diff -Nru acl-2.2.53/debian/changelog acl-2.2.53/debian/changelog
--- acl-2.2.53/debian/changelog	2021-02-22 09:42:07.000000000 +0000
+++ acl-2.2.53/debian/changelog	2021-03-29 20:40:51.000000000 +0000
@@ -1,3 +1,9 @@
+acl (2.2.53-10ubuntu1) hirsute; urgency=medium
+
+  * Build with -fno-strict-aliasing
+
+ -- Matthias Klose <doko@ubuntu.com>  Mon, 29 Mar 2021 22:40:51 +0200
+
 acl (2.2.53-10build1) hirsute; urgency=medium
 
   * No-change rebuild to drop the udeb package.
diff -Nru acl-2.2.53/debian/rules acl-2.2.53/debian/rules
--- acl-2.2.53/debian/rules	2021-01-30 21:31:15.000000000 +0000
+++ acl-2.2.53/debian/rules	2021-03-29 20:40:51.000000000 +0000
@@ -4,6 +4,7 @@
 
 #export DH_VERBOSE=1
 
+export DEB_CFLAGS_MAINT_APPEND = -fno-strict-aliasing
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 # The following architectures still fail the test suite: