89 lines
2.8 KiB
Makefile
89 lines
2.8 KiB
Makefile
#############################################################
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#
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# cpio to archive target filesystem
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#
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#############################################################
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CPIO_BASE:=$(IMAGE).cpio
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CPIO_ROOTFS_COMPRESSOR:=
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CPIO_ROOTFS_COMPRESSOR_EXT:=
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CPIO_ROOTFS_COMPRESSOR_PREREQ:=
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ifeq ($(BR2_TARGET_ROOTFS_CPIO_GZIP),y)
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CPIO_ROOTFS_COMPRESSOR:=gzip -9 -c
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CPIO_ROOTFS_COMPRESSOR_EXT:=gz
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#CPIO_ROOTFS_COMPRESSOR_PREREQ:= gzip-host
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endif
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ifeq ($(BR2_TARGET_ROOTFS_CPIO_BZIP2),y)
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CPIO_ROOTFS_COMPRESSOR:=bzip2 -9 -c
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CPIO_ROOTFS_COMPRESSOR_EXT:=bz2
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#CPIO_ROOTFS_COMPRESSOR_PREREQ:= bzip2-host
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endif
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ifeq ($(BR2_TARGET_ROOTFS_CPIO_LZMA),y)
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CPIO_ROOTFS_COMPRESSOR:=lzma -9 -c
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CPIO_ROOTFS_COMPRESSOR_EXT:=lzma
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CPIO_ROOTFS_COMPRESSOR_PREREQ:= lzma-host
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endif
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ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
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CPIO_TARGET := $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT)
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else
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CPIO_TARGET := $(CPIO_BASE)
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endif
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ROOTFS_CPIO_COPYTO:=$(strip $(subst ",,$(BR2_TARGET_ROOTFS_CPIO_COPYTO)))
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# "))
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#
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cpioroot-init:
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rm -f $(TARGET_DIR)/init
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ln -s sbin/init $(TARGET_DIR)/init
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$(CPIO_BASE): host-fakeroot makedevs cpioroot-init
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# Use fakeroot to pretend all target binaries are owned by root
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rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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touch $(PROJECT_BUILD_DIR)/.fakeroot.00000
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cat $(PROJECT_BUILD_DIR)/.fakeroot* > $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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echo "chown -R 0:0 $(TARGET_DIR)" >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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ifneq ($(TARGET_DEVICE_TABLE),)
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# Use fakeroot to pretend to create all needed device nodes
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echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
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>> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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endif
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# Use fakeroot so tar believes the previous fakery
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echo "cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $(CPIO_BASE)" \
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>> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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chmod a+x $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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$(HOST_DIR)/usr/bin/fakeroot -- $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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#-@rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
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ifeq ($(CPIO_ROOTFS_COMPRESSOR),)
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ifneq ($(ROOTFS_CPIO_COPYTO),)
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$(Q)cp -f $(CPIO_BASE) $(ROOTFS_CPIO_COPYTO)
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endif
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endif
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ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
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$(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT): $(CPIO_ROOTFS_COMPRESSOR_PREREQ) $(CPIO_BASE)
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$(CPIO_ROOTFS_COMPRESSOR) $(CPIO_BASE) > $(CPIO_TARGET)
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ifneq ($(ROOTFS_CPIO_COPYTO),)
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$(Q)cp -f $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT) $(ROOTFS_CPIO_COPYTO).$(CPIO_ROOTFS_COMPRESSOR_EXT)
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endif
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endif
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cpioroot: $(CPIO_TARGET)
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cpioroot-source:
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cpioroot-clean:
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cpioroot-dirclean:
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#############################################################
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#
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# Toplevel Makefile options
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#
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#############################################################
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ifeq ($(BR2_TARGET_ROOTFS_CPIO),y)
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TARGETS+=cpioroot
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endif
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