From 837ffa9699a9cba47ae7921d2876afaccc027133 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@dtucker.net>
Date: Fri, 29 May 2020 20:39:00 +1000
Subject: [PATCH] Omit ToS setting if we don't have IPV6_TCLASS too.

Fixes tests on old BSDs.
---
 regress/netcat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/regress/netcat.c b/regress/netcat.c
index 24395263f..d583176f1 100644
--- a/regress/netcat.c
+++ b/regress/netcat.c
@@ -1187,7 +1187,7 @@ set_common_sockopts(int s, int af)
 			&x, sizeof(x)) == -1)
 			err(1, "setsockopt");
 	}
-#ifdef IP_TOS
+#if defined(IP_TOS) && defined(IPV6_TCLASS)
 	if (Tflag != -1) {
 		int proto, option;