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From: Andres Freund <[email protected]>
To: Tom Lane <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: [email protected]
Subject: Re: [RFC] building postgres with meson -v8
Date: Fri, 6 May 2022 15:05:08 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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Hi,

On 2022-04-21 17:34:47 -0400, Tom Lane wrote:
> FWIW, I don't think that either gaur or prairiedog need be factored into
> this conversation.  They cannot build ninja at all for lack of <spawn.h>,
> so whether they could run meson is pretty much beside the point.

Yea.


> (I wonder if we should stick in a configure test for <spawn.h>,
> just to see if anything else doesn't have it?)

Might be worth doing?


> We should worry a little more about Solaris and AIX, but even there I
> think it's largely up to the platform owner whether they've updated
> python to something modern.

Looks like "AIX toolbox" is at 3.7. Solaris 11.4 apparently has 3.5 (11.3 is
EOL January 2024).

I think it's worth caring about supporting 3.6 due to RHEL 7 for now.


> If it isn't, you need to move the goalposts
> back some more :-(.  As of today I see the following pre-3.6 pythons
> in the buildfarm, exclusive of mine:
>
> skate		3.2.3
> snapper		3.2.3

Debian wheezy, I feel ok with dropping that.


> topminnow	3.4.2

Debian jessie, similar.


> hornet		3.4.3
> sungazer	3.4.3

Looks like a newer python version is available for AIX, without manually
compiling.


> wrasse		3.4.3

Apparently solaris 11.4 has python 3.5 (still not great :/)


> shelduck	3.4.10

This animal seems to have retired.


> curculio	3.5.1

Supported versions of openbsd have modern versions of python.


> hoverfly	3.5.1

AIX


> batfish		3.5.2
> spurfowl	3.5.2
> cuon		3.5.2

Ubuntu 16.04 is EOL (since 2021-04), outside of paid extended support.


> ayu		3.5.3
> chimaera	3.5.3
> chipmunk	3.5.3
> grison		3.5.3
> mussurana	3.5.3
> tadarida	3.5.3
> urocryon	3.5.3

These are all [variants of] debian stretch. I think we should be ok dropping
support for that, the extended "LTS" support for stretch ends June 30, 2022
(with the last non-extended update at July 18, 2020).

Greetings,

Andres Freund

[1] https://repology.org/project/python/versions

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