diff -pruN 3.3.2+dfsg-1/debian/changelog 3.3.2+dfsg-1ubuntu1/debian/changelog
--- 3.3.2+dfsg-1/debian/changelog	2022-11-13 08:03:35.000000000 +0000
+++ 3.3.2+dfsg-1ubuntu1/debian/changelog	2023-01-04 12:32:57.000000000 +0000
@@ -1,3 +1,10 @@
+postgis (3.3.2+dfsg-1ubuntu1) lunar; urgency=medium
+
+  * Merge with Debian unstable (LP: #2001569). Remaining changes:
+    - Disable LTO on ppc64el to fix build failure.
+
+ -- Athos Ribeiro <athos.ribeiro@canonical.com>  Wed, 04 Jan 2023 09:32:57 -0300
+
 postgis (3.3.2+dfsg-1) unstable; urgency=medium
 
   * New upstream release.
@@ -5,6 +12,19 @@ postgis (3.3.2+dfsg-1) unstable; urgency
 
  -- Bas Couwenberg <sebastic@debian.org>  Sun, 13 Nov 2022 09:03:35 +0100
 
+postgis (3.3.1+dfsg-2ubuntu2) lunar; urgency=medium
+
+  * No change rebuild for postgresql-15.
+
+ -- Athos Ribeiro <athos.ribeiro@canonical.com>  Fri, 23 Dec 2022 08:51:24 -0300
+
+postgis (3.3.1+dfsg-2ubuntu1) lunar; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Disable LTO on ppc64el to fix build failure.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 07 Nov 2022 19:11:47 -0800
+
 postgis (3.3.1+dfsg-2) unstable; urgency=medium
 
   * Move from experimental to unstable.
@@ -89,12 +109,26 @@ postgis (3.3.0~alpha1+dfsg-1~exp1) exper
 
  -- Bas Couwenberg <sebastic@debian.org>  Sun, 22 May 2022 07:07:38 +0200
 
+postgis (3.2.3+dfsg-1ubuntu1) kinetic; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Disable LTO on ppc64el to fix build failure.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 22 Aug 2022 14:18:05 -0700
+
 postgis (3.2.3+dfsg-1) unstable; urgency=medium
 
   * New upstream release.
 
  -- Bas Couwenberg <sebastic@debian.org>  Fri, 19 Aug 2022 06:36:53 +0200
 
+postgis (3.2.2+dfsg-1ubuntu1) kinetic; urgency=low
+
+  * Merge from Debian unstable. Remaining changes:
+    - Disable LTO on ppc64el to fix build failure.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sat, 13 Aug 2022 01:24:41 -0700
+
 postgis (3.2.2+dfsg-1) unstable; urgency=medium
 
   * New upstream release.
@@ -102,6 +136,24 @@ postgis (3.2.2+dfsg-1) unstable; urgency
 
  -- Bas Couwenberg <sebastic@debian.org>  Sat, 23 Jul 2022 20:38:23 +0200
 
+postgis (3.2.1+dfsg-1ubuntu3) kinetic; urgency=medium
+
+  * No-change rebuild against libgdal31
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 13 Jun 2022 15:12:50 +0000
+
+postgis (3.2.1+dfsg-1ubuntu2) kinetic; urgency=medium
+
+  * Actually limit the LTO disabling to ppc64el.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Tue, 17 May 2022 00:46:32 +0000
+
+postgis (3.2.1+dfsg-1ubuntu1) kinetic; urgency=medium
+
+  * Disable LTO on ppc64el to fix build failure.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 16 May 2022 22:07:01 +0000
+
 postgis (3.2.1+dfsg-1) unstable; urgency=medium
 
   * New upstream release.
@@ -2090,6 +2142,7 @@ postgis (1.0.0RELEASE-3) unstable; urgen
   * mktemplate_gis and rmtemplate_gis work on dash.
 
  -- Alex Bodnaru <alexbodn@012.net.il>  Sat, 30 Apr 2005 17:34:02 +0300
+
 postgis (1.0.0RELEASE-2) unstable; urgency=low
 
   * Fixed minor typos in manual pages.
@@ -2098,7 +2151,6 @@ postgis (1.0.0RELEASE-2) unstable; urgen
 
  -- Alex Bodnaru <alexbodn@012.net.il>  Sat, 30 Apr 2005 16:25:22 +0300
 
-
 postgis (1.0.0RELEASE-1) unstable; urgency=low
 
   * Automatic upstream version tracking.
@@ -2195,3 +2247,4 @@ postgis (0.9.0-1) unstable; urgency=low
   * Initial Release.
 
  -- Alex Bodnaru <alexbodn@012.net.il>  Sun,  7 Nov 2004 23:39:53 +0200
+
diff -pruN 3.3.2+dfsg-1/debian/control 3.3.2+dfsg-1ubuntu1/debian/control
--- 3.3.2+dfsg-1/debian/control	2022-11-13 08:03:35.000000000 +0000
+++ 3.3.2+dfsg-1ubuntu1/debian/control	2023-01-04 12:32:57.000000000 +0000
@@ -1,5 +1,6 @@
 Source: postgis
-Maintainer: Debian GIS Project <pkg-grass-devel@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian GIS Project <pkg-grass-devel@lists.alioth.debian.org>
 Uploaders: Stephen Frost <sfrost@debian.org>,
            Francesco Paolo Lovergine <frankie@debian.org>,
            Markus Wanner <markus@bluegap.ch>,
diff -pruN 3.3.2+dfsg-1/debian/control.in 3.3.2+dfsg-1ubuntu1/debian/control.in
--- 3.3.2+dfsg-1/debian/control.in	2022-10-15 05:59:49.000000000 +0000
+++ 3.3.2+dfsg-1ubuntu1/debian/control.in	2023-01-04 12:32:57.000000000 +0000
@@ -1,5 +1,6 @@
 Source: postgis
-Maintainer: Debian GIS Project <pkg-grass-devel@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian GIS Project <pkg-grass-devel@lists.alioth.debian.org>
 Uploaders: Stephen Frost <sfrost@debian.org>,
            Francesco Paolo Lovergine <frankie@debian.org>,
            Markus Wanner <markus@bluegap.ch>,
diff -pruN 3.3.2+dfsg-1/debian/rules 3.3.2+dfsg-1ubuntu1/debian/rules
--- 3.3.2+dfsg-1/debian/rules	2022-11-13 08:03:35.000000000 +0000
+++ 3.3.2+dfsg-1ubuntu1/debian/rules	2023-01-04 12:32:33.000000000 +0000
@@ -10,6 +10,10 @@ export DH_OPTIONS
 # Enable hardening build flags
 export DEB_BUILD_MAINT_OPTIONS=hardening=+all
 
+ifeq ($(DEB_HOST_ARCH), ppc64el)
+    DEB_BUILD_MAINT_OPTIONS += optimize=-lto
+endif
+
 # Don't fail when d/control doesn't match template
 export PG_UPDATECONTROL=yes
 
