Re: AIX support

Tristan Partin <tristan@partin.io>

From: "Tristan Partin" <tristan@partin.io>

To: "Srirama Kucherlapati" <sriram.rk@in.ibm.com>, "AIX PG user" <postgres-ibm-aix@wwpdl.vnet.ibm.com>

Cc: "Heikki Linnakangas" <hlinnaka@iki.fi>, "Peter Eisentraut" <peter@eisentraut.org>, "pgsql-hackers" <pgsql-hackers@lists.postgresql.org>

Date: 2025-12-10T18:37:02Z

Lists: pgsql-hackers

On Wed Dec 10, 2025 at 8:32 AM CST, Srirama Kucherlapati wrote:
> We encountered the following error when building without the "_static" suffix in the library name:
>     Found ninja-1.12.1 at /opt/freeware/bin/ninja
>     ERROR: Multiple producers for Ninja target "src/interfaces/ecpg/compatlib/libecpg_compat.a”.
>     Please rename your targets.
>
> On AIX, shared libraries are archived in a way that allows multiple versions to
> coexist within the same archive. This is primarily because shared library(.so)
> is archived into .a, which leads to naming conflicts between static and shared
> libraries. To address this, we suffixed the library with “_static".
>
> However, we later tested by completely skipping the static library build, and
> this approach worked successfully since it eliminates the conflict between
> static and shared libraries. I'm working on the changes and will validate
> further on this.

Thanks for the explanation. I'm glad we can workaround this without 
renaming the targets!

-- 
Tristan Partin
Databricks (https://databricks.com)