--- config.h.in.orig	2016-11-16 12:14:22 UTC
+++ config.h.in
@@ -349,7 +349,11 @@
 #undef HAVE_UINT64_T
 
 /* Define if you have utmpx.h.                */
-#undef HAVE_UTMPX_H
+#define HAVE_UTMPX_H
+
+#define UTMPX_FILE "/var/log/utx.active"
+
+#define WTMPX_FILE "/var/log/utx.log"
 
 /* Define if your struct utmpx has ut_xtime.  */
 #undef HAVE_UTXTIME
