LLVM collision with OpenGL in CentOS7

[jeremym]

Very similar to a problem I’m having also:

ROOT with Geant4: LLVM Problems

Hello, I am attempting to integrate ROOT IO into a Geant4 program, but I’m running into difficulties with how LLVM is being linked which causes some odd runtime errors. I get seg faults but not all the time. It seems to occur mainly when the Geant4 visualization system is active during a run in an interactive session, but I can run in batch mode okay. First, I get the following warning message: Error in UnknownClass::InitInterpreter(): LLVM SYMBOLS ARE EXPOSED TO CLING! This will cause prob…

I am not linking in Cling – it is being loaded by TROOT.