libgfortran.so.3 for compatibility with binaries built on EL6 and EL7, rebuilt for Fedora. Specfile and patches from:
https://git.centos.org/rpms/compat-libgfortran-48/tree/c8
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/kkofler/compat-libgfortran-48/