Re: OpenSSL deprectation warnings in Postgres 10-13

From: Daniel Gustafsson <daniel(at)yesql(dot)se>
To: Victor Wagner <vitus(at)wagner(dot)pp(dot)ru>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: OpenSSL deprectation warnings in Postgres 10-13
Date: 2022-04-07 11:38:27
Message-ID: 5A4FD772-EEEB-4C2C-8EB7-8F041577EE93@yesql.se
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>> It seems easier to just disable deprecation warnings if you don't
>> want to see them.
>
> As far as my understanding goes, "just disable deprication warning" it
> is what commit 4d3db13621be64fbac2faf does.

But as stated above, there is no set of supported versions defined so there is
definitive value we can set for OPENSSL_API_COMPAT in the backbranches.

> Real fix would be rewrite corresponding parts of code so they wouldn't
> use deprecated API. (as it was done with sha2 code in PostgreSQL 14.
> which doesn't use openssl version of sha2 at all).

That wouldn't help for 10-13 since that's a change unlikely to be back ported
into a stable release.

--
Daniel Gustafsson https://vmware.com/

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