Which usrland packages should be built for swapon, hostname,and grep?

["Steven Liu" <stevenliu@psdc.com>]

Hi All:

I am porting linux to mips r3000 now and need to build the following
files for the target board:
    /sbin/swapon,
   /bin/hostname,
   /bin/mount,
   /bin/grep.
Which usrland packages should I use for the above files?

Any help should be greatly appreciated.

Thank you.

Steven Liu