anchor.diff:      compileFlags = [ "CC=${stdenv.cross.config}-gcc" ];
     };
   
  +  buildInputs = [ lzip ];
  +
     meta = {
       description = "GNU ed, an implementation of the standard Unix editor";
   
  
positive.code:     '';
  
      license = stdenv.lib.licenses.gpl3Plus;
  
      homepage = http://www.gnu.org/software/ed/;
  
      maintainers = [ ];
    };
  }
  
negative.code: { fetchurl, stdenv, lzip }:
  
  stdenv.mkDerivation rec {
    version = "1.10";
    name = "ed-${version}";
  
    src = fetchurl {
      url = "mirror://gnu/ed/${name}.tar.lz";
      sha256 = "16kycdm5fcvpdr41hxb2da8da6jzs9dqznsg5552z6rh28n0jh4m";
    };
  
    /* FIXME: Tests currently fail on Darwin:
  