It's part of the system library. Just remove -lrpc* from the Makefile and everything should do fine. (libc6 will change that a bit, but it will still be distributed aling with libc...)
Dominik Kubla -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- The text above represents my personal opinion and does not represent the official position of my employer on the issue(s) discussed. Any official statement made on behalf of my employer by me is marked as such.