anchor.diff:  }:
   
   stdenv.mkDerivation rec {
  -  name = "cifs-utils-6.7";
  +  name = "cifs-utils-6.8";
   
     src = fetchurl {
       url = "mirror://samba/linux-cifs/cifs-utils/${name}.tar.bz2";
       hashOutput = false;
  -    sha256 = "b2f21612474ab012e75accd167aab607a0614ff67efb56ea0f36789fa785cfab";
  +    sha256 = "e7d1f6050c43f21f82cd77e288eb756755effd22f0c310fc2c525df9d41dff79";
     };
  +
  +  # 6.8 was generated by upstream incorrectly
  +  # libcap-ng's aclocal was not present and generated a broken configure
  +  nativeBuildInputs = [
  +    autoreconfHook
  +    python3Packages.docutils
  +  ];
   
     buildInputs = [
       kerberos
  
positive.code:     srcVerification = fetchurl {
        failEarly = true;
        pgpsigUrls = map (n: "${n}.asc") src.urls;
        pgpKeyFingerprint = "98ED EB95 6384 61E7 8CE8  3B79 5AFD BFB2 70F3 B981";
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
negative.code: { stdenv
  , autoreconfHook
  , fetchurl
  , python3Packages
  
  , kerberos
  , keyutils
  