diff -ruN xfwm4-gtk3.bak/configure.ac.in xfwm4-gtk3/configure.ac.in --- xfwm4-gtk3.bak/configure.ac.in 2017-07-20 00:00:00.000000000 +0200 +++ xfwm4-gtk3/configure.ac.in 2017-07-20 00:00:00.000000000 +0200 @@ -21,7 +21,7 @@ m4_define([intltool_minimum_version], [0.35]) m4_define([libepoxy_minimum_version], [1.0]) m4_define([xpresent_minimum_version], [1.0]) -m4_define([presentproto_minimum_version], [1.1]) +m4_define([presentproto_minimum_version], [1.0]) dnl init autoconf AC_COPYRIGHT([Copyright (c) 2002-2015