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Date: Thu, 1 Apr 2021 18:51:17 +0100
From: Jonathan Wakely <jwakely@redhat.com>
To: Eric Botcazou <botcazou@adacore.com>
Cc: Jakub Jelinek <jakub@redhat.com>, libstdc++@gcc.gnu.org,
 gcc-patches@gcc.gnu.org
Subject: Re: [committed] libstdc++: Test errno macros directly, not via
 autoconf [PR 93151]
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On 01/04/21 18:47 +0200, Eric Botcazou wrote:
>> Thanks, pushed.
>
>I can confirm that the build failure we had is now gone, thanks!
>
>> Eric, are you building the RC with --enable-maintainer-mode maybe? Or
>> regenerating the autoconf files yourself?
>
>The latter, we have local configure changes so we regenerate the script.

Aha, that explains it then. And it's useful that you noticed this
before the final release!