+2019-10-22 Christian Biesinger <cbiesinger@google.com>
+
+ * Makefile.in: Link with libxxhash.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * configure.ac: Search for libxxhash.
+ * utils.c (fast_hash): Use xxhash if present.
+
2019-10-22 Christian Biesinger <cbiesinger@google.com>
* utils.h (fast_hash): New function.