+/* If defined, use a minimal number of tagbits. This allows usage of more
+ advanced versions of malloc (like the Doug Lea new GNU malloc) and larger
+ integers. */
+/* --use-minimal-tagbits */
+#undef USE_MINIMAL_TAGBITS
+
+/* --use-indexed-lrecord-implementation */
+#undef USE_INDEXED_LRECORD_IMPLEMENTATION
+