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buildroot/buildroot-2016.08.1/fs/ext2/ext2.mk 1.48 KB
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  ################################################################################
  #
  # Build the ext2 root filesystem image
  #
  ################################################################################
  
  EXT2_OPTS = -G $(BR2_TARGET_ROOTFS_EXT2_GEN) -R $(BR2_TARGET_ROOTFS_EXT2_REV)
  
  ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
  EXT2_OPTS += -b $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)
  endif
  EXT2_OPTS += -B $(BR2_TARGET_ROOTFS_EXT2_EXTRA_BLOCKS)
  
  ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)),0)
  EXT2_OPTS += -i $(BR2_TARGET_ROOTFS_EXT2_INODES)
  endif
  EXT2_OPTS += -I $(BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES)
  
  ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),0)
  EXT2_OPTS += -r $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)
  endif
  
  # Not qstrip-ing the variable, because it may contain spaces, but we must
  # qstrip it when checking. Furthermore, we need to further quote it, so
  # that the quotes do not get eaten by the echo statement when creating the
  # fakeroot script
  ifneq ($(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_LABEL)),)
  EXT2_OPTS += -l '$(BR2_TARGET_ROOTFS_EXT2_LABEL)'
  endif
  
  ROOTFS_EXT2_DEPENDENCIES = host-mke2img
  
  define ROOTFS_EXT2_CMD
  	PATH=$(BR_PATH) mke2img -d $(TARGET_DIR) $(EXT2_OPTS) -o $@
  endef
  
  rootfs-ext2-symlink:
  	ln -sf rootfs.ext2$(ROOTFS_EXT2_COMPRESS_EXT) $(BINARIES_DIR)/rootfs.ext$(BR2_TARGET_ROOTFS_EXT2_GEN)$(ROOTFS_EXT2_COMPRESS_EXT)
  
  .PHONY: rootfs-ext2-symlink
  
  ifneq ($(BR2_TARGET_ROOTFS_EXT2_GEN),2)
  ROOTFS_EXT2_POST_TARGETS += rootfs-ext2-symlink
  endif
  
  $(eval $(call ROOTFS_TARGET,ext2))