anchor.diff:    buildInputs = [
       boost miniupnpc openssl unbound
       cppzmq zeromq pcsclite readline
  +    libsodium
     ] ++ optionals stdenv.isDarwin [ IOKit CoreData PCSC ];
   
     cmakeFlags = [
  
positive.code: { stdenv, fetchgit
  , cmake, pkgconfig, git
  , boost, miniupnpc, openssl, unbound, cppzmq
  , zeromq, pcsclite, readline
  , CoreData, IOKit, PCSC
  }:
  
  
negative.code: 
  stdenv.mkDerivation rec {
    name    = "monero-${version}";
    version = "0.13.0.2";
  
    src = fetchgit {
      url    = "https://github.com/monero-project/monero.git";
      rev    = "v${version}";
      sha256 = "078iw76ajvaj08rgnx3c13pnq8fxah1z9wwyz54fcnj2349sjbf5";
    };
  
    nativeBuildInputs = [ cmake pkgconfig git ];
  