From 08e2daf06c71881415ebd19105a8fe53f6eb2f8f Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 7 Oct 2021 15:36:57 -0400
Subject: [PATCH] Doc: update our claims about the minimum recommended AIX
 version.

We currently have buildfarm members testing back to AIX 7.1,
but not before, and older AIX versions are long out of support
from IBM.  So say that 7.1 is the oldest supported version.

Discussion: https://postgr.es/m/87y278s6iq.fsf@wibble.ilmari.org
---
 doc/src/sgml/installation.sgml | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index 1ebe8482bfc..d38f9bc9160 100644
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -2174,9 +2174,15 @@ export MANPATH
    </indexterm>
 
    <para>
-    PostgreSQL works on AIX, but AIX versions before about 6.1 have
-    various issues and are not recommended.
-    You can use GCC or the native IBM compiler <command>xlc</command>.
+    You can use GCC or the native IBM compiler <command>xlc</command>
+    to build <productname>PostgreSQL</productname>
+    on <productname>AIX</productname>.
+   </para>
+
+   <para>
+    <productname>AIX</productname> versions before 7.1 are no longer
+    tested nor supported by the <productname>PostgreSQL</productname>
+    community.
    </para>
 
    <sect3>