adding disman-ping -mib

Hi,

I want to add disman-ping-mib in netsnmp-5.2 package, code is
available under agent /disman.ping directory.
Can anyone tell me what changes require to add this Mib .

I have made some changes in agent makefile n configuration and able to
build snmpd agent but it is not showing ping mib as its part.

Is there any patch available for disman-ping-mib or what configuration
i need to do to add it.

Thanks,
Aleem