using ubi on u-boot compiling issues

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if you are adding support to ubifs on u-boot, you must add some ?include/configs/<CONFIG>.h

?#define CONFIG_CMD_UBI #define CONFIG_CMD_UBIFS #define CONFIG_RBTREE #define CONFIG_LZO

/uboot-imx/fs/ubifs/tnc.c:105: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(orphan.o): In function `insert_dead_orphan': /uboot-imx/fs/ubifs/orphan.c:129: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(recovery.o): In function `add_ino': /uboot-imx/fs/ubifs/recovery.c:1050: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(recovery.o): In function `remove_ino': /uboot-imx/fs/ubifs/recovery.c:1088: undefined reference to `rb_erase' fs/ubifs/libubifs.a(recovery.o): In function `ubifs_recover_size': /uboot-imx/fs/ubifs/recovery.c:1171: undefined reference to `rb_first' /uboot-imx/fs/ubifs/recovery.c:1214: undefined reference to `rb_next' /uboot-imx/fs/ubifs/recovery.c:1220: undefined reference to `rb_next' /uboot-imx/fs/ubifs/recovery.c:1221: undefined reference to `rb_erase' fs/ubifs/libubifs.a(replay.o): In function `insert_node': /uboot-imx/fs/ubifs/replay.c:373: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(replay.o): In function `insert_dent': /uboot-imx/fs/ubifs/replay.c:448: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(replay.o): In function `insert_ref_node': /uboot-imx/fs/ubifs/replay.c:689: undefined reference to `rb_insert_color' fs/ubifs/libubifs.a(replay.o): In function `apply_replay_tree': /uboot-imx/fs/ubifs/replay.c:306: undefined reference to `rb_next' /uboot-imx/fs/ubifs/replay.c:294: undefined reference to `rb_first'

obs.: probably you will need add MTD part support too :)