package/busybox/busybox.mk - buildroot - Git at Google

 ################################################################################
 #
 # busybox
 #
 ################################################################################

 BUSYBOX_VERSION = 1.27.1
 BUSYBOX_SITE = http://www.busybox.net/downloads
 BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
 BUSYBOX_LICENSE = GPL-2.0
 BUSYBOX_LICENSE_FILES = LICENSE

 define BUSYBOX_HELP_CMDS
 	@echo '  busybox-menuconfig     - Run BusyBox menuconfig'
 endef

 BUSYBOX_CFLAGS = \
 	$(TARGET_CFLAGS)

 BUSYBOX_LDFLAGS = \
 	$(TARGET_LDFLAGS)

 # Link against libtirpc if available so that we can leverage its RPC
 # support for NFS mounting with BusyBox
 ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
 BUSYBOX_DEPENDENCIES += libtirpc host-pkgconf
 BUSYBOX_CFLAGS += "`$(PKG_CONFIG_HOST_BINARY) --cflags libtirpc`"
 # Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
 # the non-final link of modules as well.
 BUSYBOX_CFLAGS_busybox += "`$(PKG_CONFIG_HOST_BINARY) --libs libtirpc`"
 endif

 BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
 # Allows the build system to tweak CFLAGS
 BUSYBOX_MAKE_ENV = \
 	$(TARGET_MAKE_ENV) \
 	CFLAGS="$(BUSYBOX_CFLAGS)" \
 	CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"

 ifeq ($(BR2_REPRODUCIBLE),y)
 BUSYBOX_MAKE_ENV += \
 	KCONFIG_NOTIMESTAMP=1
 endif

 BUSYBOX_MAKE_OPTS = \
 	CC="$(TARGET_CC)" \
 	ARCH=$(KERNEL_ARCH) \
 	PREFIX="$(TARGET_DIR)" \
 	EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
 	CROSS_COMPILE="$(TARGET_CROSS)" \
 	CONFIG_PREFIX="$(TARGET_DIR)" \
 	SKIP_STRIP=y

 ifndef BUSYBOX_CONFIG_FILE
 BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
 endif

 BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
 BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
 BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
 BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)

 ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
 define BUSYBOX_PERMISSIONS
 # Set permissions on all applets with BB_SUID_REQUIRE and BB_SUID_MAYBE.
 # 12 Applets are pulled from applets.h using grep command :
 #  grep -r -e "APPLET.*BB_SUID_REQUIRE\|APPLET.*BB_SUID_MAYBE" \
 #  $(@D)/include/applets.h
 # These applets are added to the device table and the makedev file
 # ignores the files with type 'F' ( optional files).
 	/usr/bin/wall 			 F 4755 0  0 - - - - -
 	/bin/ping 			 F 4755 0  0 - - - - -
 	/bin/ping6 			 F 4755 0  0 - - - - -
 	/usr/bin/crontab 		 F 4755 0  0 - - - - -
 	/sbin/findfs 			 F 4755 0  0 - - - - -
 	/bin/login 			 F 4755 0  0 - - - - -
 	/bin/mount 			 F 4755 0  0 - - - - -
 	/usr/bin/passwd 		 F 4755 0  0 - - - - -
 	/bin/su 			 F 4755 0  0 - - - - -
 	/usr/bin/traceroute 		 F 4755 0  0 - - - - -
 	/usr/bin/traceroute6 		 F 4755 0  0 - - - - -
 	/usr/bin/vlock 			 F 4755 0  0 - - - - -
 endef
 else
 define BUSYBOX_PERMISSIONS
 	/bin/busybox                     f 4755 0  0 - - - - -
 endef
 endif

 # If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
 ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
 define BUSYBOX_INSTALL_MDEV_SCRIPT
 	$(INSTALL) -D -m 0755 package/busybox/S10mdev \
 		$(TARGET_DIR)/etc/init.d/S10mdev
 endef
 define BUSYBOX_INSTALL_MDEV_CONF
 	$(INSTALL) -D -m 0644 package/busybox/mdev.conf \
 		$(TARGET_DIR)/etc/mdev.conf
 endef
 define BUSYBOX_SET_MDEV
 	$(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 # sha passwords need USE_BB_CRYPT_SHA
 ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
 define BUSYBOX_SET_CRYPT_SHA
 	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 ifeq ($(BR2_USE_MMU),y)
 define BUSYBOX_SET_MMU
 	$(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
 endef
 else
 define BUSYBOX_SET_MMU
 	$(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPON,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPOFF,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 # If we're using static libs do the same for busybox
 ifeq ($(BR2_STATIC_LIBS),y)
 define BUSYBOX_PREFER_STATIC
 	$(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 # Disable shadow passwords support if unsupported by the C library
 ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
 define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
 	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 # We also need to use internal shadow password functions when using
 # the musl C library, since some of them are not yet implemented by
 # musl.
 #
 # Do not use utmp/wmtp support. wmtp support is not available in musl,
 # and utmp support is not sufficient for Busybox.
 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 define BUSYBOX_MUSL_TWEAKS
 	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 define BUSYBOX_INSTALL_UDHCPC_SCRIPT
 	if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
 		$(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
 			$(TARGET_DIR)/usr/share/udhcpc/default.script; \
 		$(INSTALL) -m 0755 -d \
 			$(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
 	fi
 endef

