
Add postgis 2.4.0 doesn't remove v2.3.1. There are some big change in 2.4 that people may don't want. see https://postgis.net/docs/release_notes.html#idm41021 fix test call modify following recommandation of lsix
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.