Add minimum glib2 version

clutter.spec

@@ -6,6 +6,7 @@
 
 %global with_tests 1
 
+%global glib2_version 2.44.0
 %global cogl_version 1.21.2
 %global json_glib_version 0.12.0
 %global cairo_version 1.14.0
@@ -25,14 +26,17 @@ BuildRequires: atk-devel
 BuildRequires: cairo-gobject-devel >= %{cairo_version}
 BuildRequires: cogl-devel >= %{cogl_version}
 BuildRequires: gdk-pixbuf2-devel
-BuildRequires: glib2-devel mesa-libGL-devel pkgconfig pango-devel
+BuildRequires: gettext-devel
+BuildRequires: glib2-devel >= %{glib2_version}
 BuildRequires: gobject-introspection-devel >= 0.9.6
 BuildRequires: gtk3-devel
 BuildRequires: json-glib-devel >= %{json_glib_version}
 BuildRequires: libXcomposite-devel
 BuildRequires: libXdamage-devel
 BuildRequires: libXi-devel
-BuildRequires: gettext-devel
+BuildRequires: mesa-libGL-devel
+BuildRequires: pango-devel
+BuildRequires: pkgconfig
 %if 0%{?with_wayland}
 BuildRequires: libgudev1-devel
 BuildRequires: libwayland-client-devel
@@ -44,6 +48,7 @@ BuildRequires: libinput-devel >= %{libinput_version}
 
 Requires:      cairo%{?_isa} >= %{cairo_version}
 Requires:      cogl%{?_isa} >= %{cogl_version}
+Requires:      glib2%{?_isa} >= %{glib2_version}
 Requires:      gobject-introspection
 Requires:      json-glib%{?_isa} >= %{json_glib_version}
 %if 0%{?with_wayland}