anchor.diff:  , xorg
   }:
   
  -with {
  -  inherit (stdenv.lib)
  -    enFlag;
  -};
  -
   stdenv.mkDerivation rec {
  -  name = "libva-1.6.2";
  +  name = "libva-1.7.0";
   
     src = fetchurl {
  -    url = "http://www.freedesktop.org/software/vaapi/releases/libva/" +
  +    url = "https://www.freedesktop.org/software/vaapi/releases/libva/" +
             "${name}.tar.bz2";
  -    sha256 = "1l4bij21shqbfllbxicmqgmay4v509v9hpxyyia9wm7gvsfg05y4";
  +    sha1Confirm = "e1e440da60b11986afb54fc130c7707f11827298";
  +    sha256 = "a689bccbcc81a66b458e448377f108c057d3eee44a2e21a23c92c549dc8bc95f";
     };
   
     buildInputs = [
  
positive.code:   '';
  
    meta = with stdenv.lib; {
    description = "Video Acceleration (VA) API for Linux";
      homepage = http://www.freedesktop.org/wiki/Software/vaapi;
      license = licenses.mit;
      maintainers = with maintainers; [ ];
      platforms = with platforms;
        i686-linux
        ++ x86_64-linux;
    };
  }
  
negative.code:   ];
  
    configureFlags = [
      "--enable-drm"
      "--enable-x11"
      "--enable-glx"
      "--enable-egl"
      "--enable-wayland"
      #"--enable-dummy-driver"
      "--enable-largefile"
      "--with-drivers-path=${mesa_noglu.driverSearchPath}/lib/dri"
  