anchor.diff:      platforms = with platforms;
         i686-linux
         ++ x86_64-linux;
  +    # evolution does not support webkit-2.10+
  +    broken = true;
     };
   }
  
positive.code:     procps
      shared_mime_info
      sqlite
      webkitgtk_2_4
    ];
  
    configureFlags = [
  
negative.code: , procps
  , shared_mime_info
  , sqlite
  }:
  
  stdenv.mkDerivation rec {
  