glibc and glibc-eac-bin are in conflict (Installed glibc-eac-bin for Insurgency Sandstorm)

Hello everybody! My brother plays Insurgency Sandstorm a lot and I wanted us to be able to play together, so I got it and after some messing about got it working on my system. One of the things I read in forum posts to do to get it to work on an Arch based system is to install glibc-eac-bin which has some patches to make certain...