 ifeq ($(BR2_INIT_BUSYBOX),y)

 define BUSYBOX_SET_INIT
 	$(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
 endef

 ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
 define BUSYBOX_SET_GETTY
 	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SYSTEM_GETTY_PORT)::respawn:/sbin/getty -L $(SYSTEM_GETTY_OPTIONS) $(SYSTEM_GETTY_PORT) $(SYSTEM_GETTY_BAUDRATE) $(SYSTEM_GETTY_TERM) #~' \
 		$(TARGET_DIR)/etc/inittab
 endef
 BUSYBOX_TARGET_FINALIZE_HOOKS += BUSYBOX_SET_GETTY
 endif # BR2_TARGET_GENERIC_GETTY

 BUSYBOX_TARGET_FINALIZE_HOOKS += SYSTEM_REMOUNT_ROOT_INITTAB

 endif # BR2_INIT_BUSYBOX

 ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
 BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
 define BUSYBOX_SET_SELINUX
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
 endef
 endif

 ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
 define BUSYBOX_SET_INDIVIDUAL_BINARIES
 	$(call KCONFIG_ENABLE_OPT,CONFIG_BUILD_LIBBUSYBOX,$(BUSYBOX_BUILD_CONFIG))
 	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_INDIVIDUAL,$(BUSYBOX_BUILD_CONFIG))
 endef

 define BUSYBOX_INSTALL_INDIVIDUAL_BINARIES
 	rm -f $(TARGET_DIR)/bin/busybox
 endef
 endif

 define BUSYBOX_INSTALL_LOGGING_SCRIPT
 	if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
 		$(INSTALL) -m 0755 -D package/busybox/S01logging \
 			$(TARGET_DIR)/etc/init.d/S01logging; \
 	else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 endef

 ifeq ($(BR2_INIT_BUSYBOX),y)
 define BUSYBOX_INSTALL_INITTAB
 	$(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
 endef
 endif

 ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
 define BUSYBOX_SET_WATCHDOG
 	$(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
 endef
 define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
 	$(INSTALL) -D -m 0755 package/busybox/S15watchdog \
 		$(TARGET_DIR)/etc/init.d/S15watchdog
 	$(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
 		$(TARGET_DIR)/etc/init.d/S15watchdog
 endef
 endif

 # PAM support requires thread support in the toolchain
 ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
 define BUSYBOX_LINUX_PAM
 	$(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
 endef
 BUSYBOX_DEPENDENCIES += linux-pam
 endif

 # Telnet support
 define BUSYBOX_INSTALL_TELNET_SCRIPT
 	if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
 		$(INSTALL) -m 0755 -D package/busybox/S50telnet \
 			$(TARGET_DIR)/etc/init.d/S50telnet ; \
 	fi
 endef

 # Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
 # full-blown versions of apps installed by other packages with sym/hard links.
 define BUSYBOX_NOCLOBBER_INSTALL
 	$(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
 endef

 define BUSYBOX_KCONFIG_FIXUP_CMDS
 	$(BUSYBOX_SET_MMU)
 	$(BUSYBOX_PREFER_STATIC)
 	$(BUSYBOX_SET_MDEV)
 	$(BUSYBOX_SET_CRYPT_SHA)
 	$(BUSYBOX_LINUX_PAM)
 	$(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
 	$(BUSYBOX_SET_INIT)
 	$(BUSYBOX_SET_WATCHDOG)
 	$(BUSYBOX_SET_SELINUX)
 	$(BUSYBOX_SET_INDIVIDUAL_BINARIES)
 	$(BUSYBOX_MUSL_TWEAKS)
 endef

 define BUSYBOX_CONFIGURE_CMDS
 	$(BUSYBOX_NOCLOBBER_INSTALL)
 endef

 define BUSYBOX_BUILD_CMDS
 	$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
 endef

 define BUSYBOX_INSTALL_TARGET_CMDS
 	$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
 	$(BUSYBOX_INSTALL_INITTAB)
 	$(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
 	$(BUSYBOX_INSTALL_MDEV_CONF)
 endef

 define BUSYBOX_INSTALL_INIT_SYSV
 	$(BUSYBOX_INSTALL_MDEV_SCRIPT)
 	$(BUSYBOX_INSTALL_LOGGING_SCRIPT)
 	$(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 	$(BUSYBOX_INSTALL_TELNET_SCRIPT)
 	$(BUSYBOX_INSTALL_INDIVIDUAL_BINARIES)
 endef

