From c648bdce245df521831e7451274dd8996b600ecc Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sat, 14 Feb 2015 15:42:07 +0100
Subject: [PATCH] Older kernels don't have SO_REUSEPORT

---
 pdns/dumresp.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pdns/dumresp.cc b/pdns/dumresp.cc
index 135a94b5c6..8739715a05 100644
--- a/pdns/dumresp.cc
+++ b/pdns/dumresp.cc
@@ -19,9 +19,11 @@ try
   Socket s(AF_INET, SOCK_DGRAM);
   ComboAddress local(argv[1], 5300);
   
+#ifdef SO_REUSEPORT
   int one=1;
   if(setsockopt(s.getHandle(), SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one)) < 0)
     unixDie("setsockopt for REUSEPORT");
+#endif
 
   s.bind(local);
   char buffer[1500];
-- 
2.47.2