anchor.diff:    ];
   
     buildInputs = [
  +    gperftools
       libcap
       libevent
       libscrypt
       libseccomp
       libsodium
       openssl
  +    systemd_lib
       zlib
     ];
   
  
positive.code:     "--sysconfdir=/etc"
      "--localstatedir=/var"
      "--disable-unittests"
    ];
  
    preInstall = ''
  
negative.code: , fetchurl
  , perl
  
  , gperftools
  , libcap
  , libevent
  , libscrypt
  , libseccomp
  , libsodium
  , openssl
  , systemd_lib
  , zlib
  }:
  
  stdenv.mkDerivation rec {
    name = "tor-0.3.0.6";
  
    src = fetchurl {
      url = "https://www.torproject.org/dist/${name}.tar.gz";
      hashOutput = false;
      sha256 = "a3e512e93cb555601fd207d914d7c5fe981d66d6ebb5821ecdf5dea738c2fb14";
    };
  
    nativeBuildInputs = [
  