Re: [boost] [config] Using SD-6 macros

Subject: Re: [boost] [config] Using SD-6 macros
From: Paul Mensonides (pmenso57_at_[hidden])
Date: 2015-06-13 05:31:33

On 6/13/2015 2:22 AM, Andrey Semashev wrote:

> I can see SD-6 only as a helper tool for libraries like Boost.Config and
> not as an alternative. We had various version and feature checks in
> Boost.Config for years, it worked wonderfully and I don't see why it
> would break for the existing compilers we support. Future compilers may
> add features that are currently missing, and we will have to update
> Boost.Config accordingly, whether the compilers use SD-6, misuse it or
> not use it at all.

2c:

For each feature test, we would need both (e.g.) __cpp_constexpr and 
__cpp_constexpr_and_implemented_correctly.  The chance of just (e.g.) 
__cpp_constexpr being reliable enough is low, IMO, particularly for 
non-trivial feature use (e.g. Boost).

Regards,
Paul Mensonides