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4bc4dbd630
The fakeroot script does not appear to be used in any of the checked
in defconfig targets, but it seems that most often the post
fakeroot script should be done after all the packages rules have
been applied instead of before.
Given that a change in systemd moved the SYSTEMD_PRESET_ALL hook to
a ROOTFS_PRE_CMD_HOOKS, there was no way to use a FAKEROOT script
to disable a service or fixup a systemd configuration. The systemd
move makes sense, and this just tries to preserve the same ability
to fixup a rootfs after all the cmd hooks are processed.
Refer to commit 65b63785a6 for
the change that instigated this reordering.
Signed-off-by: Charles Hardin <ckhardin@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
223 lines
7.8 KiB
Makefile
223 lines
7.8 KiB
Makefile
#
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# Macro that builds the needed Makefile target to create a root
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# filesystem image.
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#
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# The following variable must be defined before calling this macro
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#
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# ROOTFS_$(FSTYPE)_CMD, the command that generates the root
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# filesystem image. A single command is allowed. The filename of the
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# filesystem image that it must generate is $$@.
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#
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# The following variables can optionaly be defined
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#
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# ROOTFS_$(FSTYPE)_DEPENDENCIES, the list of dependencies needed to
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# build the root filesystem (usually host tools)
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#
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# ROOTFS_$(FSTYPE)_PRE_GEN_HOOKS, a list of hooks to call before
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# generating the filesystem image
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#
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# ROOTFS_$(FSTYPE)_POST_GEN_HOOKS, a list of hooks to call after
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# generating the filesystem image
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#
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# In terms of configuration option, this macro assumes that the
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# BR2_TARGET_ROOTFS_$(FSTYPE) config option allows to enable/disable
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# the generation of a filesystem image of a particular type. If
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# the configuration options BR2_TARGET_ROOTFS_$(FSTYPE)_GZIP,
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# BR2_TARGET_ROOTFS_$(FSTYPE)_BZIP2 or
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# BR2_TARGET_ROOTFS_$(FSTYPE)_LZMA exist and are enabled, then the
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# macro will automatically generate a compressed filesystem image.
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FS_DIR = $(BUILD_DIR)/buildroot-fs
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ROOTFS_DEVICE_TABLES = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE) \
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$(BR2_ROOTFS_STATIC_DEVICE_TABLE))
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ROOTFS_USERS_TABLES = $(call qstrip,$(BR2_ROOTFS_USERS_TABLES))
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ROOTFS_FULL_DEVICES_TABLE = $(FS_DIR)/full_devices_table.txt
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ROOTFS_FULL_USERS_TABLE = $(FS_DIR)/full_users_table.txt
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ROOTFS_COMMON_NAME = rootfs-common
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ROOTFS_COMMON_TYPE = rootfs
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ROOTFS_COMMON_DEPENDENCIES = \
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host-fakeroot host-makedevs \
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$(BR2_TAR_HOST_DEPENDENCY) \
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$(if $(PACKAGES_USERS)$(ROOTFS_USERS_TABLES),host-mkpasswd)
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ifeq ($(BR2_REPRODUCIBLE),y)
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define ROOTFS_REPRODUCIBLE
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find $(TARGET_DIR) -print0 | xargs -0 -r touch -hd @$(SOURCE_DATE_EPOCH)
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endef
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endif
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ifeq ($(BR2_PACKAGE_REFPOLICY),y)
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define ROOTFS_SELINUX
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$(HOST_DIR)/sbin/setfiles -m -r $(TARGET_DIR) \
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-c $(TARGET_DIR)/etc/selinux/targeted/policy/policy.$(BR2_PACKAGE_LIBSEPOL_POLICY_VERSION) \
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$(TARGET_DIR)/etc/selinux/targeted/contexts/files/file_contexts \
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$(TARGET_DIR)
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endef
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ROOTFS_COMMON_DEPENDENCIES += host-policycoreutils
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endif
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ROOTFS_COMMON_FINAL_RECURSIVE_DEPENDENCIES = $(sort \
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$(if $(filter undefined,$(origin ROOTFS_COMMON_FINAL_RECURSIVE_DEPENDENCIES__X)), \
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$(eval ROOTFS_COMMON_FINAL_RECURSIVE_DEPENDENCIES__X := \
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$(foreach p, \
