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

 ################################################################################
 #
 # skeleton
 #
 ################################################################################

 # source included in buildroot
 SKELETON_SOURCE =

 # The skeleton can't depend on the toolchain, since all packages depends on the
 # skeleton and the toolchain is a target package, as is skeleton.
 # Hence, skeleton would depends on the toolchain and the toolchain would depend
 # on skeleton.
 SKELETON_ADD_TOOLCHAIN_DEPENDENCY = NO

 # The skeleton also handles the merged /usr case in the sysroot
 SKELETON_INSTALL_STAGING = YES

 ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)

 SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))

 ifeq ($(BR2_ROOTFS_MERGED_USR),y)

 # Ensure the user has prepared a merged /usr.
 #
 # Extract the inode numbers for all of those directories. In case any is
 # a symlink, we want to get the inode of the pointed-to directory, so we
 # append '/.' to be sure we get the target directory. Since the symlinks
 # can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
 # all of them.
 #
 SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
 SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
 SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
 SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
 SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
 SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)

 ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
 SKELETON_CUSTOM_NOT_MERGED_USR += /lib
 endif
 ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
 SKELETON_CUSTOM_NOT_MERGED_USR += /bin
 endif
 ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
 SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
 endif

 ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
 $(error Use of systemd as an init system requires a merged /usr. \
 	However, the custom skeleton in $(SKELETON_PATH) is not \
 	using a merged /usr for the following directories: \
 	$(SKELETON_CUSTOM_NOT_MERGED_USR))
 endif

 endif # merged /usr

 else # ! custom skeleton

 SKELETON_PATH = system/skeleton

 endif # ! custom skeleton

 # This function handles the merged or non-merged /usr cases
 ifeq ($(BR2_ROOTFS_MERGED_USR),y)
 define SKELETON_USR_SYMLINKS_OR_DIRS
 	ln -snf usr/bin $(1)/bin
 	ln -snf usr/sbin $(1)/sbin
 	ln -snf usr/lib $(1)/lib
 endef
 else
 define SKELETON_USR_SYMLINKS_OR_DIRS
 	$(INSTALL) -d -m 0755 $(1)/bin
 	$(INSTALL) -d -m 0755 $(1)/sbin
 	$(INSTALL) -d -m 0755 $(1)/lib
 endef
 endif

 # We make a symlink lib32->lib or lib64->lib as appropriate
 # MIPS64/n32 requires lib32 even though it's a 64-bit arch.
 ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
 SKELETON_LIB_SYMLINK = lib64
 else
 SKELETON_LIB_SYMLINK = lib32
 endif

 define SKELETON_INSTALL_TARGET_CMDS
 	rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
 		--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
 		$(SKELETON_PATH)/ $(TARGET_DIR)/
 	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
 	ln -snf lib $(TARGET_DIR)/$(SKELETON_LIB_SYMLINK)
 	ln -snf lib $(TARGET_DIR)/usr/$(SKELETON_LIB_SYMLINK)
 	$(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
 		$(TARGET_DIR_WARNING_FILE)
 endef

 # For the staging dir, we don't really care about /bin and /sbin.
 # But for consistency with the target dir, and to simplify the code,
 # we still handle them for the merged or non-merged /usr cases.
 # Since the toolchain is not yet available, the staging is not yet
 # populated, so we need to create the directories in /usr
 define SKELETON_INSTALL_STAGING_CMDS
 	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
 	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
 	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
 	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include
 	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
 	ln -snf lib $(STAGING_DIR)/$(SKELETON_LIB_SYMLINK)
 	ln -snf lib $(STAGING_DIR)/usr/$(SKELETON_LIB_SYMLINK)
 endef

 SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
 SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
 SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
 SKELETON_TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
 SKELETON_TARGET_GENERIC_BIN_SH = $(call qstrip,$(BR2_SYSTEM_BIN_SH))
 SKELETON_TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
 SKELETON_TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
 SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
 SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))

 ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
 define SYSTEM_HOSTNAME
 	mkdir -p $(TARGET_DIR)/etc
 	echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
 	$(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
 		-e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
 endef
 TARGET_FINALIZE_HOOKS += SYSTEM_HOSTNAME
 endif

 ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
 define SYSTEM_ISSUE
 	mkdir -p $(TARGET_DIR)/etc
 	echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
 endef
 TARGET_FINALIZE_HOOKS += SYSTEM_ISSUE
 endif

 define SET_NETWORK_LOCALHOST
 	( \
 		echo "# interface file auto-generated by buildroot"; \
 		echo ;                                               \
 		echo "auto lo";                                      \
 		echo "iface lo inet loopback";                       \
 	) > $(TARGET_DIR)/etc/network/interfaces
 endef

 NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))

 ifneq ($(NETWORK_DHCP_IFACE),)
 define SET_NETWORK_DHCP
 	( \
 		echo ;                                               \
 		echo "auto $(NETWORK_DHCP_IFACE)";                   \
 		echo "iface $(NETWORK_DHCP_IFACE) inet dhcp";        \
 		echo "	pre-up /etc/network/nfs_check";              \
 		echo "	wait-delay 15";                              \
 	) >> $(TARGET_DIR)/etc/network/interfaces
 	$(INSTALL) -m 0755 -D $(SKELETON_PKGDIR)/nfs_check \
 		$(TARGET_DIR)/etc/network/nfs_check
 endef
 endif

 define SET_NETWORK
 	mkdir -p $(TARGET_DIR)/etc/network/
 	$(SET_NETWORK_LOCALHOST)
 	$(SET_NETWORK_DHCP)
 endef

 TARGET_FINALIZE_HOOKS += SET_NETWORK

 # The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
 # default skeleton.
 ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)

 ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
 ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
 SYSTEM_ROOT_PASSWORD =
 else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
 SYSTEM_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
 else
 SKELETON_DEPENDENCIES += host-mkpasswd
 # This variable will only be evaluated in the finalize stage, so we can
 # be sure that host-mkpasswd will have already been built by that time.
 SYSTEM_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
 endif
 else # !BR2_TARGET_ENABLE_ROOT_LOGIN
 SYSTEM_ROOT_PASSWORD = "*"
 endif

 define SKELETON_SYSTEM_SET_ROOT_PASSWD
 	$(SED) s,^root:[^:]*:,root:$(SYSTEM_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
 endef
 TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_SET_ROOT_PASSWD

 ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
 define SKELETON_SYSTEM_BIN_SH
 	rm -f $(TARGET_DIR)/bin/sh
 endef
 else
 define SKELETON_SYSTEM_BIN_SH
 	ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
 endef
 endif
 TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_BIN_SH

 ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
 ifeq ($(BR2_INIT_SYSV),y)
 # In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
 # skip the "tty" part and keep only the remaining.
 define SKELETON_SYSTEM_GETTY
 	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(SKELETON_TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
 		$(TARGET_DIR)/etc/inittab
 endef
 else ifeq ($(BR2_INIT_BUSYBOX),y)
 # Add getty to busybox inittab
 define SKELETON_SYSTEM_GETTY
 	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
 		$(TARGET_DIR)/etc/inittab
 endef
 endif
 TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_GETTY
 endif

 ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
 ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
 # Find commented line, if any, and remove leading '#'s
 define SKELETON_SYSTEM_REMOUNT_RW
 	$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
 endef
 else
 # Find uncommented line, if any, and add a leading '#'
 define SKELETON_SYSTEM_REMOUNT_RW
 	$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
 endef
 endif
 TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_REMOUNT_RW
 endif # BR2_INIT_BUSYBOX || BR2_INIT_SYSV

 endif # BR2_ROOTFS_SKELETON_DEFAULT

 $(eval $(generic-package))
	################################################################################
	#
	# skeleton
	#
	################################################################################

	# source included in buildroot
	SKELETON_SOURCE =

	# The skeleton can't depend on the toolchain, since all packages depends on the
	# skeleton and the toolchain is a target package, as is skeleton.
	# Hence, skeleton would depends on the toolchain and the toolchain would depend
	# on skeleton.
	SKELETON_ADD_TOOLCHAIN_DEPENDENCY = NO

	# The skeleton also handles the merged /usr case in the sysroot
	SKELETON_INSTALL_STAGING = YES

	ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)

	SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))

	ifeq ($(BR2_ROOTFS_MERGED_USR),y)

	# Ensure the user has prepared a merged /usr.
	#
	# Extract the inode numbers for all of those directories. In case any is
	# a symlink, we want to get the inode of the pointed-to directory, so we
	# append '/.' to be sure we get the target directory. Since the symlinks
	# can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
	# all of them.
	#
	SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
	SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
	SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
	SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
	SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
	SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)

	ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
	SKELETON_CUSTOM_NOT_MERGED_USR += /lib
	endif
	ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
	SKELETON_CUSTOM_NOT_MERGED_USR += /bin
	endif
	ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
	SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
	endif

	ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
	$(error Use of systemd as an init system requires a merged /usr. \
	However, the custom skeleton in $(SKELETON_PATH) is not \
	using a merged /usr for the following directories: \
	$(SKELETON_CUSTOM_NOT_MERGED_USR))
	endif

	endif # merged /usr

	else # ! custom skeleton

	SKELETON_PATH = system/skeleton

	endif # ! custom skeleton

	# This function handles the merged or non-merged /usr cases
	ifeq ($(BR2_ROOTFS_MERGED_USR),y)
	define SKELETON_USR_SYMLINKS_OR_DIRS
	ln -snf usr/bin $(1)/bin
	ln -snf usr/sbin $(1)/sbin
	ln -snf usr/lib $(1)/lib
	endef
	else
	define SKELETON_USR_SYMLINKS_OR_DIRS
	$(INSTALL) -d -m 0755 $(1)/bin
	$(INSTALL) -d -m 0755 $(1)/sbin
	$(INSTALL) -d -m 0755 $(1)/lib
	endef
	endif

