  				   --output=$(GRAPHS_DIR)/build.pie-$(t).$(BR_GRAPH_OUT) \
  				   $(if $(BR2_GRAPH_ALT),--alternate-colors)$(sep))
  
  graph-depends-requirements:
  	@dot -? >/dev/null 2>&1 || \
  		{ echo "ERROR: The 'dot' program from Graphviz is needed for graph-depends" >&2; exit 1; }
  
  graph-depends: graph-depends-requirements
  	@$(INSTALL) -d $(GRAPHS_DIR)
  	@cd "$(CONFIG_DIR)"; \
  	$(TOPDIR)/support/scripts/graph-depends $(BR2_GRAPH_DEPS_OPTS) \
  		-o $(GRAPHS_DIR)/$(@).dot
  	dot $(BR2_GRAPH_DOT_OPTS) -T$(BR_GRAPH_OUT) \
  		-o $(GRAPHS_DIR)/$(@).$(BR_GRAPH_OUT) \
  		$(GRAPHS_DIR)/$(@).dot
  
  graph-size:
  	$(Q)mkdir -p $(GRAPHS_DIR)
  	$(Q)$(TOPDIR)/support/scripts/size-stats --builddir $(BASE_DIR) \
  		--graph $(GRAPHS_DIR)/graph-size.$(BR_GRAPH_OUT) \
  		--file-size-csv $(GRAPHS_DIR)/file-size-stats.csv \
  		--package-size-csv $(GRAPHS_DIR)/package-size-stats.csv
  
  check-dependencies:
  	@cd "$(CONFIG_DIR)"; \
  	$(TOPDIR)/support/scripts/graph-depends -C
  
  else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  
  all: menuconfig
  
  endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
  
  # configuration
  # ---------------------------------------------------------------------------
  
  HOSTCFLAGS = $(CFLAGS_FOR_BUILD)
  export HOSTCFLAGS
  
  $(BUILD_DIR)/buildroot-config/%onf:
  	mkdir -p $(@D)/lxdialog
  	PKG_CONFIG_PATH="$(HOST_PKG_CONFIG_PATH)" $(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" \
  	    obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)
  
  DEFCONFIG = $(call qstrip,$(BR2_DEFCONFIG))
  
  # We don't want to fully expand BR2_DEFCONFIG here, so Kconfig will
  # recognize that if it's still at its default $(CONFIG_DIR)/defconfig
  COMMON_CONFIG_ENV = \
  	BR2_DEFCONFIG='$(call qstrip,$(value BR2_DEFCONFIG))' \
  	KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
  	KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
  	KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
  	BR2_CONFIG=$(BR2_CONFIG) \
  	BR2_EXTERNAL=$(BR2_EXTERNAL) \
  	HOST_GCC_VERSION="$(HOSTCC_VERSION)" \
  	SKIP_LEGACY=
  
  xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  
  gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
  	@$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)
  
  menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  
  nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  
  config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)
  
  # For the config targets that automatically select options, we pass
  # SKIP_LEGACY=y to disable the legacy options. However, in that case
  # no values are set for the legacy options so a subsequent oldconfig
  # will query them. Therefore, run an additional olddefconfig.
  
  oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)
  
  randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --randconfig $(CONFIG_CONFIG_IN)
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allyesconfig $(CONFIG_CONFIG_IN)
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y $< --allnoconfig $(CONFIG_CONFIG_IN)
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  		$< --randconfig $(CONFIG_CONFIG_IN)
  	@rm -f $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  		$< --allyesconfig $(CONFIG_CONFIG_IN)
  	@rm -f $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@grep -v BR2_PACKAGE_ $(BR2_CONFIG) > $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) SKIP_LEGACY=y \
  		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
  		$< --allnoconfig $(CONFIG_CONFIG_IN)
  	@rm -f $(CONFIG_DIR)/.config.nopkg
  	@$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN) >/dev/null
  
  silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	$(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)
  
  olddefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	$(COMMON_CONFIG_ENV) $< --olddefconfig $(CONFIG_CONFIG_IN)
  
  defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< --defconfig$(if $(DEFCONFIG),=$(DEFCONFIG)) $(CONFIG_CONFIG_IN)
  
