diff -ru gnugo-3.7.10/engine/persistent.c gnugo-3.7.10.new/engine/persistent.c
--- gnugo-3.7.10/engine/persistent.c	2006-05-21 19:04:27.000000000 +0200
+++ gnugo-3.7.10.new/engine/persistent.c	2006-12-05 19:19:48.000000000 +0100
@@ -440,7 +440,7 @@
     print_persistent_cache_entry(entry);
   }
   /* FIXME: This is an ugly hack. */
-  if (cache->name == "reading cache"
+  if (0 == strcmp(cache->name, "reading cache")
       && (debug & DEBUG_READING_PERFORMANCE)
       && entry->cost >= MIN_READING_NODES_TO_REPORT) {
     if (entry->result != 0)