	# We make a symlink lib32->lib or lib64->lib as appropriate
	# MIPS64/n32 requires lib32 even though it's a 64-bit arch.
	ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
	SKELETON_LIB_SYMLINK = lib64
	else
	SKELETON_LIB_SYMLINK = lib32
	endif

	define SKELETON_INSTALL_TARGET_CMDS
	rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
	--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
	$(SKELETON_PATH)/ $(TARGET_DIR)/
	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
	ln -snf lib $(TARGET_DIR)/$(SKELETON_LIB_SYMLINK)
	ln -snf lib $(TARGET_DIR)/usr/$(SKELETON_LIB_SYMLINK)
	$(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
	$(TARGET_DIR_WARNING_FILE)
	endef

	# For the staging dir, we don't really care about /bin and /sbin.
	# But for consistency with the target dir, and to simplify the code,
	# we still handle them for the merged or non-merged /usr cases.
	# Since the toolchain is not yet available, the staging is not yet
	# populated, so we need to create the directories in /usr
	define SKELETON_INSTALL_STAGING_CMDS
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
	$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include
	$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
	ln -snf lib $(STAGING_DIR)/$(SKELETON_LIB_SYMLINK)
	ln -snf lib $(STAGING_DIR)/usr/$(SKELETON_LIB_SYMLINK)
	endef

	SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
	SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
	SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
	SKELETON_TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
	SKELETON_TARGET_GENERIC_BIN_SH = $(call qstrip,$(BR2_SYSTEM_BIN_SH))
	SKELETON_TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
	SKELETON_TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
	SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
	SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))

	ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
	define SYSTEM_HOSTNAME
	mkdir -p $(TARGET_DIR)/etc
	echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
	$(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
	-e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
	endef
	TARGET_FINALIZE_HOOKS += SYSTEM_HOSTNAME
	endif

	ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
	define SYSTEM_ISSUE
	mkdir -p $(TARGET_DIR)/etc
	echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
	endef
	TARGET_FINALIZE_HOOKS += SYSTEM_ISSUE
	endif

	define SET_NETWORK_LOCALHOST
	( \
	echo "# interface file auto-generated by buildroot"; \
	echo ; \
	echo "auto lo"; \
	echo "iface lo inet loopback"; \
	) > $(TARGET_DIR)/etc/network/interfaces
	endef

	NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))

	ifneq ($(NETWORK_DHCP_IFACE),)
	define SET_NETWORK_DHCP
	( \
	echo ; \
	echo "auto $(NETWORK_DHCP_IFACE)"; \
	echo "iface $(NETWORK_DHCP_IFACE) inet dhcp"; \
	echo " pre-up /etc/network/nfs_check"; \
	echo " wait-delay 15"; \
	) >> $(TARGET_DIR)/etc/network/interfaces
	$(INSTALL) -m 0755 -D $(SKELETON_PKGDIR)/nfs_check \
	$(TARGET_DIR)/etc/network/nfs_check
	endef
	endif

	define SET_NETWORK
	mkdir -p $(TARGET_DIR)/etc/network/
	$(SET_NETWORK_LOCALHOST)
	$(SET_NETWORK_DHCP)
	endef

	TARGET_FINALIZE_HOOKS += SET_NETWORK

	# The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
	# default skeleton.
	ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)

	ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
	ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
	SYSTEM_ROOT_PASSWORD =
	else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
	SYSTEM_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
	else
	SKELETON_DEPENDENCIES += host-mkpasswd
	# This variable will only be evaluated in the finalize stage, so we can
	# be sure that host-mkpasswd will have already been built by that time.
	SYSTEM_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
	endif
	else # !BR2_TARGET_ENABLE_ROOT_LOGIN
	SYSTEM_ROOT_PASSWORD = "*"
	endif

	define SKELETON_SYSTEM_SET_ROOT_PASSWD
	$(SED) s,^root:[^:]*:,root:$(SYSTEM_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
	endef
	TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_SET_ROOT_PASSWD

	ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
	define SKELETON_SYSTEM_BIN_SH
	rm -f $(TARGET_DIR)/bin/sh
	endef
	else
	define SKELETON_SYSTEM_BIN_SH
	ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
	endef
	endif
	TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_BIN_SH

	ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
	ifeq ($(BR2_INIT_SYSV),y)
	# In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
	# skip the "tty" part and keep only the remaining.
	define SKELETON_SYSTEM_GETTY
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(SKELETON_TARGET_GENERIC_GETTY_PORT) \| tail -c+4)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
	$(TARGET_DIR)/etc/inittab
	endef
	else ifeq ($(BR2_INIT_BUSYBOX),y)
	# Add getty to busybox inittab
	define SKELETON_SYSTEM_GETTY
	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
	$(TARGET_DIR)/etc/inittab
	endef
	endif
	TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_GETTY
	endif

	ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
	ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
	# Find commented line, if any, and remove leading '#'s
	define SKELETON_SYSTEM_REMOUNT_RW
	$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
	endef
	else
	# Find uncommented line, if any, and add a leading '#'
	define SKELETON_SYSTEM_REMOUNT_RW
	$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
	endef
	endif
	TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_REMOUNT_RW
	endif # BR2_INIT_BUSYBOX \|\| BR2_INIT_SYSV

	endif # BR2_ROOTFS_SKELETON_DEFAULT

	$(eval $(generic-package))