[ELDK] eldk4.2 can't build bubox whith ubiattach enable

[zzs]

The flowwing message appear when I build busybox (with ubiattach and
ubidetach enabled) 1.18.0

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  CC      miscutils/ubi_attach_detach.o
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c: In function 'ubi_attach_detach_main':
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:56: error: storage size of 'req' isn't known
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:59: error: 'UBI_DEV_NUM_AUTO' undeclared (first use in this function)
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:59: error: (Each undeclared identifier is reported only once
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:59: error: for each function it appears in.)
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:78: error: 'UBI_IOCATT' undeclared (first use in this function)
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:83: error: 'UBI_IOCDET' undeclared (first use in this function)
/home/zzs/work/repos/busybox/miscutils/ubi_attach_detach.c:56: warning: unused variable 'req'
make[2]: *** [miscutils/ubi_attach_detach.o] Error 1
make[1]: *** [miscutils] Error 2
make: *** [all] Error 2
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I google it, and get some info : it seems the header files in eldk4.2 are too old.

Any suggestion ?

Thanks

-- 
Best Regards,
zzs