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Date:   Mon, 3 May 2021 00:05:59 +0300
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Subject: Re: [PATCH] Raise the minimum GCC version to 5.2
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To:     Segher Boessenkool <segher@kernel.crashing.org>,
        Joe Perches <joe@perches.com>
Cc:     Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Arnd Bergmann <arnd@arndb.de>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Linux Doc Mailing List <linux-doc@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Miguel Ojeda <ojeda@kernel.org>,
        Paul Mackerras <paulus@samba.org>,
        linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org,
        Will Deacon <will@kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>
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From:   Ali Kaasinen <ali.kaasinen@gmail.com>
In-Reply-To: <20210502203253.GH10366@gate.crashing.org>
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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