From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Michael Paquier <michael(at)paquier(dot)xyz> |
Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Sriram RK <sriram(dot)rk(at)outlook(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "tvk1271(at)gmail(dot)com" <tvk1271(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
Subject: | Re: AIX support |
Date: | 2024-04-25 04:20:05 |
Message-ID: | 3829420.1714018805@sss.pgh.pa.us |
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Michael Paquier <michael(at)paquier(dot)xyz> writes:
> Some of the portability changes removed in 0b16bb877 feel indeed
> obsolete, so it may not hurt to start an analysis from scratch to see
> the minimum amount of work that would be really required with the
> latest versions of xlc, using the newest compilers as a supported
> base.
Something I've been mulling over is whether to suggest that the
proposed "new port" should only target building with gcc.
On the one hand, that would (I think) remove a number of annoying
issues, and the average end user is unlikely to care which compiler
their database server was built with. On the other hand, I'm a strong
proponent of avoiding software monocultures, and xlc is one of the few
C compilers still standing that aren't gcc or clang.
It would definitely make sense for a new port to start by getting
things going with gcc only, and then look at resurrecting xlc
support.
> I'd like to think backporting these to stable branches should
> be OK at some point, once the new port is proving baked enough.
If things go as I expect, the "new port" would effectively drop
support for older AIX and/or older compiler versions. So back-
porting seems like an unlikely decision.
> Anyway, getting an access to such compilers to be able to debug issues
> on hosts that take less than 12h to just compile the code would
> certainly help its adoption.
+many
regards, tom lane
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