GLib 2.53 deprecated g_object_newv() and GParameter. If we want to stop
using those types without resorting to pretty convoluted pre-processor
dancing, we will need to bump up the dependency inside GTK+.
# required versions of other packages
m4_define([glib_required_major], [2])
-m4_define([glib_required_minor], [51])
-m4_define([glib_required_micro], [5])
+m4_define([glib_required_minor], [53])
+m4_define([glib_required_micro], [0])
m4_define([glib_required_version],
[glib_required_major.glib_required_minor.glib_required_micro])
m4_define([glib_min_required_minor],