mirror of
git://git.openwrt.org/openwrt/openwrt.git
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ce5dd3b9e2
xz supports using an architecture specific BCJ filter, use that one to save us a couple kB while producing squashfs filesystems (mimics the Linux kernel). Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 35097
218 lines
5.7 KiB
Makefile
218 lines
5.7 KiB
Makefile
#
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# Copyright (C) 2006-2010 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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override TARGET_BUILD=
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include $(INCLUDE_DIR)/prereq.mk
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include $(INCLUDE_DIR)/kernel.mk
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include $(INCLUDE_DIR)/host.mk
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.NOTPARALLEL:
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override MAKEFLAGS=
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override MAKE:=$(SUBMAKE)
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KDIR=$(KERNEL_BUILD_DIR)
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IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
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ifneq ($(CONFIG_BIG_ENDIAN),)
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JFFS2OPTS := --pad --big-endian --squash-uids -v
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else
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JFFS2OPTS := --pad --little-endian --squash-uids -v
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endif
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ifeq ($(CONFIG_JFFS2_RTIME),y)
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JFFS2OPTS += -X rtime
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endif
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ifeq ($(CONFIG_JFFS2_ZLIB),y)
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JFFS2OPTS += -X zlib
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endif
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ifeq ($(CONFIG_JFFS2_LZMA),y)
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JFFS2OPTS += -X lzma --compression-mode=size
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endif
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ifneq ($(CONFIG_JFFS2_RTIME),y)
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JFFS2OPTS += -x rtime
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endif
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ifneq ($(CONFIG_JFFS2_ZLIB),y)
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JFFS2OPTS += -x zlib
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endif
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ifneq ($(CONFIG_JFFS2_LZMA),y)
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JFFS2OPTS += -x lzma
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endif
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SQUASHFS_BLOCKSIZE := 256k
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SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
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SQUASHFSCOMP := gzip
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LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
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ifeq ($(CONFIG_SQUASHFS_LZMA),y)
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SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
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endif
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ifeq ($(CONFIG_SQUASHFS_XZ),y)
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ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
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BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
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endif
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SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
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endif
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JFFS2_BLOCKSIZE ?= 64k 128k
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define add_jffs2_mark
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echo -ne '\xde\xad\xc0\xde' >> $(1)
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endef
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# pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
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define prepare_generic_squashfs
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$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
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endef
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ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
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define Image/BuildKernel
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cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
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$(call Image/Build/Initramfs)
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endef
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else
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ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
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define Image/mkfs/jffs2/sub
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# FIXME: removing this line will cause strange behaviour in the foreach loop below
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$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
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$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
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$(call Image/Build,jffs2-$(1))
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endef
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define Image/mkfs/jffs2
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$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
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endef
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
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define Image/mkfs/squashfs
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@mkdir -p $(TARGET_DIR)/overlay
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$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
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$(call Image/Build,squashfs)
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endef
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
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define Image/mkfs/ubifs
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$(CP) ./ubinize.cfg $(KDIR)
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$(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
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(cd $(KDIR); \
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$(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
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$(call Image/Build,ubi)
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endef
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endif
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
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define Image/mkfs/cpiogz
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( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
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endef
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
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define Image/mkfs/targz
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# Preserve permissions (-p) when building as non-root user
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$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
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endef
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
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E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
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define Image/mkfs/ext4
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# generate an ext2 fs
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$(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT)
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# convert it to ext4
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$(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
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# fix it up
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$(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
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$(call Image/Build,ext4)
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endef
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endif
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ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
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define Image/mkfs/iso
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$(call Image/Build,iso)
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endef
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endif
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define Image/mkfs/prepare/default
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# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
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- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
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- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
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- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
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$(INSTALL_DIR) $(TARGET_DIR)/tmp
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chmod 1777 $(TARGET_DIR)/tmp
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endef
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define Image/mkfs/prepare
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$(call Image/mkfs/prepare/default)
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endef
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define Image/Checksum
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( cd ${BIN_DIR} ; \
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$(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
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md5sum --binary > md5sums \
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)
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endef
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define BuildImage
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download:
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prepare:
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ifeq ($(IB),)
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compile: compile-targets FORCE
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$(call Build/Compile)
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else
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compile:
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endif
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ifeq ($(IB),)
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install: compile install-targets FORCE
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$(call Image/Prepare)
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$(call Image/mkfs/prepare)
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$(call Image/BuildKernel)
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$(call Image/mkfs/cpiogz)
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$(call Image/mkfs/targz)
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$(call Image/mkfs/ext4)
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$(call Image/mkfs/iso)
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$(call Image/mkfs/jffs2)
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$(call Image/mkfs/squashfs)
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$(call Image/mkfs/ubifs)
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$(call Image/Checksum)
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else
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install: compile install-targets
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$(call Image/BuildKernel)
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$(call Image/mkfs/cpiogz)
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$(call Image/mkfs/targz)
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$(call Image/mkfs/ext4)
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$(call Image/mkfs/iso)
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$(call Image/mkfs/jffs2)
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$(call Image/mkfs/squashfs)
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$(call Image/mkfs/ubifs)
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$(call Image/Checksum)
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endif
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ifeq ($(IB),)
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clean: clean-targets
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$(call Build/Clean)
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else
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clean:
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endif
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compile-targets:
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install-targets:
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clean-targets:
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endef
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