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From: Laurenz Albe <[email protected]>
To: Uilian Ries <[email protected]>
Cc: [email protected]
Subject: Re: Are compression requirements needed when building only libraries?
Date: Thu, 09 Oct 2025 21:12:07 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAEvaW20=WXSe6kf5r5_gJS+e9CFUQzijdhTOrELv_tOeatctsQ@mail.gmail.com>
References: <CAEvaW23OxaGd=2rTzE4-38WiN-=O_dGPLBB-ZEd61WoasWDq0Q@mail.gmail.com>
	<[email protected]>
	<CAEvaW20=WXSe6kf5r5_gJS+e9CFUQzijdhTOrELv_tOeatctsQ@mail.gmail.com>

On Thu, 2025-10-09 at 16:58 +0200, Uilian Ries wrote:
> > My PostgreSQL is built with support for all these libraries, and I find that my libraries are linked with "libz"
> 
> Which libraries? libpgtypes, libpq, libecpg, libecpg_compat?

libpq, libecpg and libecpg_compat are linked with libz.so.1, libpgtypes isn't.

> > How did you configure and build PostgreSQL?
> 
> I'm using Meson through the Conan package manager.
> 
> You can find my full build log and ldd commands outputs attached.

That shows that you have configured PostgreSQL with support for zlib,
lz4 and zstd.  No idea why the libraries are not linked with libz.so.

Yours,
Laurenz Albe

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