anchor.diff:  
     meta = {
       description = "X window manager for non-desktop embedded systems";
  -    homepage = http://matchbox-project.org/;
  +    homepage = "https://www.yoctoproject.org/software-item/matchbox/";
       license = stdenv.lib.licenses.gpl2Plus;
       platforms = stdenv.lib.platforms.linux;
     };
  
positive.code: 
    nativeBuildInputs = [ pkgconfig ];
    buildInputs = [ libmatchbox ];
  
    src = fetchurl {
      url = "https://downloads.yoctoproject.org/releases/matchbox/matchbox-window-manager/${version}/matchbox-window-manager-${version}.tar.bz2";
  
negative.code: { stdenv, fetchurl, pkgconfig, libmatchbox, libX11, libXext }:
  
  stdenv.mkDerivation rec {
    name = "matchbox-${version}";
  