diff -r -U 3 a/boost/asio/ip/tcp.hpp b/boost/asio/ip/tcp.hpp
--- a/boost/asio/ip/tcp.hpp	2015-03-03 15:48:15.000000000 +0100
+++ b/boost/asio/ip/tcp.hpp	2015-03-03 16:02:31.000000000 +0100
@@ -32,6 +32,8 @@
 namespace asio {
 namespace ip {
 
+#pragma GCC visibility push (default)
+
 /// Encapsulates the flags needed for TCP.
 /**
  * The boost::asio::ip::tcp class contains flags necessary for TCP sockets.
@@ -152,6 +154,8 @@
 } // namespace asio
 } // namespace boost
 
+#pragma GCC visibility pop
+
 #include <boost/asio/detail/pop_options.hpp>
 
 #endif // BOOST_ASIO_IP_TCP_HPP
diff -r -U 3 a/boost/asio/stream_socket_service.hpp b/boost/asio/stream_socket_service.hpp
--- a/boost/asio/stream_socket_service.hpp	2015-03-03 15:48:15.000000000 +0100
+++ b/boost/asio/stream_socket_service.hpp	2015-03-03 16:02:52.000000000 +0100
@@ -35,6 +35,8 @@
 namespace boost {
 namespace asio {
 
+#pragma GCC visibility push (default)
+
 /// Default service implementation for a stream socket.
 template <typename Protocol>
 class stream_socket_service
@@ -370,6 +372,8 @@
   service_impl_type service_impl_;
 };
 
+#pragma GCC visibility pop
+
 } // namespace asio
 } // namespace boost