anchor.diff:  , fetchurl
   
   , findXMLCatalogs
  +, libgcrypt
   , libxml2
   }:
   
  
positive.code:     "--without-debugger"
    ];
  
    passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "1.1.33";
        inherit (src) outputHashAlgo;
        outputHash = "8e36605144409df979cab43d835002f63988f3dc94d5d3537c12796db90e38c8";
        fullOpts = {
          pgpsigUrls = map (n: "${n}.asc") urls;
          pgpKeyFingerprint = "C744 15BA 7C9C 7F78 F02E  1DC3 4606 B8A5 DE95 BC1F";
  
negative.code:     "http://xmlsoft.org/sources/libxslt-${version}.tar.gz"
    ];
  
    version = "1.1.34";
  in
  stdenv.mkDerivation rec {
    name = "libxslt-${version}";
  
    src = fetchurl {
      urls = tarballUrls version;
      #multihash = "QmfQAJ5t9uqJjmNvGmSi2dLRwbp3iQfSiQauygZdqGxsRT";
      hashOutput = false;
      sha256 = "98b1bd46d6792925ad2dfe9a87452ea2adebf69dcb9919ffd55bf926a7f93f7f";
    };
  
    buildInputs = [
      libgcrypt
      libxml2
    ];
  
  