target/cpio/cpioroot.mk

   1 #############################################################
   2 #
   3 # cpio to archive target filesystem
   4 #
   5 #############################################################
   6
   7 CPIO_BASE:=$(IMAGE).cpio
   8
   9 CPIO_ROOTFS_COMPRESSOR:=
  10 CPIO_ROOTFS_COMPRESSOR_EXT:=
  11 CPIO_ROOTFS_COMPRESSOR_PREREQ:=
  12 ifeq ($(BR2_TARGET_ROOTFS_CPIO_GZIP),y)
  13 CPIO_ROOTFS_COMPRESSOR:=gzip -9 -c
  14 CPIO_ROOTFS_COMPRESSOR_EXT:=gz
  15 #CPIO_ROOTFS_COMPRESSOR_PREREQ:= gzip-host
  16 endif
  17 ifeq ($(BR2_TARGET_ROOTFS_CPIO_BZIP2),y)
  18 CPIO_ROOTFS_COMPRESSOR:=bzip2 -9 -c
  19 CPIO_ROOTFS_COMPRESSOR_EXT:=bz2
  20 #CPIO_ROOTFS_COMPRESSOR_PREREQ:= bzip2-host
  21 endif
  22 ifeq ($(BR2_TARGET_ROOTFS_CPIO_LZMA),y)
  23 CPIO_ROOTFS_COMPRESSOR:=lzma -9 -c
  24 CPIO_ROOTFS_COMPRESSOR_EXT:=lzma
  25 CPIO_ROOTFS_COMPRESSOR_PREREQ:= lzma-host
  26 endif
  27
  28 ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
  29 CPIO_TARGET := $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT)
  30 else
  31 CPIO_TARGET := $(CPIO_BASE)
  32 endif
  33
  34 ROOTFS_CPIO_COPYTO:=$(strip $(subst ",,$(BR2_TARGET_ROOTFS_CPIO_COPYTO)))
  35 # "))
  36 #
  37
  38 cpioroot-init:
  39         rm -f $(TARGET_DIR)/init
  40         ln -s sbin/init $(TARGET_DIR)/init
  41
  42 $(CPIO_BASE): host-fakeroot makedevs cpioroot-init
  43         # Use fakeroot to pretend all target binaries are owned by root
  44         rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  45         touch $(PROJECT_BUILD_DIR)/.fakeroot.00000
  46         cat $(PROJECT_BUILD_DIR)/.fakeroot* > $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  47         echo "chown -R 0:0 $(TARGET_DIR)" >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  48 ifneq ($(TARGET_DEVICE_TABLE),)
  49         # Use fakeroot to pretend to create all needed device nodes
  50         echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
  51                 >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  52 endif
  53         # Use fakeroot so tar believes the previous fakery
  54         echo "cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $(CPIO_BASE)" \
  55                 >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  56         chmod a+x $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  57         $(HOST_DIR)/usr/bin/fakeroot -- $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  58         #-@rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(CPIO_BASE))
  59 ifeq ($(CPIO_ROOTFS_COMPRESSOR),)
  60 ifneq ($(ROOTFS_CPIO_COPYTO),)
  61         $(Q)cp -f $(CPIO_BASE) $(ROOTFS_CPIO_COPYTO)
  62 endif
  63 endif
  64
  65 ifneq ($(CPIO_ROOTFS_COMPRESSOR),)
  66 $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT): $(CPIO_ROOTFS_COMPRESSOR_PREREQ) $(CPIO_BASE)
  67         $(CPIO_ROOTFS_COMPRESSOR) $(CPIO_BASE) > $(CPIO_TARGET)
  68 ifneq ($(ROOTFS_CPIO_COPYTO),)
  69         $(Q)cp -f $(CPIO_BASE).$(CPIO_ROOTFS_COMPRESSOR_EXT) $(ROOTFS_CPIO_COPYTO).$(CPIO_ROOTFS_COMPRESSOR_EXT)
  70 endif
  71 endif
  72
  73 cpioroot: $(CPIO_TARGET)
  74
  75 cpioroot-source:
  76
  77 cpioroot-clean:
  78
  79 cpioroot-dirclean:
  80
  81 #############################################################
  82 #
  83 # Toplevel Makefile options
  84 #
  85 #############################################################
  86 ifeq ($(BR2_TARGET_ROOTFS_CPIO),y)
  87 TARGETS+=cpioroot
  88 endif