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Message-ID: <9198344a-f318-55b4-62b6-22354227ff2d@gmail.com>
Date:   Mon, 3 May 2021 00:05:59 +0300
From:   Ali Kaasinen <ali.kaasinen@...il.com>
To:     Segher Boessenkool <segher@...nel.crashing.org>,
        Joe Perches <joe@...ches.com>
Cc:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Arnd Bergmann <arnd@...db.de>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        linux-riscv@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        Will Deacon <will@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] Raise the minimum GCC version to 5.2

On 02/05/2021 23.32, Segher Boessenkool wrote:

> On Sun, May 02, 2021 at 01:00:28PM -0700, Joe Perches wrote:
>> On Sun, 2021-05-02 at 13:30 -0500, Segher Boessenkool wrote:
>>> On Sat, May 01, 2021 at 07:41:53PM -0700, Joe Perches wrote:
>>>> Why not raise the minimum gcc compiler version even higher?
>> On Sun, 2021-05-02 at 13:37 -0500, Segher Boessenkool wrote:
>>> Everyone should always use an as new release as practical
>> []
>>
>>> The latest GCC 5 release is only three and a half years old.
>> You argue slightly against yourself here.
> I don't?
>
>> Yes, it's mostly a question of practicality vs latest.
>>
>> clang requires a _very_ recent version.
>> gcc _could_ require a later version.
>> Perhaps 8 might be best as that has a __diag warning control mechanism.
> I have no idea what you mean?
>
>> gcc 8.1 is now 3 years old today.
> And there will be a new GCC 8 release very soon now!
>
> The point is, you inconvenience users if you require a compiler version
> they do not already have.  Five years might be fine, but three years is
> not.
>
>
> Segher

Users & especially devs should upgrade then. 3 years of not updating 
your compiler - if you regularly build the kernel - seems nonsensical.


Ali

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