From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Wed, 29 Apr 2015 11:19:51 +0000 (+0200)
Subject: Fix compilation problems for auth on old linux versions
X-Git-Tag: dnsdist-1.0.0-alpha1~248^2~86^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=199f29bf195c83ff8bdd59dd982401d81069dc91;p=thirdparty%2Fpdns.git

Fix compilation problems for auth on old linux versions
---

diff --git a/pdns/nameserver.cc b/pdns/nameserver.cc
index cc5c47bf84..a844766c45 100644
--- a/pdns/nameserver.cc
+++ b/pdns/nameserver.cc
@@ -217,7 +217,9 @@ void UDPNameserver::bindIPv6()
     
     if(IsAnyAddress(locala)) {
       setsockopt(s, IPPROTO_IP, GEN_IP_PKTINFO, &one, sizeof(one));     // linux supports this, so why not - might fail on other systems
+#ifdef IPV6_RECVPKTINFO
       setsockopt(s, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one)); 
+#endif
       setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));      // if this fails, we report an error in tcpreceiver too
     }