anchor.diff:      "--builtin-libraries=replace"
     ];
   
  +  passthru = {
  +    srcVerified = fetchurl {
  +      failEarly = true;
  +      urls = map (n: "${n}.gz") (tarballUrls newVersion);
  +      pgpsigUrls = map (n: "${n}.asc") (tarballUrls newVersion);
  +      pgpDecompress = true;
  +      inherit (samba_full.pgp.library) pgpKeyFingerprint;
  +      inherit (src) outputHashAlgo;
  +      outputHash = "19154e728e48d29c7398f470b0a59d093edc836156b41ffe20d247d6ec9fa006";
  +    };
  +  };
  +
     meta = with stdenv.lib; {
       description = "Hierarchical pool based memory allocator with destructors";
       homepage = http://tdb.samba.org/;
  
positive.code:       wkennington
      ];
      platforms = with platforms;
        i686-linux
        ++ x86_64-linux;
    };
  }
  
negative.code: , docbook_xsl
  , docbook_xml_dtd_42
  , fetchurl
  , libxslt
  , python2
  , samba_full
  }:
  
  let
    version = "2.1.7";
    newVersion = "2.1.7";
  
    tarballUrls = version: [
      "mirror://samba/talloc/talloc-${version}.tar"
    ];
  in
  stdenv.mkDerivation rec {
    name = "talloc-${version}";
  
    src = fetchurl {
      urls = map (n: "${n}.gz") (tarballUrls version);
      allowHashOutput = false;
      sha256 = "19154e728e48d29c7398f470b0a59d093edc836156b41ffe20d247d6ec9fa006";
    };
  
    nativeBuildInputs = [
  