build 3.11.4 with cogl changes reverted for now, as there's no cogl release

mutter.spec

@@ -9,6 +9,12 @@ License:       GPLv2+
 URL:           http://www.gnome.org
 Source0:       http://download.gnome.org/sources/%{name}/3.11/%{name}-%{version}.tar.xz
 
+# As cogl 1.17.1 does not exist yet, temporarily revert the commits that
+# adjust to 1.17 API and require 1.17. This patch reverts upstream commits
+# d2a1db8834 and 3548e6da73. Note this patch requires autogen.sh to be run:
+# when dropping this patch, also drop the autoreconf call.
+Patch0:        mutter-3.11.4-cogl-revert.patch
+
 BuildRequires: clutter-devel >= 1.13.5
 BuildRequires: pango-devel
 BuildRequires: startup-notification-devel
@@ -64,8 +70,12 @@ utilities for testing Metacity/Mutter themes.
 
 %prep
 %setup -q
+%patch0 -p1 -b .cogl_revert
 
 %build
+# only needed for patch0 (patches configure.ac), drop when dropping this patch
+autoreconf -i
+
 (if ! test -x configure; then NOCONFIGURE=1 ./autogen.sh; fi;
  %configure --disable-static --enable-compile-warnings=maximum)