anchor.diff:      patchShebangs event_rpcgen.py
     '';
   
  -  passthru = {
  +  configureFlags = [
  +    "--disable-samples"
  +  ];
  +
  +  /*passthru = {
       srcVerification = fetchurl rec {
         failEarly = true;
         urls = tarballUrls "2.0.22";
  
positive.code: { stdenv
  , fetchurl
  , python
  
  , openssl
  }:
  
  let
    version = "2.0.22";
  
    tarballUrls = version: [
      "https://github.com/libevent/libevent/releases/download/release-${version}-stable/libevent-${version}-stable.tar.gz"
  
negative.code: stdenv.mkDerivation rec {
    name = "libevent-${version}";
  
    /*src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "18qz9qfwrkakmazdlwxvjmw8p76g70n3faikwvdwznns1agw9hki";
    };*/
  
    src = fetchFromGitHub {
      version = 2;
      owner = "libevent";
      repo = "libevent";
      rev = "release-${version}";
      sha256 = "70a1e1042a1035f2e0d0d2edcb5eae84ca718b69a26803bebf6115e72dd5db41";
    };
  
    nativeBuildInputs = [
      autoreconfHook
      python
    ];
  
  