anchor.diff:        param=${xorg.xorgserver}/bin/Xorg
         param=-modulepath
         param=${xorgxrdp}/lib/xorg/modules,${xorg.xorgserver}/lib/xorg/modules
  -      ; the following two lines are needless after https://github.com/NixOS/nixpkgs/pull/21653
  -      param=-xkbdir
  -      param=${xorg.xkeyboardconfig}/share/X11/xkb
         param=-config
         param=${xorgxrdp}/etc/X11/xrdp/xorg.conf
         param=-noreset
  
positive.code:     installFlags = [ "DESTDIR=$(out)" "prefix=" ];
  
      postInstall = ''
        # remove generated keys as non-determenistic
        rm $out/etc/xrdp/{rsakeys.ini,key.pem,cert.pem}
  
        cp $src/keygen/openssl.conf $out/share/xrdp/openssl.conf
  
  
negative.code: 
      postPatch = ''
        substituteInPlace sesman/xauth.c --replace "xauth -q" "${xorg.xauth}/bin/xauth -q"
      '';
  
      preConfigure = ''
  