$NetBSD: patch-ad,v 1.2 2005/06/04 10:44:28 wiz Exp $

--- agrep/bitap.c.orig	2002-11-30 01:47:27.000000000 +0100
+++ agrep/bitap.c
@@ -34,7 +34,9 @@ extern CHAR *agrep_outbuffer;
 extern int agrep_outlen;
 extern int agrep_outpointer;
 extern FILE *agrep_finalfp;
+#ifndef errno
 extern int errno;
+#endif
 
 extern int NEW_FILE, POST_FILTER;