From ba9d0b34c6a1eea958f85b54d341929d14f5e236 Mon Sep 17 00:00:00 2001
From: Matias Fontanini <matias.fontanini@gmail.com>
Date: Fri, 4 Nov 2016 07:55:58 -0700
Subject: [PATCH] Fix build issue on FreeBSD 11

This fixes #174 temporarily, so at least it won't fail to build
---
 src/utils.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/utils.cpp b/src/utils.cpp
index 37efda5..cd23685 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -244,7 +244,13 @@ vector<Route6Entry> route6_entries() {
     while (next < end) {
         rtm = (rt_msghdr*)next;
         // Filter protocol-cloned entries
-        if ((rtm->rtm_flags & RTF_WASCLONED) == 0 || (rtm->rtm_flags & RTF_PRCLONING) == 0) {
+        bool process_entry = true;
+        // These were removed in recent versions of FreeBSD
+        #if defined(RTF_WASCLONED) && defined(RTF_PRCLONING)
+            process_entry = (rtm->rtm_flags & RTF_WASCLONED) == 0 ||
+                            (rtm->rtm_flags & RTF_PRCLONING) == 0;
+        #endif
+        if (process_entry) {
             parse_header(rtm, sa);
             if (sa[RTAX_DST] && sa[RTAX_GATEWAY] && if_indextoname(rtm->rtm_index, iface_name)) {
                 Route6Entry entry;