In case someone would like to install the latest URSim 5.10 on Ubuntu 16.04 LTS: I just installed it and created instructions what I needed to do to succeed:
Worked great, thanks for your contribution to the community!
Mine got hung up on a missing libxmlrpc package, but I went into the installer and gave it the new package name. I think it was libxmlrpc-c++8-dev for Ubuntu 16.04.