anchor.diff:  , gdbm, pam, readline, ncurses, gnutls, guile, texinfo, gnum4, sasl, fribidi, nettools
   , python, gss, mysql, sendmailPath ? "/run/wrappers/bin/sendmail" }:
   
  -let
  -  p = "https://raw.githubusercontent.com/gentoo/gentoo/9c921e89d51876fd876f250324893fd90c019326/net-mail/mailutils/files";
  -in stdenv.mkDerivation rec {
  +stdenv.mkDerivation rec {
     name = "${project}-${version}";
     project = "mailutils";
     version = "3.2";
  
positive.code:     # Provide libraries for mhn.
      export LD_LIBRARY_PATH=$(pwd)/lib/.libs
    '';
    postCheck = ''
      unset LD_LIBRARY_PATH
    '';
  
negative.code:     ./path-to-cat.patch
    ];
  
    enableParallelBuilding = false;
    hardeningDisable = [ "format" ];
  
  