John Else 6fbe5efc71 Use macro to determine whether std::uncaught_exceptions is available
Catch assumes std::uncaught_exceptions is available whenever C++17 is
available, but for macOS versions older than 10.12 this is not the case.

Instead of checking the C++ version, use a macro to check whether the
feature is available.
2020-04-14 23:03:58 +02:00
..
2020-03-19 13:50:19 +01:00