Install older gcc/g++ versions in CentOS 8

I've been struggling with this for the past 2h. In CentOS 8 I can't find the devtoolset packages to install older gcc/g++ versions. There is no longer a scl repo for CentOS 8. I need gcc/g++ 4.9x installed along the current gcc/g++ 8.x and I need to be able to switch between the two. This was extremely easy to set up in Ubuntu, not the case in CentOS and the documentation is non-existent or I had trouble finding it.