$NetBSD: patch-am,v 1.1 2005/06/04 10:44:29 wiz Exp $

--- agrep/sgrep.c.orig	1999-11-01 21:32:58.000000000 +0100
+++ agrep/sgrep.c
@@ -65,7 +65,9 @@ extern CHARTYPE * agrep_outbuffer;
 extern int NEW_FILE, POST_FILTER;
 
 extern int EXITONERROR;
+#ifndef errno
 extern int errno;
+#endif
 extern int TCOMPRESSED;
 extern int EASYSEARCH;
 extern char FREQ_FILE[MAX_LINE_LEN], HASH_FILE[MAX_LINE_LEN], STRING_FILE[MAX_LINE_LEN];