diff -pruN 2.3.0+ds-2/debian/changelog 2.3.0+ds-2ubuntu4/debian/changelog
--- 2.3.0+ds-2/debian/changelog	2021-10-11 05:31:37.000000000 +0000
+++ 2.3.0+ds-2ubuntu4/debian/changelog	2022-03-07 17:11:47.000000000 +0000
@@ -1,3 +1,27 @@
+pdal (2.3.0+ds-2ubuntu4) jammy; urgency=medium
+
+  * No-change rebuild against libdraco4
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Mon, 07 Mar 2022 17:11:47 +0000
+
+pdal (2.3.0+ds-2ubuntu3) jammy; urgency=medium
+
+  * No-change rebuild against libdraco3
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sun, 19 Dec 2021 01:24:44 +0000
+
+pdal (2.3.0+ds-2ubuntu2) jammy; urgency=medium
+
+  * No-change rebuild against libssl3
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Thu, 09 Dec 2021 00:13:06 +0000
+
+pdal (2.3.0+ds-2ubuntu1) jammy; urgency=medium
+
+  * Disable lto to fix a ppc64el build failure
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Mon, 08 Nov 2021 13:02:22 +0100
+
 pdal (2.3.0+ds-2) unstable; urgency=medium
 
   * Bump debhelper compat to 12, changes:
diff -pruN 2.3.0+ds-2/debian/control 2.3.0+ds-2ubuntu4/debian/control
--- 2.3.0+ds-2/debian/control	2021-10-03 18:53:39.000000000 +0000
+++ 2.3.0+ds-2ubuntu4/debian/control	2021-12-09 00:13:06.000000000 +0000
@@ -1,7 +1,8 @@
 Source: pdal
 Section: science
 Priority: optional
-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: Bas Couwenberg <sebastic@debian.org>
 Build-Depends: debhelper-compat (= 12),
                bash-completion,
diff -pruN 2.3.0+ds-2/debian/rules 2.3.0+ds-2ubuntu4/debian/rules
--- 2.3.0+ds-2/debian/rules	2021-09-13 13:51:36.000000000 +0000
+++ 2.3.0+ds-2ubuntu4/debian/rules	2021-11-08 12:02:22.000000000 +0000
@@ -3,7 +3,7 @@
 # DH_VERBOSE := 1
 
 # Enable hardening build flags
-export DEB_BUILD_MAINT_OPTIONS=hardening=+all
+export DEB_BUILD_MAINT_OPTIONS=hardening=+all optimize=-lto
 
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)