Olimex LPC2478-STK Board Make "genromfs command not found"

Hi:

Last week, I bought a LPC2478-STK board, when I commpiler the uclinux, the make

have a error, just like"genromfs command not found"!

I use tab key in the shell ,“gen (+ Tab)”, I found “gencat”, "genext2fs"and so on,But

couldn`t have “genromfs” command in the shell display,

what`s the proplem,How Can I do?

Thanks!