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$(ROOTFS_COMMON_DEPENDENCIES), \
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$(p) \
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$($(call UPPERCASE,$(p))_FINAL_RECURSIVE_DEPENDENCIES) \
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) \
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) \
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) \
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$(ROOTFS_COMMON_FINAL_RECURSIVE_DEPENDENCIES__X))
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.PHONY: rootfs-common
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rootfs-common: $(ROOTFS_COMMON_DEPENDENCIES) target-finalize
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@$(call MESSAGE,"Generating root filesystems common tables")
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rm -rf $(FS_DIR)
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mkdir -p $(FS_DIR)
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$(call PRINTF,$(PACKAGES_USERS)) >> $(ROOTFS_FULL_USERS_TABLE)
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ifneq ($(ROOTFS_USERS_TABLES),)
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cat $(ROOTFS_USERS_TABLES) >> $(ROOTFS_FULL_USERS_TABLE)
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endif
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$(call PRINTF,$(PACKAGES_PERMISSIONS_TABLE)) > $(ROOTFS_FULL_DEVICES_TABLE)
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ifneq ($(ROOTFS_DEVICE_TABLES),)
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cat $(ROOTFS_DEVICE_TABLES) >> $(ROOTFS_FULL_DEVICES_TABLE)
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endif
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ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
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$(call PRINTF,$(PACKAGES_DEVICES_TABLE)) >> $(ROOTFS_FULL_DEVICES_TABLE)
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endif
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rootfs-common-show-depends:
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@echo $(ROOTFS_COMMON_DEPENDENCIES)
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.PHONY: rootfs-common-show-info
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rootfs-common-show-info:
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@:
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$(info $(call clean-json,{ $(call json-info,ROOTFS_COMMON) }))
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# Since this function will be called from within an $(eval ...)
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# all variable references except the arguments must be $$-quoted.
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define inner-rootfs
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ROOTFS_$(2)_NAME = rootfs-$(1)
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ROOTFS_$(2)_TYPE = rootfs
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ROOTFS_$(2)_IMAGE_NAME ?= rootfs.$(1)
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ROOTFS_$(2)_FINAL_IMAGE_NAME = $$(strip $$(ROOTFS_$(2)_IMAGE_NAME))
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ROOTFS_$(2)_DIR = $$(FS_DIR)/$(1)
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ROOTFS_$(2)_TARGET_DIR = $$(ROOTFS_$(2)_DIR)/target
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ROOTFS_$(2)_DEPENDENCIES += rootfs-common
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ROOTFS_$(2)_FINAL_RECURSIVE_DEPENDENCIES = $$(sort \
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$$(if $$(filter undefined,$$(origin ROOTFS_$(2)_FINAL_RECURSIVE_DEPENDENCIES__X)), \
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$$(eval ROOTFS_$(2)_FINAL_RECURSIVE_DEPENDENCIES__X := \
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$$(foreach p, \
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$$(ROOTFS_$(2)_DEPENDENCIES), \
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$$(p) \
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$$($$(call UPPERCASE,$$(p))_FINAL_RECURSIVE_DEPENDENCIES) \
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) \
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) \
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) \
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$$(ROOTFS_$(2)_FINAL_RECURSIVE_DEPENDENCIES__X))
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_GZIP),y)
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ROOTFS_$(2)_COMPRESS_EXT = .gz
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ROOTFS_$(2)_COMPRESS_CMD = gzip -9 -c -n
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endif
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_BZIP2),y)
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ROOTFS_$(2)_COMPRESS_EXT = .bz2
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ROOTFS_$(2)_COMPRESS_CMD = bzip2 -9 -c
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endif
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZMA),y)
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ROOTFS_$(2)_DEPENDENCIES += host-lzma
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ROOTFS_$(2)_COMPRESS_EXT = .lzma
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ROOTFS_$(2)_COMPRESS_CMD = $$(LZMA) -9 -c
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endif
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZ4),y)
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ROOTFS_$(2)_DEPENDENCIES += host-lz4
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ROOTFS_$(2)_COMPRESS_EXT = .lz4
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ROOTFS_$(2)_COMPRESS_CMD = lz4 -l -9 -c
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endif
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZO),y)
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ROOTFS_$(2)_DEPENDENCIES += host-lzop
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ROOTFS_$(2)_COMPRESS_EXT = .lzo
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ROOTFS_$(2)_COMPRESS_CMD = $$(LZOP) -9 -c
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endif
