238 lines
8.6 KiB
Makefile
238 lines
8.6 KiB
Makefile
################################################################################
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#
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# skeleton
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#
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################################################################################
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# source included in buildroot
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SKELETON_SOURCE =
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# The skeleton can't depend on the toolchain, since all packages depends on the
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# skeleton and the toolchain is a target package, as is skeleton.
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# Hence, skeleton would depends on the toolchain and the toolchain would depend
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# on skeleton.
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SKELETON_ADD_TOOLCHAIN_DEPENDENCY = NO
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# The skeleton also handles the merged /usr case in the sysroot
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SKELETON_INSTALL_STAGING = YES
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ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
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SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))
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ifeq ($(BR2_ROOTFS_MERGED_USR),y)
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# Ensure the user has prepared a merged /usr.
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#
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# Extract the inode numbers for all of those directories. In case any is
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# a symlink, we want to get the inode of the pointed-to directory, so we
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# append '/.' to be sure we get the target directory. Since the symlinks
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# can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
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# all of them.
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#
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SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
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SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
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SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
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SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
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SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
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SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)
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ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
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SKELETON_CUSTOM_NOT_MERGED_USR += /lib
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endif
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ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
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SKELETON_CUSTOM_NOT_MERGED_USR += /bin
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endif
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ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
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SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
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endif
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ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
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$(error Use of systemd as an init system requires a merged /usr. \
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However, the custom skeleton in $(SKELETON_PATH) is not \
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using a merged /usr for the following directories: \
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$(SKELETON_CUSTOM_NOT_MERGED_USR))
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endif
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endif # merged /usr
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else # ! custom skeleton
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SKELETON_PATH = system/skeleton
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endif # ! custom skeleton
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# This function handles the merged or non-merged /usr cases
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ifeq ($(BR2_ROOTFS_MERGED_USR),y)
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define SKELETON_USR_SYMLINKS_OR_DIRS
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ln -snf usr/bin $(1)/bin
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ln -snf usr/sbin $(1)/sbin
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ln -snf usr/lib $(1)/lib
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endef
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else
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define SKELETON_USR_SYMLINKS_OR_DIRS
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$(INSTALL) -d -m 0755 $(1)/bin
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$(INSTALL) -d -m 0755 $(1)/sbin
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$(INSTALL) -d -m 0755 $(1)/lib
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endef
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endif
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define SKELETON_INSTALL_TARGET_CMDS
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rsync -a --ignore-times $(SYNC_VCS_EXCLUSIONS) \
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--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
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$(SKELETON_PATH)/ $(TARGET_DIR)/
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$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
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ln -snf lib $(TARGET_DIR)/$(LIB_SYMLINK)
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ln -snf lib $(TARGET_DIR)/usr/$(LIB_SYMLINK)
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$(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
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$(TARGET_DIR_WARNING_FILE)
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endef
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# For the staging dir, we don't really care about /bin and /sbin.
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# But for consistency with the target dir, and to simplify the code,
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# we still handle them for the merged or non-merged /usr cases.
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# Since the toolchain is not yet available, the staging is not yet
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# populated, so we need to create the directories in /usr
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define SKELETON_INSTALL_STAGING_CMDS
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$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
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$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
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$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
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$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include
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$(call SKELETON_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
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ln -snf lib $(STAGING_DIR)/$(LIB_SYMLINK)
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ln -snf lib $(STAGING_DIR)/usr/$(LIB_SYMLINK)
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endef
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SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
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SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
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SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))
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SKELETON_TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD))
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SKELETON_TARGET_GENERIC_BIN_SH = $(call qstrip,$(BR2_SYSTEM_BIN_SH))
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SKELETON_TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
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SKELETON_TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
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SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
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SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))
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ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
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define SYSTEM_HOSTNAME
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mkdir -p $(TARGET_DIR)/etc
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echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
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$(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
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-e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
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endef
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TARGET_FINALIZE_HOOKS += SYSTEM_HOSTNAME
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endif
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ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
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define SYSTEM_ISSUE
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mkdir -p $(TARGET_DIR)/etc
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echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
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endef
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TARGET_FINALIZE_HOOKS += SYSTEM_ISSUE
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endif
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define SET_NETWORK_LOCALHOST
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( \
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echo "# interface file auto-generated by buildroot"; \
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echo ; \
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echo "auto lo"; \
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echo "iface lo inet loopback"; \
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) > $(TARGET_DIR)/etc/network/interfaces
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endef
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NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
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ifneq ($(NETWORK_DHCP_IFACE),)
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define SET_NETWORK_DHCP
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( \
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echo ; \
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echo "auto $(NETWORK_DHCP_IFACE)"; \
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echo "iface $(NETWORK_DHCP_IFACE) inet dhcp"; \
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echo " pre-up /etc/network/nfs_check"; \
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echo " wait-delay 15"; \
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) >> $(TARGET_DIR)/etc/network/interfaces
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$(INSTALL) -m 0755 -D $(SKELETON_PKGDIR)/nfs_check \
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$(TARGET_DIR)/etc/network/nfs_check
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endef
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endif
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define SET_NETWORK
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mkdir -p $(TARGET_DIR)/etc/network/
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$(SET_NETWORK_LOCALHOST)
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$(SET_NETWORK_DHCP)
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endef
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TARGET_FINALIZE_HOOKS += SET_NETWORK
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# The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
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# default skeleton.
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ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
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ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
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ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
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SYSTEM_ROOT_PASSWORD =
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else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
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SYSTEM_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
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else
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SKELETON_DEPENDENCIES += host-mkpasswd
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# This variable will only be evaluated in the finalize stage, so we can
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# be sure that host-mkpasswd will have already been built by that time.
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SYSTEM_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
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endif
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else # !BR2_TARGET_ENABLE_ROOT_LOGIN
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SYSTEM_ROOT_PASSWORD = "*"
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endif
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define SKELETON_SYSTEM_SET_ROOT_PASSWD
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$(SED) s,^root:[^:]*:,root:$(SYSTEM_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
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endef
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TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_SET_ROOT_PASSWD
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ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
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define SKELETON_SYSTEM_BIN_SH
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rm -f $(TARGET_DIR)/bin/sh
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endef
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else
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define SKELETON_SYSTEM_BIN_SH
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ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
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endef
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endif
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TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_BIN_SH
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ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
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ifeq ($(BR2_INIT_SYSV),y)
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# In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
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# skip the "tty" part and keep only the remaining.
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define SKELETON_SYSTEM_GETTY
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$(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) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
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$(TARGET_DIR)/etc/inittab
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endef
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else ifeq ($(BR2_INIT_BUSYBOX),y)
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# Add getty to busybox inittab
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define SKELETON_SYSTEM_GETTY
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$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
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$(TARGET_DIR)/etc/inittab
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endef
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endif
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TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_GETTY
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endif
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ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
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ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
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# Find commented line, if any, and remove leading '#'s
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define SKELETON_SYSTEM_REMOUNT_RW
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$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
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endef
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else
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# Find uncommented line, if any, and add a leading '#'
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define SKELETON_SYSTEM_REMOUNT_RW
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$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
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endef
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endif
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TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_REMOUNT_RW
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endif # BR2_INIT_BUSYBOX || BR2_INIT_SYSV
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endif # BR2_ROOTFS_SKELETON_DEFAULT
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$(eval $(generic-package))
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