Pango 1.32.4 has a feature where any PangoLayout automatically handles
the case where a PangoContext is changed. We want to rely on this to
avoid having to clear layouts too often, so we make this a hard dep.
# required versions of other packages
m4_define([glib_required_version], [2.35.0])
-m4_define([pango_required_version], [1.30.0])
+m4_define([pango_required_version], [1.32.4])
m4_define([atk_required_version], [2.5.3])
m4_define([cairo_required_version], [1.10.0])
m4_define([gdk_pixbuf_required_version], [2.26.0])