update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / optional / optional_io.hpp

diff --git a/ceph/src/boost/boost/optional/optional_io.hpp b/ceph/src/boost/boost/optional/optional_io.hpp
index ce81b68f8e41024a6fee470d7ccfc19262b439ae..3db6ddae76b347f94c768bca6068363f85e01139 100644 (file)
--- a/ceph/src/boost/boost/optional/optional_io.hpp
+++ b/ceph/src/boost/boost/optional/optional_io.hpp
@@ -12,6 +12,7 @@
 #ifndef BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
 #define BOOST_OPTIONAL_OPTIONAL_IO_FLC_19NOV2002_HPP
 
+#ifndef BOOST_NO_IOSTREAM
 #include <istream>
 #include <ostream>
 
@@ -31,7 +32,7 @@ operator<<(std::basic_ostream<CharType, CharTrait>& out, none_t)
   {
     out << "--";
   }
-   
+
   return out;
 }
 
@@ -90,5 +91,5 @@ operator>>(std::basic_istream<CharType, CharTrait>& in, optional<T>& v)
 
 } // namespace boost
 
+#endif // BOOST_NO_IOSTREAM
 #endif
-