linux-kernel - Re: Build failures with gcc 4.5 and older

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Message-ID: <CA+55aFy0SFGaNmzCcpwMCeY_f3ZTG54NmV3SosbK6=QdE20=5A@mail.gmail.com>
Date:   Tue, 14 Aug 2018 10:20:32 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rik van Riel <riel@...riel.com>,
        Mike Galbraith <efault@....de>,
        Dave Hansen <dave.hansen@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Build failures with gcc 4.5 and older

On Tue, Aug 14, 2018 at 10:09 AM Guenter Roeck <linux@...ck-us.net> wrote:
>
> Does that mean that gcc 4.5 and older are now officially no longer
> supported for compiling the kernel ?

I guess we might as well make this the excuse for making that official.

Maybe it's trivially fixable, but I don't even want to look at it,
since we've talked about updating the minimum gcc version so long.

> If so, would it make sense to update include/linux/compiler-gcc.h
> accordingly ?

Unless somebody cares, and comes with a trivial fix to make old
compilers happy, let's just do that.

We had some other reasons to just say gcc-4.6 is the minimum version anyway.

            Linus