Re: Why do Predef and Config exist?

From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2022-12-25 08:45:52

On Sat, 24 Dec 2022, 18:38 Gero Peterhoff via Boost, <boost_at_[hidden]>
wrote:

> Hi John,
> I had already addressed a similar topic and it is a good thing that this
> is brought up again or that other users see it that way too.
> In principle, as much as possible should be consolidated and simplified
> (here merging config + predef) in order to be able to provide uniform
> interfaces/macros without the user having to dig around in the internals of
> boost.
>
> Example: There is BOOST_HAS_FLOAT128+BOOST_HAS_INT128 and BOOST_NO_INT64_T.
> It would make sense to provide a complete set for BOOST_HAS_FLOATxxx and
> BOOST_HAS_INTxxx

Boost.Config uses NO for lack of standard features and HAS for extensions.

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>