anchor.diff:      gst_all_1.gst-plugins-base
     ];
   
  -  configureFlags = [
  -    "--enable-gtk-doc"
  +  mesonFlags = [
  +    "-Dgtk_doc=true"
     ];
   
     doCheck = true;
  
positive.code: { lib, stdenv
  , fetchurl
  , pkg-config
  , gobject-introspection
  , vala
  , gtk-doc
  , docbook_xsl
  , docbook_xml_dtd_412
  , libxml2
  , gst_all_1
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "gupnp-dlna";
    version = "0.12.0";
  
    outputs = [ "out" "dev" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "PVO5b4W8VijTPjZ+yb8q2zjvKzTXrQQ0proM9K2QSOY=";
    };
  
    nativeBuildInputs = [
      meson
      ninja
      pkg-config
      gobject-introspection
      vala
      gtk-doc
      docbook-xsl-nons
      docbook_xml_dtd_412
    ];
  
  