linux-kernel - Re: [RFC] minimum gcc version for kernel: raise to gcc-4.3 or 4.6?

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Message-ID: <CAMuHMdV+6O1CAb=+r2x=ANy_NkD3C6EzYCpawuXaf2ynvpsn2Q@mail.gmail.com>
Date:   Tue, 25 Apr 2017 09:06:36 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "Maciej W. Rozycki" <macro@...ux-mips.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        kernel-build-reports@...ts.linaro.org, kvmarm@...ts.cs.columbia.edu
Subject: Re: [RFC] minimum gcc version for kernel: raise to gcc-4.3 or 4.6?

On Mon, Apr 24, 2017 at 10:52 PM, Kees Cook <keescook@...omium.org> wrote:
> On Mon, Apr 24, 2017 at 1:30 PM, Arnd Bergmann <arnd@...db.de> wrote:
>> How about this approach then:
>>
>> - To keep it simple, we update the README.rst to say that a minimum
>>   gcc-4.3 is required, while recommending gcc-4.9 for all architectures
>> - Support for gcc-4.0 and earlier gets removed from linux/compiler.h,
>>   and instead we add a summary of what I found, explaining that
>>   gcc-4.1 has active users on a few architectures.
>> - We make the Makefile show a warning once during compilation for
>>   gcc earlier than 4.3.
>
> This sounds good to me!

+1

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds