From d5046fd9e5e52481a0d39c048fe82c82d655a22a Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Sun, 23 Jun 2019 08:56:25 +0100
Subject: [PATCH] clang-3.5: disable more stuff using auto.

---
 include/boost/config/compiler/clang.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/config/compiler/clang.hpp b/include/boost/config/compiler/clang.hpp
index 96235394..7e0a7044 100644
--- a/include/boost/config/compiler/clang.hpp
+++ b/include/boost/config/compiler/clang.hpp
@@ -291,7 +291,7 @@
 #  define BOOST_NO_CXX14_CONSTEXPR
 #endif
 
-#if !__has_feature(__cxx_return_type_deduction__)
+#if !__has_feature(__cxx_return_type_deduction__) || (__clang_major__ < 4)
 #  define BOOST_NO_CXX14_RETURN_TYPE_DEDUCTION
 #endif