anchor.diff: -{ lib, stdenv, fetchurl, pkg-config, openssl, libbsd, libuuid, libmd, zlib, ncurses }:
  +{ lib, stdenv, fetchurl, pkg-config, openssl, libbsd, libuuid, libossp_uuid, libmd, zlib, ncurses }:
   
   stdenv.mkDerivation rec {
     pname = "got";
  
positive.code: 
    nativeBuildInputs = [ pkg-config ];
  
    buildInputs = [ openssl libbsd libuuid libmd zlib ncurses ];
  
    doInstallCheck = true;
  
  
negative.code:     '';
      homepage = "https://gameoftrees.org";
      license = licenses.isc;
      platforms = platforms.linux ++ platforms.darwin;
      maintainers = with maintainers; [ abbe ];
    };
  }
  