--- ./libgmonopd/libgmonopd.c.00	2007-10-19 14:34:54.000000000 +0200
+++ ./libgmonopd/libgmonopd.c	2007-10-19 14:35:10.000000000 +0200
@@ -19,6 +19,7 @@
 
 #include <stdlib.h>
 #include <pthread.h>
+#include <errno.h>
 #include "libgmonopd.h"
 #include "event.h"