anchor.diff: -{ fetchurl, stdenv, binutils }:
  +{ stdenv, fetchurl, binutils }:
   
  +with stdenv.lib;
   stdenv.mkDerivation rec {
  -  name = "lightning-2.0.5";
  +
  +  name = "lightning-${version}";
  +  version = "2.1.0";
   
     src = fetchurl {
       url = "mirror://gnu/lightning/${name}.tar.gz";
  -    sha256 = "0jm9a8ddxc1v9hyzyv4ybg37fjac2yjqv1hkd262wxzqms36mdk5";
  +    sha256 = "19j9nwl88k660045s40cbz5zrl1wpd2mcxnnc8qqnnaj311a58qz";
     };
   
  -  # Needs libopcodes.so  from binutils for 'make check'
  +  # Needs libopcodes.so from binutils for 'make check'
     buildInputs = [ binutils ];
   
     doCheck = true;
  
positive.code:   meta = {
      homepage = http://www.gnu.org/software/lightning/;
      description = "Run-time code generation library";
  
      longDescription = ''
        GNU lightning is a library that generates assembly language code
        at run-time; it is very fast, making it ideal for Just-In-Time
  
negative.code:       to the clients a standardized RISC instruction set inspired by
        the MIPS and SPARC chips.
      '';
      maintainers = [ maintainers.AndersonTorres ];
      license = licenses.lgpl3Plus;
    };
  }
  