linux-kernel - Re: [PATCH 1/2] Documentation/HOWTO: Use a more recent gcc + binutils

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Date:   Wed, 2 Nov 2016 20:55:32 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Sven Joachim <svenjoac@....de>,
        Tomas Janousek <tomi@...i.cz>, Joe Perches <joe@...ches.com>,
        Adam Borowski <kilobyte@...band.pl>,
        Michal Marek <mmarek@...e.com>, linux-kbuild@...r.kernel.org,
        ben@...adent.org.uk, Jonathan Corbet <corbet@....net>,
        linux-doc@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 1/2] Documentation/HOWTO: Use a more recent gcc + binutils

On Wed, Nov 02, 2016 at 06:20:57PM +0100, Sebastian Andrzej Siewior wrote:
> Etch (with gcc v4.1.2) gets to compile the kernel without plenty of
> warnings and it also chokes on Wno-override-init but that one could be
> easily fixed if we want to keep v4.1 as the minimum.
> So I think raising the bar to gcc v4.1 isn't that bad given that the
> last release of gcc 4.1 was on February 13, 2007.

You'd need to adjust

#if GCC_VERSION < 30200

in include/linux/compiler-gcc.h.

> 
> Cc: Jonathan Corbet <corbet@....net>
> Cc: linux-doc@...r.kernel.org
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> ---
>  Documentation/Changes | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/Changes b/Documentation/Changes
> index 22797a15dc24..14e65b445707 100644
> --- a/Documentation/Changes
> +++ b/Documentation/Changes
> @@ -29,9 +29,9 @@ you probably needn't concern yourself with isdn4k-utils.
>  ====================== ===============  ========================================
>          Program        Minimal version       Command to check the version
>  ====================== ===============  ========================================
> -GNU C                  3.2              gcc --version
> +GNU C                  4.1              gcc --version
>  GNU make               3.80             make --version
> -binutils               2.12             ld -v
> +binutils               2.17             ld -v

That probably would be a good thing as 2.16 is the Binutils Version from
Hell.

-- 
Regards/Gruss,
    Boris.

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