--- jc-1.0.1/libjc/libjc.h.orig	Wed Mar 17 16:25:39 2004
+++ jc-1.0.1/libjc/libjc.h	Wed Mar 17 16:25:58 2004
@@ -10,6 +10,10 @@
 
 #include "config.h"
 
+/* FreeBSD hack */
+#define __XSI_VISIBLE           600
+#define __BSD_VISIBLE           1
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
