Re: pure and const function attributes

[Paul Eggert]

On 5/5/20 1:29 AM, Marc Nieper-Wißkirchen wrote:
> If I understand correctly, the patch seems to cover compilers that
> declare "__has_attribute", which should cover GCC and Clang. Does it
> make sense to support MSC's "__declspec" as well?

I don't use MSC so I'm not qualified to comment. I am a bit worried about bloat
here, though. This stuff goes into every config.h.

> As for the future-proof C2X approach: In the GCC 10 Changes
> (https://gcc.gnu.org/gcc-10/changes.html), the C2X standard attributes
> are written without double underscores.  In the attached patch, they
> are. What is correct?

The C2X draft says that both forms are OK. I used double-underscore as it's less
likely to infringe on the user namespace.