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$NetBSD: patch-aj,v 1.1 2006/01/11 17:43:34 joerg Exp $

--- Tcl/tclUnixPort.h.orig	2006-01-11 17:08:11.000000000 +0000
+++ Tcl/tclUnixPort.h
@@ -176,14 +176,6 @@
 #define	TCL_PLATFORM_TRANSLATION	TCL_TRANSLATE_LF
 
 /*
- * Not all systems declare the errno variable in errno.h. so this
- * file does it explicitly.  The list of system error messages also
- * isn't generally declared in a header file anywhere.
- */
-
-extern int errno;
-
-/*
  * The type of the status returned by wait varies from UNIX system
  * to UNIX system.  The macro below defines it:
  */