--- sys_unix.cpp.ori	2010-10-30 20:35:40.000000000 +0200
+++ sys_unix.cpp.ori	2010-10-30 20:36:06.000000000 +0200
@@ -23,6 +23,7 @@ 
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <errno.h>
+#include <limits.h>
 
 #ifdef HAVE_AVAILABILITYMACROS_H
 #include <AvailabilityMacros.h>