What's cryptopp? Do I need it?
It's a cryptographic library that is required to mine Ethereum.
Furthermore, you need this SPECIFIC version, or you have to had-edit a cmake file.
I thought it would be easier to document installing the specific version that to edit the cmake file.
I (blindly) merged a PR that loosens this requirement a few days ago. I'm mostly building on Windows with precompiled libraries so I don't know if it works well.