anchor.diff:      sha256 = "08zas1kg5pnckl28gs7q29952pjfyj8rj59bq96hscqbni7gkqmb";
     };
   
  -  buildInputs = [ openssl ];
  +  buildInputs = [ openssl pam ];
   
     configureFlags = [ "--with-tls" ];
   
  
positive.code:     homepage = "https://www.pureftpd.org";
      license = licenses.isc; # with some parts covered by BSD3(?)
      maintainers = [ ];
      platforms = platforms.linux;
    };
  }
  
negative.code: { lib, stdenv, fetchurl, openssl, pam, fetchpatch }:
  
  stdenv.mkDerivation rec {
    pname = "pure-ftpd";
  