  # Override the BR2_DEFCONFIG from COMMON_CONFIG_ENV with the new defconfig
  %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
  	@$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(TOPDIR)/configs/$@ \
  		$< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)
  
  %_defconfig: $(BUILD_DIR)/buildroot-config/conf $(BR2_EXTERNAL)/configs/%_defconfig outputmakefile
  	@$(COMMON_CONFIG_ENV) BR2_DEFCONFIG=$(BR2_EXTERNAL)/configs/$@ \
  		$< --defconfig=$(BR2_EXTERNAL)/configs/$@ $(CONFIG_CONFIG_IN)
  
  savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
  	@$(COMMON_CONFIG_ENV) $< \
  		--savedefconfig=$(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig) \
  		$(CONFIG_CONFIG_IN)
  	@$(SED) '/BR2_DEFCONFIG=/d' $(if $(DEFCONFIG),$(DEFCONFIG),$(CONFIG_DIR)/defconfig)
  
  .PHONY: defconfig savedefconfig
  
  ################################################################################
  #
  # Cleanup and misc junk
  #
  ################################################################################
  
  # outputmakefile generates a Makefile in the output directory, if using a
  # separate output directory. This allows convenient use of make in the
  # output directory.
  outputmakefile:
  ifeq ($(NEED_WRAPPER),y)
  	$(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
  endif
  
  # printvars prints all the variables currently defined in our
  # Makefiles. Alternatively, if a non-empty VARS variable is passed,
  # only the variables matching the make pattern passed in VARS are
  # displayed.
  printvars:
  	@$(foreach V, \
  		$(sort $(if $(VARS),$(filter $(VARS),$(.VARIABLES)),$(.VARIABLES))), \
  		$(if $(filter-out environment% default automatic, \
  				$(origin $V)), \
  		$(info $V=$($V) ($(value $V)))))
  
  clean:
  	rm -rf $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
  		$(BUILD_DIR) $(BASE_DIR)/staging \
  		$(LEGAL_INFO_DIR) $(GRAPHS_DIR)
  
  distclean: clean
  ifeq ($(DL_DIR),$(TOPDIR)/dl)
  	rm -rf $(DL_DIR)
  endif
  ifeq ($(O),output)
  	rm -rf $(O)
  endif
  	rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
  		$(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
  
