File liboping-conditional_IPV6_TCLASS.patch of Package liboping

Index: liboping-1.6.2/src/liboping.c
===================================================================
--- liboping-1.6.2.orig/src/liboping.c
+++ liboping-1.6.2/src/liboping.c
@@ -542,13 +542,14 @@ static int ping_receive_one (pingobj_t *
 		{
 			if (cmsg->cmsg_level != IPPROTO_IPV6)
 				continue;
-
+#ifdef IPV6_TCLASS
 			if (cmsg->cmsg_type == IPV6_TCLASS)
 			{
 				memcpy (&recv_qos, CMSG_DATA (cmsg),
 						sizeof (recv_qos));
 				dprintf ("TOSv6 = 0x%02"PRIx8";\n", recv_qos);
 			} else
+#endif
 #ifdef IPV6_HOPLIMIT
 			if (cmsg->cmsg_type == IPV6_HOPLIMIT)
 			{
@@ -1004,6 +1005,7 @@ static int ping_set_qos (pingobj_t *obj,
 			dprintf ("Setting TP_TOS failed: %s\n", errbuf);
 		}
 	}
+#ifdef IPV6_TCLASS
 	else if (ph->addrfamily == AF_INET6)
 	{
 		/* IPV6_TCLASS requires an "int". */
@@ -1020,6 +1022,7 @@ static int ping_set_qos (pingobj_t *obj,
 			dprintf ("Setting IPV6_TCLASS failed: %s\n", errbuf);
 		}
 	}
+#endif
 
 	return (ret);
 }