anchor.diff:  { stdenv
   , fetchurl
  +, lib
   
   , libevent
   , libsodium
   }:
   
   let
  -  version = "0.2.2";
  +  version = "0.3";
   in
   stdenv.mkDerivation rec {
     name = "dnscrypt-wrapper-${version}";
  
positive.code:     makeFlagsArray+=("PREFIX=$out")
    '';
  
    meta = with stdenv.lib; {
      desciption = "Wrapper helps to add dnscrypt support to any name resolver";
      homepage = https://github.com/Cofyc/dnscrypt-wrapper;
      license = licenses.gpl2;
  
negative.code:   src = fetchurl {
      url = "https://github.com/Cofyc/dnscrypt-wrapper/releases/download/"
        + "v${version}/dnscrypt-wrapper-v${version}.tar.bz2";
      sha256 = "ec5c290ba9b9a05536fa6ee827373ca9b3841508e6d075ae364405152446499c";
    };
  
    buildInputs = [
  