anchor.diff:      "--with-compile-warnings"
     ];
   
  +  passthru = {
  +    srcVerification = fetchurl {
  +      inherit (src)
  +        outputHash
  +        outputHashAlgo
  +        urls;
  +      sha256Url = "https://download.gnome.org/sources/libmediaart/${versionMajor}/"
  +        + "${name}.sha256sum";
  +      failEarly = true;
  +    };
  +  };
  +
     meta = with stdenv.lib; {
       description = "Manages, extracts and handles media art caches";
       homepage = https://github.com/GNOME/libmediaart;
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "libmediaart-${version}";
    versionMajor = "1.9";
    versionMinor = "0";
    version = "${versionMajor}.${versionMinor}";
  
    src = fetchurl {
      url = "mirror://gnome/sources/libmediaart/${versionMajor}/${name}.tar.xz";
      sha256 = "0vshvm3sfwqs365glamvkmgnzjnmxd15j47xn0ak3p6l57dqlrll";
    };
  
    buildInputs = [
  
negative.code:   inherit (stdenv.lib)
      enFlag
      optionals;
  
    versionMajor = "1.9";
    versionMinor = "1";
    version = "${versionMajor}.${versionMinor}";
  in
  
  assert gdk-pixbuf != null -> qt5 == null;
  