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From: "egallager at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/78352] GCC lacks support for the Apple "blocks" extension to
 the C family of languages
Date: Sat, 07 Nov 2020 16:29:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D78352

--- Comment #13 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #12)
> (In reply to Fabian Groffen from comment #11)
> > Is there a patch or WIP somewhere I can try out or attempt to bring for=
wards?
>=20
> I need to bring forward my patches to the latest master, will post a link
> here when that is done (it won't be soon - mainly because all time is bei=
ng
> soaked up with work on the arm64 port for Apple Silicon). At present, I am
> also trying to resolve some of the other (smaller) objective-c issues
> preventing us from parsing the system headers.
>=20
> > My attempts at porting the 4.2.1 Apple changes to 10.1 seem to have fai=
led
> > as I get some weird "byref undeclared" errors whenever a __block var is
> > encountered.  I must admit I'm not really well versed with GCC's code.
>=20
> The apple-4.2.1 branch is, indeed, too far removed from current trunk - a=
nd
> as far as I understand, we would not be permitted to apply those patches
> anyway, since they were not counted as contributed (not present on the FSF
> servers).  IANAL - but that's how I understand the rules.

If we could get in touch with an actual lawyer to review which laws
specifically are getting in the way here, that could be helpful. I won my
election to the New Hampshire State Legislature so if there's any legislati=
on I
could pass to make it legal to apply those patches here in NH, I'd love to =
know
how to write it.

>=20
> It would be great to have more than one person working on this - I will p=
ost
> here when the current WIP is published somewhere.=