$NetBSD: patch-ae,v 1.1 2005/12/12 18:04:47 joerg Exp $

--- pTk/mTk/unix/tkUnixPort.h.orig	2005-12-12 15:53:24.000000000 +0000
+++ pTk/mTk/unix/tkUnixPort.h
@@ -134,13 +134,6 @@
 #define MASK_SIZE howmany(FD_SETSIZE, NFDBITS)
 
 /*
- * Not all systems declare the errno variable in errno.h. so this
- * file does it explicitly.
- */
-
-extern int errno;
-
-/*
  * Define "NBBY" (number of bits per byte) if it's not already defined.
  */