--- src/runtime/mosml.c	2004-01-15 12:02:51.000000000 +0100
+++ src/runtime/mosml.c	2011-12-05 15:05:54.000000000 +0100
@@ -965,8 +965,8 @@
 
 #ifndef HAS_STRERROR
 #if (!defined(__FreeBSD__) && !defined(linux))
-  extern int sys_nerr;
-  extern char * sys_errlist [];
+//  extern int sys_nerr;
+//  extern char * sys_errlist [];
 #endif   
   extern char *realpath();
 #endif
