Add guards for functions requiring C++11 features

Author: Peter Thorson

websocketpp/connection.hpp

@@ -1007,8 +1007,7 @@ class connection
      * callbacks.
      *
      * @param code Code to set
-     * @param msg Message to set
-     * @see websocketpp::http::response::set_status
+     * @see websocketpp::http::parser::response::set_status
      */
     void set_status(http::status_code::value code);
 
@@ -1023,7 +1022,7 @@ class connection
      *
      * @param code Code to set
      * @param msg Message to set
-     * @see websocketpp::http::response::set_status
+     * @see websocketpp::http::parser::response::set_status
      */
     void set_status(http::status_code::value code, std::string const & msg);
 
@@ -1038,10 +1037,13 @@ class connection
      * callbacks.
      *
      * @param value String data to include as the body content.
-     * @see websocketpp::http::response::set_body
+     * @see websocketpp::http::parser::response::set_body
      */
     void set_body(std::string const & value);
-    void set_body( std::string&& value );
+#ifdef _WEBSOCKETPP_MOVE_SEMANTICS_
+    /// @copydoc websocketpp::connection::set_body(std::string const &)
+    void set_body(std::string && value);
+#endif // _WEBSOCKETPP_MOVE_SEMANTICS_
 
     /// Append a header
     /**

websocketpp/impl/connection_impl.hpp

@@ -575,6 +575,7 @@ void connection<config>::set_body(std::string const & value) {
     m_response.set_body(value);
 }
 
+#ifdef _WEBSOCKETPP_MOVE_SEMANTICS_
 template <typename config>
 void connection<config>::set_body( std::string&& value ) {
     if (m_internal_state != istate::PROCESS_HTTP_REQUEST) {
@@ -584,6 +585,7 @@ void connection<config>::set_body( std::string&& value ) {
 
     m_response.set_body(std::move(value));
 }
+#endif // _WEBSOCKETPP_MOVE_SEMANTICS_
 
 // TODO: EXCEPTION_FREE
 template <typename config>