anchor.diff:  };
   
   stdenv.mkDerivation rec {
  -  name = "gstreamer-editing-services-1.6.2";
  +  name = "gstreamer-editing-services-1.8.0";
   
  -  src = fetchurl {
  -    url = "http://gstreamer.freedesktop.org/src/gstreamer-editing-services/" +
  +  src = fetchurl rec {
  +    url = "https://gstreamer.freedesktop.org/src/gstreamer-editing-services/" +
             "${name}.tar.xz";
  -    sha256 = "1i20bmj8qd8ybl728iv2v1w69gbspnksqw6jz4i1zxvsmi5ifani";
  +    sha256Url = "${url}.sha256sum";
  +    sha256 = "50f066d5b4090d5739fd6d38932bbe14c1aea83a64ed55f54a08cf90946b3abe";
     };
  -
  -  configureFlags = [
  -    "--disable-maintainer-mode"
  -    "--disable-debug"
  -    "--disable-profiling"
  -    "--disable-valgrind"
  -    "--disable-gcov"
  -    "--disable-examples"
  -    (enFlag "introspection" (gobject-introspection != null) null)
  -    "--disable-docbook"
  -    "--disable-gtk-doc"
  -    "--disable-gtk-doc-html"
  -    "--disable-gtk-doc-pdf"
  -    "--enable-gobject-cast-checks"
  -    "--enable-glib-asserts"
  -    "--enable-plugins"
  -    "--disable-benchmarks"
  -    "--disable-static-plugins"
  -    "--without-gtk"
  -  ];
   
     nativeBuildInputs = [
       flex
  
positive.code:     libxml2
    ];
  
    enableParallelBuilding = true;
  
    meta = with stdenv.lib; {
      description = "SDK for making video editors and more";
  
negative.code:       codyopel
      ];
      platforms = with platforms;
        x86_64-linux;
    };
  }
  