- (bal) if IP_TOS is not found or broken don't try to compile in
   packet_set_tos() function call.  bug #527
diff --git a/packet.c b/packet.c
index 3e21df7..254e452 100644
--- a/packet.c
+++ b/packet.c
@@ -1314,6 +1314,8 @@
 		return buffer_len(&output) < 128 * 1024;
 }
 
+
+#if defined(IP_TOS) && !defined(IP_TOS_IS_BROKEN)
 static void
 packet_set_tos(int interactive)
 {
@@ -1327,6 +1329,7 @@
 		error("setsockopt IP_TOS %d: %.100s:",
 		    tos, strerror(errno));
 }
+#endif
 
 /* Informs that the current session is interactive.  Sets IP flags for that. */