anchor.diff:        sha256 = "93ebdfaaefcfe9ab683f0121c85f24475d8197f0bcec46018219e4111434dde3";
       };
       propagatedBuildInputs = [ DigestSHA1 ];
  +    perlPreHook = stdenv.lib.optionalString stdenv.isi686 "export LD=$CC"; # fix undefined reference to `__stack_chk_fail_local'
     };
   
     CryptRijndael = buildPerlPackage {
  
positive.code:       sha256 = "1x662pqjg9p0wcigi7pwf969b2ymk66ncm2vd5dfm5i08pdkjpf3";
      };
      buildInputs = [ HashUtilFieldHashCompat ModuleBuildXSUtil ScopeGuard TestException ];
      meta = {
        description = "A selection of utilities for data and data types";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
  
negative.code:     meta = {
        description = "Manipulate 128 bits integers in Perl";
        license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
        broken = stdenv.is32bit; # compiler doesn't support a 128-bit integer type
      };
    };
  
  