anchor.diff:    '';
   
     makeFlags = [
  -    "SHARED=yes"
       "ZLIB=yes"
       "DNS=yes"
  +    "SHARED=yes"
       "LIBKMOD=yes"
       "HWDB=yes"
     ];
  
positive.code:   passthru = {
      srcVerification = fetchurl {
        failEarly = true;
        pgpsigUrls = map (n: "${n}.sign") tarballUrls;
        pgpDecompress = true;
        pgpKeyFingerprint = "5558 F939 9CD7 8368 5055  3C6E C28E 7847 ED70 F82D";
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
  
negative.code:   src = fetchurl {
      urls = map (n: "${n}.xz") tarballUrls;
      hashOutput = false;
      sha256 = "db452ec986edefd88af0d222d22f6102f8030a8633fdfe846c3ae4bde9bb93f3";
    };
  
    nativeBuildInputs = [
  