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)_XZ),y)
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ROOTFS_$(2)_DEPENDENCIES += host-xz
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ROOTFS_$(2)_COMPRESS_EXT = .xz
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ROOTFS_$(2)_COMPRESS_CMD = xz -9 -C crc32 -c
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ifeq ($(BR2_REPRODUCIBLE),)
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ROOTFS_$(2)_COMPRESS_CMD += -T $(PARALLEL_JOBS)
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endif
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endif
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$$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME): ROOTFS=$(2)
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$$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME): FAKEROOT_SCRIPT=$$(ROOTFS_$(2)_DIR)/fakeroot
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$$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME): $$(ROOTFS_$(2)_DEPENDENCIES)
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@$$(call MESSAGE,"Generating filesystem image $$(ROOTFS_$(2)_FINAL_IMAGE_NAME)")
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mkdir -p $$(@D)
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rm -rf $$(ROOTFS_$(2)_DIR)
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mkdir -p $$(ROOTFS_$(2)_DIR)
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rsync -auH \
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--exclude=/$$(notdir $$(TARGET_DIR_WARNING_FILE)) \
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$$(BASE_TARGET_DIR)/ \
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$$(TARGET_DIR)
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echo '#!/bin/sh' > $$(FAKEROOT_SCRIPT)
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echo "set -e" >> $$(FAKEROOT_SCRIPT)
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echo "chown -h -R 0:0 $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
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PATH=$$(BR_PATH) $$(TOPDIR)/support/scripts/mkusers $$(ROOTFS_FULL_USERS_TABLE) $$(TARGET_DIR) >> $$(FAKEROOT_SCRIPT)
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echo "$$(HOST_DIR)/bin/makedevs -d $$(ROOTFS_FULL_DEVICES_TABLE) $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
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$$(foreach hook,$$(ROOTFS_PRE_CMD_HOOKS),\
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$$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
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$$(foreach s,$$(call qstrip,$$(BR2_ROOTFS_POST_FAKEROOT_SCRIPT)),\
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echo "echo '$$(TERM_BOLD)>>> Executing fakeroot script $$(s)$$(TERM_RESET)'" >> $$(FAKEROOT_SCRIPT); \
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echo $$(EXTRA_ENV) $$(s) $$(TARGET_DIR) $$(BR2_ROOTFS_POST_SCRIPT_ARGS) >> $$(FAKEROOT_SCRIPT)$$(sep))
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$$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),\
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$$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
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$$(call PRINTF,$$(ROOTFS_REPRODUCIBLE)) >> $$(FAKEROOT_SCRIPT)
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$$(call PRINTF,$$(ROOTFS_SELINUX)) >> $$(FAKEROOT_SCRIPT)
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$$(call PRINTF,$$(ROOTFS_$(2)_CMD)) >> $$(FAKEROOT_SCRIPT)
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chmod a+x $$(FAKEROOT_SCRIPT)
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PATH=$$(BR_PATH) FAKEROOTDONTTRYCHOWN=1 $$(HOST_DIR)/bin/fakeroot -- $$(FAKEROOT_SCRIPT)
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$(Q)rm -rf $$(TARGET_DIR)
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ifneq ($$(ROOTFS_$(2)_COMPRESS_CMD),)
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PATH=$$(BR_PATH) $$(ROOTFS_$(2)_COMPRESS_CMD) $$@ > $$@$$(ROOTFS_$(2)_COMPRESS_EXT)
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endif
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$$(foreach hook,$$(ROOTFS_$(2)_POST_GEN_HOOKS),$$(call $$(hook))$$(sep))
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rootfs-$(1)-show-depends:
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@echo $$(ROOTFS_$(2)_DEPENDENCIES)
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rootfs-$(1)-show-info:
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@:
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$$(info $$(call clean-json,{ $$(call json-info,ROOTFS_$(2)) }))
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rootfs-$(1): $$(BINARIES_DIR)/$$(ROOTFS_$(2)_FINAL_IMAGE_NAME)
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.PHONY: rootfs-$(1) rootfs-$(1)-show-depends rootfs-$(1)-show-info
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ifeq ($$(BR2_TARGET_ROOTFS_$(2)),y)
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TARGETS_ROOTFS += rootfs-$(1)
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PACKAGES += $$(filter-out rootfs-%,$$(ROOTFS_$(2)_FINAL_RECURSIVE_DEPENDENCIES))
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endif
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# Check for legacy POST_TARGETS rules
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ifneq ($$(ROOTFS_$(2)_POST_TARGETS),)
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$$(error Filesystem $(1) uses post-target rules, which are no longer supported.\
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Update $(1) to use post-gen hooks instead)
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endif
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endef
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# $(pkgname) also works well to return the filesystem name
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rootfs = $(call inner-rootfs,$(pkgname),$(call UPPERCASE,$(pkgname)))
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include $(sort $(wildcard fs/*/*.mk))
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