CORSIKA compiled in CentOS7:

Select the compiler used to compile FLUKA-INFN 2020.0.10, fluka2021.2_glibc2.17, FLUKA-CERN 4-1.1 and CORSIKA:
source /cvmfs/sft.cern.ch/lcg/contrib/gcc/9.3.0/x86_64-centos7/setup.sh