anchor.diff:      gst_all_1.gst-plugins-good
       gst_all_1.gst-plugins-bad
       gst_all_1.gst-libav
  +    curl
    ];
   
     NIX_CFLAGS_COMPILE = [
  
positive.code: { stdenv, fetchurl, pkgconfig, efl, gst_all_1, wrapGAppsHook }:
  
  stdenv.mkDerivation rec {
    name = "rage-${version}";
  
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/;
  