From: Tom Lane <tgl@sss.pgh.pa.us>
To: Heikki Linnakangas <hlinnaka@iki.fi>
cc: Peter Eisentraut <peter@eisentraut.org>,
        pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Remove support for old realpath() API
In-reply-to: <188d0f5f-aed9-46b6-a9a6-eee55401f763@iki.fi>
References: <9e638b49-5c3f-470f-a392-2cbedb2f7855@eisentraut.org> <188d0f5f-aed9-46b6-a9a6-eee55401f763@iki.fi>
Comments: In-reply-to Heikki Linnakangas <hlinnaka@iki.fi>
	message dated "Mon, 05 Aug 2024 10:41:25 +0300"
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Date: Mon, 05 Aug 2024 10:08:04 -0400
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Heikki Linnakangas <hlinnaka@iki.fi> writes:
> We don't seem to have any mentions of POSIX or SuS in docs, in the 
> installation sections. There are a few mentions of POSIX-1.2008 and 
> POSIX-1.2001 it in the commit log, though, where we require features 
> specified by those. Can we rely on everything from POSIX-1-2008 
> nowadays, or is it more on a case-by-case basis, depending on which 
> parts of POSIX are supported by various platforms?

I'd say it's still case-by-case.  Perhaps everything in POSIX-1.2008
is supported now on every platform we care about, but perhaps not.

			regards, tom lane