From 5945efefa3d38248bb9e34d8c58db9a00c0869de Mon Sep 17 00:00:00 2001
From: Jason Lokerson <cmercenary@gmail.com>
Date: Tue, 19 Aug 2014 19:20:24 -0700
Subject: [PATCH] Completely disabling AutoNet when USE_LIBCXX is off

---
 contrib/json11/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/contrib/json11/CMakeLists.txt b/contrib/json11/CMakeLists.txt
index f9e851083..fe9ac92ae 100644
--- a/contrib/json11/CMakeLists.txt
+++ b/contrib/json11/CMakeLists.txt
@@ -1,2 +1,8 @@
+# We need type traits on this platform for all of our enable_if stuff
+if(APPLE AND NOT USE_LIBCXX)
+  message("Cannot build AutoNet without USE_LIBCXX due to extensive use of C++11 facilities")
+  return()
+endif()
+
 add_library(json11 STATIC json11.cpp json11.hpp)
 set_property(TARGET json11 PROPERTY FOLDER "contrib")