linuxOS_AP06/buildroot/fs/ubifs/ubifs.mk

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2025-06-03 04:28:32 +00:00
################################################################################
#
# Build the ubifs root filesystem image
#
################################################################################
ifeq ($(BR2_TARGET_ROOTFS_UBIFS_MAX_SIZE),0)
UBIFS_MAXLEBCNT = $(BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT)
else
UBIFS_LEBSIZE = $(shell printf "%d" $(BR2_TARGET_ROOTFS_UBIFS_LEBSIZE))
UBIFS_MAX_SIZE = $(shell echo "$(BR2_TARGET_ROOTFS_UBIFS_MAX_SIZE)*1024" | bc)
UBIFS_MAXLEBCNT = $(shell echo "$(UBIFS_MAX_SIZE)*1024/$(UBIFS_LEBSIZE)" | bc)
endif
UBIFS_OPTS = \
-e $(BR2_TARGET_ROOTFS_UBIFS_LEBSIZE) \
-c $(UBIFS_MAXLEBCNT) \
-m $(BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE)
ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_ZLIB),y)
UBIFS_OPTS += -x zlib
endif
ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_LZO),y)
UBIFS_OPTS += -x lzo
endif
ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_NONE),y)
UBIFS_OPTS += -x none
endif
UBIFS_OPTS += $(call qstrip,$(BR2_TARGET_ROOTFS_UBIFS_OPTS))
ROOTFS_UBIFS_DEPENDENCIES = host-mtd
define ROOTFS_UBIFS_CMD
$(HOST_DIR)/sbin/mkfs.ubifs -d $(TARGET_DIR) $(UBIFS_OPTS) -o $@
endef
$(eval $(rootfs))