Compiling 2.4.1 under Fedora Core 4 with gcc 4.0.1 yields an error: Member function 'virtual int vtkSocketCommunicator::GetPort(int)' Line 303 Invalid conversion from 'int*' to 'socklen_t*' Initializing argument 3 of 'int getsockname(int, sockaddr*, socklen_t*)' Suggestions? Kent Pittsburgh Supercomputing Center