anchor.diff:  stdenv.mkDerivation rec {
     name = "gupnp-${version}";
     majorVersion = "0.20";
  -  version = "${majorVersion}.15";
  +  version = "${majorVersion}.16";
   
     src = fetchurl {
       url = "mirror://gnome/sources/gupnp/${majorVersion}/${name}.tar.xz";
  -    sha256 = "1qlzaz61zv3sr6pmb87wjcvv6fhpwqn2z0vqrb6xz2jv1lnv8ih4";
  +    sha256 = "ff1119eff12529c46837e03c742f69dc4fae48d59097d79582d38a383b832602";
     };
   
     buildInputs = [
  
positive.code: , gssdp
  , libsoup
  , libxml2
  , libuuid
  , vala
  }:
  
  
negative.code:     gobject-introspection
      gssdp
      libsoup
      libxml2
      util-linux_lib
      vala
    ];
  
  