  help:
  	@echo 'Cleaning:'
  	@echo '  clean                  - delete all files created by build'
  	@echo '  distclean              - delete all non-source files (including .config)'
  	@echo
  	@echo 'Build:'
  	@echo '  all                    - make world'
  	@echo '  toolchain              - build toolchain'
  	@echo
  	@echo 'Configuration:'
  	@echo '  menuconfig             - interactive curses-based configurator'
  	@echo '  nconfig                - interactive ncurses-based configurator'
  	@echo '  xconfig                - interactive Qt-based configurator'
  	@echo '  gconfig                - interactive GTK-based configurator'
  	@echo '  oldconfig              - resolve any unresolved symbols in .config'
  	@echo '  silentoldconfig        - Same as oldconfig, but quietly, additionally update deps'
  	@echo '  olddefconfig           - Same as silentoldconfig but sets new symbols to their default value'
  	@echo '  randconfig             - New config with random answer to all options'
  	@echo '  defconfig              - New config with default answer to all options'
  	@echo '                             BR2_DEFCONFIG, if set, is used as input'
  	@echo '  savedefconfig          - Save current config to BR2_DEFCONFIG (minimal config)'
  	@echo '  allyesconfig           - New config where all options are accepted with yes'
  	@echo '  allnoconfig            - New config where all options are answered with no'
  	@echo '  randpackageconfig      - New config with random answer to package options'
  	@echo '  allyespackageconfig    - New config where pkg options are accepted with yes'
  	@echo '  allnopackageconfig     - New config where package options are answered with no'
  	@echo
  	@echo 'Package-specific:'
  	@echo '  <pkg>                  - Build and install <pkg> and all its dependencies'
  	@echo '  <pkg>-source           - Only download the source files for <pkg>'
  	@echo '  <pkg>-extract          - Extract <pkg> sources'
  	@echo '  <pkg>-patch            - Apply patches to <pkg>'
  	@echo '  <pkg>-depends          - Build <pkg>'\''s dependencies'
  	@echo '  <pkg>-configure        - Build <pkg> up to the configure step'
  	@echo '  <pkg>-build            - Build <pkg> up to the build step'
  	@echo '  <pkg>-graph-depends    - Generate a graph of <pkg>'\''s dependencies'
  	@echo '  <pkg>-dirclean         - Remove <pkg> build directory'
  	@echo '  <pkg>-reconfigure      - Restart the build from the configure step'
  	@echo '  <pkg>-rebuild          - Restart the build from the build step'
  	$(foreach p,$(HELP_PACKAGES), \
  		@echo $(sep) \
  		@echo '$($(p)_NAME):' $(sep) \
  		$($(p)_HELP_CMDS)$(sep))
  	@echo
  	@echo 'Documentation:'
  	@echo '  manual                 - build manual in all formats'
  	@echo '  manual-html            - build manual in HTML'
  	@echo '  manual-split-html      - build manual in split HTML'
  	@echo '  manual-pdf             - build manual in PDF'
  	@echo '  manual-text            - build manual in text'
  	@echo '  manual-epub            - build manual in ePub'
  	@echo '  graph-build            - generate graphs of the build times'
  	@echo '  graph-depends          - generate graph of the dependency tree'
  	@echo '  graph-size             - generate stats of the filesystem size'
  	@echo '  list-defconfigs        - list all defconfigs (pre-configured minimal systems)'
  	@echo
  	@echo 'Miscellaneous:'
  	@echo '  source                 - download all sources needed for offline-build'
  	@echo '  source-check           - check selected packages for valid download URLs'
  	@echo '  external-deps          - list external packages used'
  	@echo '  legal-info             - generate info about license compliance'
  	@echo
  	@echo '  make V=0|1             - 0 => quiet build (default), 1 => verbose build'
  	@echo '  make O=dir             - Locate all output files in "dir", including .config'
  	@echo
  	@echo 'For further details, see README, generate the Buildroot manual, or consult'
  	@echo 'it on-line at http://buildroot.org/docs.html'
  	@echo
  
  list-defconfigs:
  	@echo 'Built-in configs:'
  	@$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
  	  printf "  %-35s - Build for %s\
  " $(b) $(b:_defconfig=);)
  ifneq ($(wildcard $(BR2_EXTERNAL)/configs/*_defconfig),)
  	@echo
  	@echo 'User-provided configs:'
  	@$(foreach b, $(sort $(notdir $(wildcard $(BR2_EXTERNAL)/configs/*_defconfig))), \
  	  printf "  %-35s - Build for %s\
  " $(b) $(b:_defconfig=);)
  endif
  	@echo
  
  release: OUT = buildroot-$(BR2_VERSION)
  
  # Create release tarballs. We need to fiddle a bit to add the generated
  # documentation to the git output
  release:
  	git archive --format=tar --prefix=$(OUT)/ HEAD > $(OUT).tar
  	$(MAKE) O=$(OUT) manual-html manual-text manual-pdf
  	$(MAKE) O=$(OUT) manual-clean
  	tar rf $(OUT).tar $(OUT)
  	gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
  	bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
  	rm -rf $(OUT) $(OUT).tar
  
  print-version:
  	@echo $(BR2_VERSION_FULL)
  
  include docs/manual/manual.mk
  -include $(BR2_EXTERNAL)/docs/*/*.mk
  
  .PHONY: $(noconfig_targets)
  
  endif #umask