--- src/misc/old_gmtdigitize.c	2013-01-07 11:39:53.769177645 +0100
+++ src/misc/gmtdigitize.c	2013-01-07 11:40:22.244936205 +0100
@@ -38,6 +38,7 @@
  */
  
 #include "gmt.h"
+#include <sys/types.h>
 
 #ifndef WIN32
 #include <termios.h>