anchor.diff:      done
     '';
   
  +  passthru.tests = {
  +    inherit nix;
  +  };
  +
     meta = with lib; {
       description = "C99 implementation of the TLS/SSL protocols";
       homepage = "https://github.com/aws/s2n-tls";
  
positive.code: { lib, stdenv
  , fetchFromGitHub
  , cmake
  , openssl
  }:
  
  stdenv.mkDerivation rec {
  
negative.code: 
    nativeBuildInputs = [ cmake ];
  
    outputs = [ "out" "dev" ];
  
    buildInputs = [ openssl ]; # s2n-config has find_dependency(LibCrypto).
  
  