Re: [PATCH] Remove ia64-linux-gnu

[Sam James <sam@gentoo.org>]

Carlos O'Donell <carlos@redhat.com> writes:

> On 11/4/23 17:44, Florian Weimer wrote:
>> * Sam James:
>> 
>>> Also, I worry that this might make things tricky to backport later for
>>> older glibc branches. Regardless of what happens with ia64 being
>>> maintained out of tree or not, we don't intend on removing it from Gentoo
>>> immediately - possibly (although I don't make a promise here) as late as
>>> when the last LTS kernel supporting it ages out. I'd prefer to not have
>>> to pin ia64 to an older glibc and keep testing that branch just for one
>>> arch.
>> 
>> Could those who want to keep ia64 support at least set up a
>> cross-builder (preferably both post-commit and pre-commit)?  Once
>> kernel support is gone from mainline, we'll have to remove it from the
>> default build-many-glibcs.py configuration, so we'll lose build
>> coverage.
>> 
>
> The follow-on problem is that there is no upstream ABI, and so downstream has to make
> those ABI decisions? I would rather we *not* make those ABI decisions, and if ia64
> is ever put back into upstream we can just "catch up" and adopt the ABI pieces as they
> are defined by the official upstream kernel.
>
> I think the best option here is for downstreams to pin glibc at 2.38 and use that for
> the lifetime of the Linux 6.6 LTS, which is likely all the way to 2028.

I wanted to raise the point but I don't really have an objection as long
as we've considered the bits I raised (and we have). Thanks.