for the linux people, im also maintaining a nix module and pkg for libbitcoin:
https://github.com/josibake/nix-libbitcoin . one thing im missing is knowing what defaults to recommend for linux. i also like to include a few recipes when making nix modules like this , e.g., like running libbitcoin on a raspi. for the people who have been running on linux and smaller harder: id very much appreciate if you could share the configs and ill update my nix repo defaults and include some overlays