Re: [RFC] building postgres with meson

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [RFC] building postgres with meson
Date: 2021-10-19 19:22:15
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2021-10-12 01:37:21 -0700, Andres Freund wrote:
>> As far as I can tell the only OS that postgres currently supports that
>> meson doesn't support is HPUX. It'd likely be fairly easy to add
>> gcc-on-hpux support, a chunk more to add support for the proprietary
>> ones.

> Tom, wrt HPUX on pa-risc, what are your thoughts there? IIRC we gave up
> supporting HP's compiler on pa-risc a while ago.

Right. I am still testing with gcc on HP-PA. I'd kind of like to
keep it running just as an edge case for our spinlock support, but
I'm not sure that I want to do any huge amount of work on meson
to keep that going.

I do have a functioning OpenBSD installation on that machine, so
one alternative if the porting costs look too high is to replace
gaur with an OpenBSD animal. However, last I checked, OpenBSD
was about half the speed of HPUX on that hardware, so I'm not
real eager to go that way. gaur's already about the slowest
animal in the farm :-(

> As I said it'd probably not be too hard to add meson support for hpux on hppa,
> it's probably just a few branches. But that'd require access somewhere. The
> gcc compile farm does not have a hppa member anymore...

If you've got an idea where to look, I could add that to my
to-do queue.

In any case, I don't think we need to consider HPUX as a blocker
for the meson approach. The value-add from keeping gaur going
probably isn't terribly much. I'm more concerned about the
effort involved in getting meson going on some other old animals,
such as prairiedog.

regards, tom lane

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