X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsrc%2Fip.c;h=d6e4e7ad850ca95e2a97049580598e1a16e6bd2f;hb=67d81c106c8dd7da50b57eb5ceeb61d91a2c51e8;hp=b0c98878b6736b9f3365129d50a11ee10a22af4a;hpb=6d7c6175eda3aaa316d1960a89170a285510ad40;p=exim.git

diff --git a/src/src/ip.c b/src/src/ip.c
index b0c98878b..d6e4e7ad8 100644
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2013 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions for doing things with sockets. With the advent of IPv6 this has
@@ -464,11 +464,13 @@ if (af == AF_INET)
   *level = IPPROTO_IP;
   *optname = IP_TOS;
   }
+#if HAVE_IPV6 && defined(IPV6_TCLASS)
 else if (af == AF_INET6)
   {
   *level = IPPROTO_IPV6;
   *optname = IPV6_TCLASS;
   }
+#endif
 else
   {
   DEBUG(D_transport)