anchor.diff:  { stdenv, fetchgit, cups, libssh, libXpm, nx-libs, openldap, openssh
  -, makeWrapper, qtbase, qtsvg, qtx11extras, qttools, phonon, pkgconfig }:
  +, mkDerivation, qtbase, qtsvg, qtx11extras, qttools, phonon, pkgconfig }:
   
  -stdenv.mkDerivation rec {
  +mkDerivation rec {
     pname = "x2goclient";
     version = "unstable-2019-07-24";
   
  
positive.code:   enableParallelBuilding = true;
  
    installTargets = [ "install_client" "install_man" ];
    postInstall = ''
      wrapProgram "$out/bin/x2goclient" --suffix PATH : "${nx-libs}/bin:${openssh}/libexec";
    '';
  
    meta = with stdenv.lib; {
      description = "Graphical NoMachine NX3 remote desktop client";
  
negative.code: 
    buildInputs = [ cups libssh libXpm nx-libs openldap openssh
                    qtbase qtsvg qtx11extras qttools phonon pkgconfig ];
  
    postPatch = ''
       substituteInPlace Makefile \
  