Re: Generating configure from configure.ac

From: Noah Misch <noah(at)leadboat(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Tatsuo Ishii <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Generating configure from configure.ac
Date: 2024-11-26 05:24:13
Message-ID: 20241126052413.36.nmisch@google.com
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On Tue, Nov 26, 2024 at 12:07:59AM -0500, Tom Lane wrote:
> It seems plausible to me that the -D_LARGE_FILES=1 settings in our
> AIX animals' configuration are carried over from some dim past where
> we didn't have this configure test, or it was implemented even less
> correctly than now. I wonder whether Noah has any records of their
> origin.

It's tied to Python defining _LARGE_FILES when PostgreSQL doesn't. More info:
https://www.postgresql.org/message-id/flat/20180531224129.GB3343825%40rfd.leadboat.com

I have some other notes on the topic, but that thread has the major points.

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