linux-hardening - Re: [PATCH] gcc-plugins: fix gcc 11 indigestion with plugins...

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Message-ID: <CAMuHMdXR09QdSiziQQ_XuPcJPOca_+mK1jYYHj3VsP_eCu_KbA@mail.gmail.com>
Date:   Mon, 11 Jan 2021 12:02:22 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Valdis Klētnieks <valdis.kletnieks@...edu>
Cc:     Kees Cook <keescook@...omium.org>, linux-hardening@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH] gcc-plugins: fix gcc 11 indigestion with plugins...

Hi Valdis,

On Mon, Jan 11, 2021 at 11:57 AM Valdis Klētnieks
<valdis.kletnieks@...edu> wrote:
> On Mon, 11 Jan 2021 10:47:23 +0100, Geert Uytterhoeven said:
> > I guess this is the cause of the new "warning: invalid suffix on
> > literal; C++11 requires a space between literal and string macro
> > [-Wliteral-suffix]" with gcc 4.9 or 5.4?
>
> Well, we fixed a #error, and picked up a warning.  That's progress. ;)
>
> It's probably related. I'm just having a hard time understanding why 4.9 and 5.4
> whine about the lack of a space, while 8.3 and 11 didn't complain...
>
> I'll see if I can cook up a patch that newer gcc are still happy with.  You able
> to easily test with 4.9 or 5.4?

No, I don't have 4.9 or 5.4 cross-compilers anymore.

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