Needed for the latest GDbus code gen.
https://bugzilla.gnome.org/show_bug.cgi?id=706627
FOLKS_REQUIRED=0.9.0
GNUTLS_REQUIRED=2.8.5
-GLIB_REQUIRED=2.33.3
+GLIB_REQUIRED=2.37.6
AC_DEFINE(GLIB_VERSION_MIN_REQUIRED, GLIB_VERSION_2_30, [Ignore post 2.30 deprecations])
-AC_DEFINE(GLIB_VERSION_MAX_ALLOWED, GLIB_VERSION_2_34, [Prevent post 2.34 APIs])
+AC_DEFINE(GLIB_VERSION_MAX_ALLOWED, GLIB_VERSION_2_38, [Prevent post 2.38 APIs])
GTK_REQUIRED=3.5.1
AC_DEFINE(GDK_VERSION_MIN_REQUIRED, GDK_VERSION_3_4, [Ignore post 3.4 deprecations])