RAM file system

Hi all,

I was searching for a very minimal file system (approx 5mb size) for BeagleBoard. I found a very minimal file system in following link and this is what I am searching for .
BusyBox (ramdisk) File System
https://code.google.com/p/beagleboard/wiki/BeagleSourceCode [beagleboard.googlecode.com/files/rd-ext2-8M.bin]

I want to add ubiattch binary to this file system . but i dont have compiler and library files used for building this file system . This file system contains loader “ld-2.5.so”.
, but latest compiler that is installed in my PC having loader “ld-2.15.so”. I am unable to add any additional binary to this file system .

Please help me

Thanks and regards
Gokul CG