 # Checks to give errors that the user can understand
 # Must be before we call to kconfig-package
 ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
 ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
 $(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
 endif
 endif

 $(eval $(kconfig-package))
	################################################################################
	#
	# busybox
	#
	################################################################################

	BUSYBOX_VERSION = 1.27.1
	BUSYBOX_SITE = http://www.busybox.net/downloads
	BUSYBOX_SOURCE = busybox-$(BUSYBOX_VERSION).tar.bz2
	BUSYBOX_LICENSE = GPL-2.0
	BUSYBOX_LICENSE_FILES = LICENSE

	define BUSYBOX_HELP_CMDS
	@echo ' busybox-menuconfig - Run BusyBox menuconfig'
	endef

	BUSYBOX_CFLAGS = \
	$(TARGET_CFLAGS)

	BUSYBOX_LDFLAGS = \
	$(TARGET_LDFLAGS)

	# Link against libtirpc if available so that we can leverage its RPC
	# support for NFS mounting with BusyBox
	ifeq ($(BR2_PACKAGE_LIBTIRPC),y)
	BUSYBOX_DEPENDENCIES += libtirpc host-pkgconf
	BUSYBOX_CFLAGS += "`$(PKG_CONFIG_HOST_BINARY) --cflags libtirpc`"
	# Don't use LDFLAGS for -ltirpc, because LDFLAGS is used for
	# the non-final link of modules as well.
	BUSYBOX_CFLAGS_busybox += "`$(PKG_CONFIG_HOST_BINARY) --libs libtirpc`"
	endif

	BUSYBOX_BUILD_CONFIG = $(BUSYBOX_DIR)/.config
	# Allows the build system to tweak CFLAGS
	BUSYBOX_MAKE_ENV = \
	$(TARGET_MAKE_ENV) \
	CFLAGS="$(BUSYBOX_CFLAGS)" \
	CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"

	ifeq ($(BR2_REPRODUCIBLE),y)
	BUSYBOX_MAKE_ENV += \
	KCONFIG_NOTIMESTAMP=1
	endif

	BUSYBOX_MAKE_OPTS = \
	CC="$(TARGET_CC)" \
	ARCH=$(KERNEL_ARCH) \
	PREFIX="$(TARGET_DIR)" \
	EXTRA_LDFLAGS="$(BUSYBOX_LDFLAGS)" \
	CROSS_COMPILE="$(TARGET_CROSS)" \
	CONFIG_PREFIX="$(TARGET_DIR)" \
	SKIP_STRIP=y

	ifndef BUSYBOX_CONFIG_FILE
	BUSYBOX_CONFIG_FILE = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG))
	endif

	BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
	BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
	BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
	BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)

	ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
	define BUSYBOX_PERMISSIONS
	# Set permissions on all applets with BB_SUID_REQUIRE and BB_SUID_MAYBE.
	# 12 Applets are pulled from applets.h using grep command :
	# grep -r -e "APPLET.BB_SUID_REQUIRE\\|APPLET.BB_SUID_MAYBE" \
	# $(@D)/include/applets.h
	# These applets are added to the device table and the makedev file
	# ignores the files with type 'F' ( optional files).
	/usr/bin/wall F 4755 0 0 - - - - -
	/bin/ping F 4755 0 0 - - - - -
	/bin/ping6 F 4755 0 0 - - - - -
	/usr/bin/crontab F 4755 0 0 - - - - -
	/sbin/findfs F 4755 0 0 - - - - -
	/bin/login F 4755 0 0 - - - - -
	/bin/mount F 4755 0 0 - - - - -
	/usr/bin/passwd F 4755 0 0 - - - - -
	/bin/su F 4755 0 0 - - - - -
	/usr/bin/traceroute F 4755 0 0 - - - - -
	/usr/bin/traceroute6 F 4755 0 0 - - - - -
	/usr/bin/vlock F 4755 0 0 - - - - -
	endef
	else
	define BUSYBOX_PERMISSIONS
	/bin/busybox f 4755 0 0 - - - - -
	endef
	endif

