message: Support building with -std=c++14
diff: #endif
  namespace duckdb {
  -#ifndef _MSC_VER
  +#if !defined(_MSC_VER) && (__cplusplus < 201402L)
  template <typename T, typename... Args> unique_ptr<T> make_unique(Args &&... args) {
  return unique_ptr<T>(new T(std::forward<Args>(args)...));
  }
  