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Re: CVS commit: src/external/gpl3/gcc/dist/gcc/config/aarch64

On 15.10.2020 17:14, Rin Okuyama wrote:
> On 2020/10/15 16:12, matthew green wrote:
>> Martin Husemann writes:
>>> On Thu, Oct 15, 2020 at 05:28:12PM +1100, matthew green wrote:
>>>> you could try reverting most of our changes to this file and
>>>> making sure you run with /proc mounted -o linux.  ryo@ recently
>>>> added additional /proc/cpuinfo support that should make this
>>>> just work with the upstream version, but i haven't had chance
>>>> to update and see if this is the case.
> I've confirmed that -mtune=native works fine at least for A53,
> even if all the local changes to driver-aarch64.c is reverted.
> I will commit it soon.
>>> If we go this route, we should make the relevant procfs nodes
>>> independent
>>> of -o linux.
>> that would be fine by me.
> Nowadays, -o linux is turned on by default (unless nolinux is
> specified explicitly). Still, native apps probably should not
> depend on it.
> This needs MI changes to procfs, not MD to aarch64. Should we
> enable /proc/cpuinfo unconditionally?

I'm against the policy of restoring the /proc dependency for this corner
case in one application.

We need to upstream the NetBSD specific patches to mainline GCC.

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