anchor.diff: -{ stdenv, fetchurl, pkgconfig, efl, gst_all_1, wrapGAppsHook }:
  +{ stdenv, fetchurl, pkgconfig, efl, gst_all_1, curl, wrapGAppsHook }:
   
   stdenv.mkDerivation rec {
     name = "rage-${version}";
  
positive.code:     gst_all_1.gst-plugins-good
      gst_all_1.gst-plugins-bad
      gst_all_1.gst-libav
   ];
  
    NIX_CFLAGS_COMPILE = [
  
negative.code:     "-I${efl}/include/ethumb-client-1"
    ];
  
    postInstall = ''
      wrapProgram $out/bin/rage --prefix LD_LIBRARY_PATH : ${curl.out}/lib
    '';
  
    meta = {
      description = "Video + Audio player along the lines of mplayer";
      homepage = http://enlightenment.org/;
  