anchor.diff:  
     buildInputs = [ gtk2 pcsclite ];
     nativeBuildInputs = [ autoreconfHook pkgconfig ];
  +
  +  postPatch = ''
  +    sed 's@m4_esyscmd_s(.*,@[${version}],@' -i configure.ac
  +  '';
   
     enableParallelBuilding = true;
   
  
positive.code: { stdenv, fetchFromGitHub, autoreconfHook, gtk2, nssTools, pcsclite
  , pkgconfig }:
  
  let version = "4.1.2"; in
  stdenv.mkDerivation rec {
    name = "eid-mw-${version}";
  
    src = fetchFromGitHub {
      sha256 = "034ar1v2qamdyq71nklh1nvqbmw6ryz63jdwnnc873f639mf5w94";
      rev = "v${version}";
      repo = "eid-mw";
      owner = "Fedict";
  
negative.code:     substituteInPlace $out/bin/eid-nssdb \
        --replace "modutil" "${nssTools}/bin/modutil"
  
      # Only provides a useless "about-eid-mw.desktop" that segfaults:
      rm -rf $out/share/applications $out/bin/about-eid-mw
    '';
  
    meta = with stdenv.lib; {
  