anchor.diff:    src = fetchurl {
       urls = map (n: "${n}.xz") tarballUrls;
       hashOutput = false;
  -    sha256 = "7165e6496656159dcb909a91ed708a0fe273a4b128b4b1dc997ccb5189eef1cd";
  +    sha256 = "57bb22c8bb56435991f6b0810a042b0a65e2f1e217551efa58235b7034cdbb9d";
     };
   
     nativeBuildInputs = [
  
positive.code:     "--sysconfdir=/etc"
      "--with-xz"
      "--with-zlib"
    ];
  
    # Use symlinks instead of hard-links or copies
  
negative.code: , fetchurl
  , libxslt
  
  , openssl
  , xz
  , zlib
  }:
  
  let
    name = "kmod-26";
  
    tarballUrls = [
      "mirror://kernel/linux/utils/kernel/kmod/${name}.tar"
  