$NetBSD: patch-ab,v 1.5 2006/06/25 00:01:44 hubertf Exp $

--- exec.c.orig	2006-06-12 21:45:57.000000000 +0200
+++ exec.c
@@ -75,7 +75,7 @@ int start_tail(char *filename, char retr
 		posix_version = getenv("_POSIX2_VERSION");
 
 		/* follow filename is only supported on *BSD and Linux */
-#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(linux) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__GNU__)
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(linux) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__GNU__) || defined(__DragonFly__)
 		if (follow_filename)
 		{
 #if defined(linux) || defined(__CYGWIN__) || defined(__GNU__)