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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/60512] would be useful if gcc implemented __has_feature
 similary to clang
Date: Fri, 05 May 2023 18:19:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D60512

--- Comment #16 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #15)
> (In reply to Alex Coplan from comment #14)
> > I'm working on this.
>=20
> I will rebase my WIP and push it somewhere - [ it has __has_feature and
> __has_extension components .. but likely bit rotten with changes to libcp=
p ]
> (sorry for being slow to do this - releases tie up all my Darwin time.

https://github.com/iains/gcc-git/tree/master-wip-has-extension

(it might not even build - I was hoping to have some time to refresh it - b=
ut
better publish now in case it's useful in any way )

AFAIR the main blocker to progress was trying to decide how to represent the
target/language/language version dependencies of the features and extensions
(there's a rudimentary scheme at the moment but it probably is not flexible
enough)=