Re: The list of __HAVE macros

[Paul Goyette <paul%whooppee.com@localhost>]

On Sun, 5 Mar 2023, Valery Ushakov wrote:

> We don't seem to have(9) a man page that lists all __HAVE_* macros
> that a port may provide.  E.g.
>
>  $ apropos -M '"__HAVE_PREEMPTION"'
>  cpu_need_resched (9)    context switch notification
>
> but
>
>  $ apropos -M '"__HAVE_SIMPLE_MUTEXES"'
>  apropos: No relevant results obtained.
>  Please make sure that you spelled all the terms correctly or try using different keywords.
>
> I think it might be a good idea to document the list in one place with
> xrefs to the relevant section 9 pages (and to document the options
> there too, e.g. __HAVE_SIMPLE_MUTEXES in mutex(9)).

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