	# If mdev will be used for device creation enable it and copy S10mdev to /etc/init.d
	ifeq ($(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),y)
	define BUSYBOX_INSTALL_MDEV_SCRIPT
	$(INSTALL) -D -m 0755 package/busybox/S10mdev \
	$(TARGET_DIR)/etc/init.d/S10mdev
	endef
	define BUSYBOX_INSTALL_MDEV_CONF
	$(INSTALL) -D -m 0644 package/busybox/mdev.conf \
	$(TARGET_DIR)/etc/mdev.conf
	endef
	define BUSYBOX_SET_MDEV
	$(call KCONFIG_ENABLE_OPT,CONFIG_MDEV,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_CONF,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_EXEC,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_MDEV_LOAD_FIRMWARE,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	# sha passwords need USE_BB_CRYPT_SHA
	ifeq ($(BR2_TARGET_GENERIC_PASSWD_SHA256)$(BR2_TARGET_GENERIC_PASSWD_SHA512),y)
	define BUSYBOX_SET_CRYPT_SHA
	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_CRYPT_SHA,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	ifeq ($(BR2_USE_MMU),y)
	define BUSYBOX_SET_MMU
	$(call KCONFIG_DISABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
	endef
	else
	define BUSYBOX_SET_MMU
	$(call KCONFIG_ENABLE_OPT,CONFIG_NOMMU,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPON,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPOFF,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BASH_COMPAT,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_BRACE_EXPANSION,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_HELP,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_INTERACTIVE,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_SAVEHISTORY,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_JOB,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_TICK,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_IF,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOOPS,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_CASE,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_FUNCTIONS,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_LOCAL,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_RANDOM_SUPPORT,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_EXPORT_N,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH_MODE_X,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	# If we're using static libs do the same for busybox
	ifeq ($(BR2_STATIC_LIBS),y)
	define BUSYBOX_PREFER_STATIC
	$(call KCONFIG_ENABLE_OPT,CONFIG_STATIC,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	# Disable shadow passwords support if unsupported by the C library
	ifeq ($(BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS),)
	define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	# We also need to use internal shadow password functions when using
	# the musl C library, since some of them are not yet implemented by
	# musl.
	#
	# Do not use utmp/wmtp support. wmtp support is not available in musl,
	# and utmp support is not sufficient for Busybox.
	ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
	define BUSYBOX_MUSL_TWEAKS
	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_PWD_GRP,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_USE_BB_SHADOW,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_UTMP,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_DISABLE_OPT,CONFIG_FEATURE_WTMP,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	define BUSYBOX_INSTALL_UDHCPC_SCRIPT
	if grep -q CONFIG_UDHCPC=y $(@D)/.config; then \
	$(INSTALL) -m 0755 -D package/busybox/udhcpc.script \
	$(TARGET_DIR)/usr/share/udhcpc/default.script; \
	$(INSTALL) -m 0755 -d \
	$(TARGET_DIR)/usr/share/udhcpc/default.script.d; \
	fi
	endef

	ifeq ($(BR2_INIT_BUSYBOX),y)

	define BUSYBOX_SET_INIT
	$(call KCONFIG_ENABLE_OPT,CONFIG_INIT,$(BUSYBOX_BUILD_CONFIG))
	endef

	ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
	define BUSYBOX_SET_GETTY
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SYSTEM_GETTY_PORT)::respawn:/sbin/getty -L $(SYSTEM_GETTY_OPTIONS) $(SYSTEM_GETTY_PORT) $(SYSTEM_GETTY_BAUDRATE) $(SYSTEM_GETTY_TERM) #~' \
	$(TARGET_DIR)/etc/inittab
	endef
	BUSYBOX_TARGET_FINALIZE_HOOKS += BUSYBOX_SET_GETTY
	endif # BR2_TARGET_GENERIC_GETTY

	BUSYBOX_TARGET_FINALIZE_HOOKS += SYSTEM_REMOUNT_ROOT_INITTAB

	endif # BR2_INIT_BUSYBOX

	ifeq ($(BR2_PACKAGE_BUSYBOX_SELINUX),y)
	BUSYBOX_DEPENDENCIES += host-pkgconf libselinux libsepol
	define BUSYBOX_SET_SELINUX
	$(call KCONFIG_ENABLE_OPT,CONFIG_SELINUX,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_SELINUXENABLED,$(BUSYBOX_BUILD_CONFIG))
	endef
	endif

