$NetBSD$

--- bin/mkcmd/machine.h.orig	2006-01-15 17:49:23.000000000 +0000
+++ bin/mkcmd/machine.h
@@ -122,10 +122,6 @@ extern char *sys_errlist[];
 #define	const	/* broken -- removed */
 #endif
 
-#if HAVE_SIMPLE_ERRNO
-extern int errno;
-#endif
-
 #if NEED_OFFSET_TYPE
 typedef long off_t;
 #endif
