import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / boost / none_t.hpp

diff --git a/ceph/src/boost/boost/none_t.hpp b/ceph/src/boost/boost/none_t.hpp
index 008f369d1cda0a28971645413d2fb6e7a082cf56..6b3c8334dd367772f097fbdf0de305e1bbf149bb 100644 (file)
--- a/ceph/src/boost/boost/none_t.hpp
+++ b/ceph/src/boost/boost/none_t.hpp
@@ -13,6 +13,8 @@
 #ifndef BOOST_NONE_T_17SEP2003_HPP
 #define BOOST_NONE_T_17SEP2003_HPP
 
+#include <boost/config.hpp>
+
 namespace boost {
 
 #ifdef BOOST_OPTIONAL_USE_OLD_DEFINITION_OF_NONE
@@ -29,7 +31,7 @@ class none_t {};
 struct none_t
 {
   struct init_tag{};
-  explicit none_t(init_tag){} // to disable default constructor
+  explicit BOOST_CONSTEXPR none_t(init_tag){} // to disable default constructor
 };
 
 #endif // old implementation workarounds