	ifeq ($(BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES),y)
	define BUSYBOX_SET_INDIVIDUAL_BINARIES
	$(call KCONFIG_ENABLE_OPT,CONFIG_BUILD_LIBBUSYBOX,$(BUSYBOX_BUILD_CONFIG))
	$(call KCONFIG_ENABLE_OPT,CONFIG_FEATURE_INDIVIDUAL,$(BUSYBOX_BUILD_CONFIG))
	endef

	define BUSYBOX_INSTALL_INDIVIDUAL_BINARIES
	rm -f $(TARGET_DIR)/bin/busybox
	endef
	endif

	define BUSYBOX_INSTALL_LOGGING_SCRIPT
	if grep -q CONFIG_SYSLOGD=y $(@D)/.config; then \
	$(INSTALL) -m 0755 -D package/busybox/S01logging \
	$(TARGET_DIR)/etc/init.d/S01logging; \
	else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
	endef

	ifeq ($(BR2_INIT_BUSYBOX),y)
	define BUSYBOX_INSTALL_INITTAB
	$(INSTALL) -D -m 0644 package/busybox/inittab $(TARGET_DIR)/etc/inittab
	endef
	endif

	ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
	define BUSYBOX_SET_WATCHDOG
	$(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
	endef
	define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
	$(INSTALL) -D -m 0755 package/busybox/S15watchdog \
	$(TARGET_DIR)/etc/init.d/S15watchdog
	$(SED) s/PERIOD/$(call qstrip,$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD))/ \
	$(TARGET_DIR)/etc/init.d/S15watchdog
	endef
	endif

	# PAM support requires thread support in the toolchain
	ifeq ($(BR2_PACKAGE_LINUX_PAM)$(BR2_TOOLCHAIN_HAS_THREADS),yy)
	define BUSYBOX_LINUX_PAM
	$(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
	endef
	BUSYBOX_DEPENDENCIES += linux-pam
	endif

	# Telnet support
	define BUSYBOX_INSTALL_TELNET_SCRIPT
	if grep -q CONFIG_FEATURE_TELNETD_STANDALONE=y $(@D)/.config; then \
	$(INSTALL) -m 0755 -D package/busybox/S50telnet \
	$(TARGET_DIR)/etc/init.d/S50telnet ; \
	fi
	endef

	# Enable "noclobber" in install.sh, to prevent BusyBox from overwriting any
	# full-blown versions of apps installed by other packages with sym/hard links.
	define BUSYBOX_NOCLOBBER_INSTALL
	$(SED) 's/^noclobber="0"$$/noclobber="1"/' $(@D)/applets/install.sh
	endef

	define BUSYBOX_KCONFIG_FIXUP_CMDS
	$(BUSYBOX_SET_MMU)
	$(BUSYBOX_PREFER_STATIC)
	$(BUSYBOX_SET_MDEV)
	$(BUSYBOX_SET_CRYPT_SHA)
	$(BUSYBOX_LINUX_PAM)
	$(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
	$(BUSYBOX_SET_INIT)
	$(BUSYBOX_SET_WATCHDOG)
	$(BUSYBOX_SET_SELINUX)
	$(BUSYBOX_SET_INDIVIDUAL_BINARIES)
	$(BUSYBOX_MUSL_TWEAKS)
	endef

	define BUSYBOX_CONFIGURE_CMDS
	$(BUSYBOX_NOCLOBBER_INSTALL)
	endef

	define BUSYBOX_BUILD_CMDS
	$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D)
	endef

	define BUSYBOX_INSTALL_TARGET_CMDS
	$(BUSYBOX_MAKE_ENV) $(MAKE) $(BUSYBOX_MAKE_OPTS) -C $(@D) install
	$(BUSYBOX_INSTALL_INITTAB)
	$(BUSYBOX_INSTALL_UDHCPC_SCRIPT)
	$(BUSYBOX_INSTALL_MDEV_CONF)
	endef

	define BUSYBOX_INSTALL_INIT_SYSV
	$(BUSYBOX_INSTALL_MDEV_SCRIPT)
	$(BUSYBOX_INSTALL_LOGGING_SCRIPT)
	$(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
	$(BUSYBOX_INSTALL_TELNET_SCRIPT)
	$(BUSYBOX_INSTALL_INDIVIDUAL_BINARIES)
	endef

	# Checks to give errors that the user can understand
	# Must be before we call to kconfig-package
	ifeq ($(BR2_PACKAGE_BUSYBOX)$(BR_BUILDING),yy)
	ifeq ($(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG)),)
	$(error No BusyBox configuration file specified, check your BR2_PACKAGE_BUSYBOX_CONFIG setting)
	endif
	endif

	$(eval $(kconfig-package))