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path: root/fs/cpio/cpio.mk
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#############################################################
#
# cpio to archive target filesystem
#
#############################################################

ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)

define ROOTFS_CPIO_ADD_INIT
        if [ ! -e $(TARGET_DIR)/init ]; then \
                ln -sf sbin/init $(TARGET_DIR)/init; \
        fi
endef

else
# devtmpfs does not get automounted when initramfs is used.
# Add a pre-init script to mount it before running init
define ROOTFS_CPIO_ADD_INIT
        if [ ! -e $(TARGET_DIR)/init ]; then \
                $(INSTALL) -m 0755 fs/cpio/init $(TARGET_DIR)/init; \
        fi
endef

endif # BR2_ROOTFS_DEVICE_CREATION_STATIC

ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_ADD_INIT

define ROOTFS_CPIO_CMD
	cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $$@
endef

$(eval $(call ROOTFS_TARGET,cpio))