anchor.diff:  
   , audit_lib
   , dbus
  +, egl-wayland
  +#, fontutil
   , libbsd
   , libdmx
   , libdrm
  
positive.code:     "-Dxephyr=true"
      "-Dxwayland=true"
      "-Dglamor=true"
      "-Dxnest=true"
      "-Ddmx=true"
      "-Dxvfb=true"
  
negative.code:       sha256 = "a732502f1db000cf36a376cd0c010ffdbf32ecdd7f1fa08ba7f5bdf9601cc197";
      };
      "1.20" = {
        version = "1.20.0";
        sha256 = "9d967d185f05709274ee0c4f861a4672463986e550ca05725ce27974f550d3e6";
      };
    };
    source = sources."${channel}";
  