diff -pruN 1.11.0-2/debian/changelog 1.11.0-2ubuntu2/debian/changelog
--- 1.11.0-2/debian/changelog	2021-10-24 15:08:21.000000000 +0000
+++ 1.11.0-2ubuntu2/debian/changelog	2022-03-24 16:21:29.000000000 +0000
@@ -1,3 +1,17 @@
+libvpx (1.11.0-2ubuntu2) jammy; urgency=high
+
+  * No change rebuild for ppc64el baseline bump.
+
+ -- Julian Andres Klode <juliank@ubuntu.com>  Thu, 24 Mar 2022 17:21:29 +0100
+
+libvpx (1.11.0-2ubuntu1) jammy; urgency=medium
+
+  * Merge with Debian, reamining Ubuntu changes:
+  * debian/rules:
+   - Disable LTO and fix FTBFS when building with GCC 11.
+
+ -- Robert Ancell <robert.ancell@canonical.com>  Wed, 17 Nov 2021 10:11:05 +1300
+
 libvpx (1.11.0-2) unstable; urgency=medium
 
   * Team upload
@@ -43,6 +57,13 @@ libvpx (1.10.0-1) unstable; urgency=medi
 
  -- Sebastian Ramacher <sramacher@debian.org>  Tue, 24 Aug 2021 22:56:11 +0200
 
+libvpx (1.9.0-1ubuntu1) impish; urgency=medium
+
+  * d/rules: Disable LTO and fix FTBFS when building with GCC 11.
+    (LP: #1939640)
+
+ -- Sergio Durigan Junior <sergio.durigan@canonical.com>  Wed, 11 Aug 2021 22:25:45 -0400
+
 libvpx (1.9.0-1) unstable; urgency=medium
 
   * Team upload
diff -pruN 1.11.0-2/debian/control 1.11.0-2ubuntu2/debian/control
--- 1.11.0-2/debian/control	2021-10-10 20:16:55.000000000 +0000
+++ 1.11.0-2ubuntu2/debian/control	2021-11-16 21:11:05.000000000 +0000
@@ -1,7 +1,8 @@
 Source: libvpx
 Section: video
 Priority: optional
-Maintainer: Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>
 Uploaders: Sebastian Dröge <slomo@debian.org>,
            Ondřej Nový <onovy@debian.org>,
 Build-Depends: debhelper-compat (= 13),
diff -pruN 1.11.0-2/debian/rules 1.11.0-2ubuntu2/debian/rules
--- 1.11.0-2/debian/rules	2021-09-01 21:10:15.000000000 +0000
+++ 1.11.0-2ubuntu2/debian/rules	2021-11-16 21:11:05.000000000 +0000
@@ -5,6 +5,9 @@ export DEB_BUILD_MAINT_OPTIONS = hardeni
 DEB_CFLAGS_MAINT_APPEND = -Wall
 DEB_CXXFLAGS_MAINT_APPEND = -Wall
 
+# The build fails with GCC 11 when using LTO.
+export DEB_BUILD_MAINT_OPTIONS = optimize=-lto
+
 include /usr/share/dpkg/architecture.mk
 
 configure_flags += \
