$OpenBSD$
--- src/nmea_handler.c.orig	Fri Sep 14 23:47:13 2007
+++ src/nmea_handler.c	Sun Oct  7 15:26:14 2007
@@ -36,6 +36,7 @@
 #include <config.h>
 #include <math.h>
 #include <termios.h>
+#include <pthread.h>
 #include "gps_handler.h"
 #include "gpsdrive_config.h"
 #include "gui.h"