From 69ff64f69615c2a21c97cb5878a0996c21423257 Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@mindrot.org>
Date: Tue, 27 Jan 2015 23:07:43 +1100
Subject: [PATCH] compile on systems without TCP_MD5SIG (e.g. OSX)

---
 regress/netcat.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/regress/netcat.c b/regress/netcat.c
index bffaade58..84efe1182 100644
--- a/regress/netcat.c
+++ b/regress/netcat.c
@@ -1144,11 +1144,13 @@ set_common_sockopts(int s)
 {
 	int x = 1;
 
+#ifdef TCP_MD5SIG
 	if (Sflag) {
 		if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG,
 			&x, sizeof(x)) == -1)
 			err(1, NULL);
 	}
+#endif
 	if (Dflag) {
 		if (setsockopt(s, SOL_SOCKET, SO_DEBUG,
 			&x, sizeof(x)) == -1)