* Setup compiler: either `source /cvmfs/sft.cern.ch/lcg/contrib/gcc/<GCC_VERSION>/<PLATFORM>/setup.sh` or `source /afs/cern.ch/sw/lcg/external/gcc/${GCC_VERSION}/<PLATFORM>/setup.sh`
* Setup compiler: either `source /cvmfs/sft.cern.ch/lcg/contrib/gcc/<GCC_VERSION>/<PLATFORM>/setup.sh` or `source /afs/cern.ch/sw/lcg/external/gcc/${GCC_VERSION}/<PLATFORM>/setup.sh`