linux-kernel - Re: linux: build faulure: error: "__has

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Message-ID: <CAHk-=wjAyRpGGsN6r30X9bnOg8ahR4zRgFLhEH9Vip_O-rj7PA@mail.gmail.com>
Date:   Tue, 14 Sep 2021 09:02:51 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux: build faulure: error: "__has_attribute" is not defined

On Tue, Sep 14, 2021 at 6:42 AM Tetsuo Handa
<penguin-kernel@...ove.sakura.ne.jp> wrote:
>
> Can you tell me the commit ?

Two commits, in fact - both odd cases of "confused code ended up using
the GCC4 #defines despite not being GCC4":

    1619b69edce1 ("powerpc/boot: Fix build failure since GCC 4.9 removal")
    d0ee23f9d78b ("tools: compiler-gcc.h: Guard error attribute use
with __has_attribute")

hopefully that was all of it.

           Linus