linux-kernel - Re: [PATCH] Raise the minimum GCC version to 5.2

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Date:   Sun, 2 May 2021 19:44:57 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     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 Sun, May 02, 2021 at 02:23:01PM -0700, Joe Perches wrote:
> On Sun, 2021-05-02 at 15:32 -0500, Segher Boessenkool wrote:
> > On Sun, May 02, 2021 at 01:00:28PM -0700, Joe Perches wrote:
> []
> > > Perhaps 8 might be best as that has a __diag warning control mechanism.
> > 
> > I have no idea what you mean?
> 
> ? read the last bit of compiler-gcc.h

Ah, you mean
#pragma GCC diagnostic
(which has existed since GCC 4.2).  Does anything in this __diag stuff
require GCC 8?  Other than that this is hardcoded here :-)


Segher