+/*
+ * Define no-op macros for the jump list functions, on platforms that
+ * don't support them. (This is a bit of a hack, and it'd be nicer to
+ * localise even the calls to those functions into the Windows front
+ * end, but it'll do for the moment.)
+ */
+#ifndef JUMPLIST_SUPPORTED
+#define add_session_to_jumplist(x) ((void)0)
+#define remove_session_from_jumplist(x) ((void)0)
+#endif
+