diff -rub boost_1_45_0_old/boost/asio/detail/epoll_reactor.hpp boost_1_45_0/boost/asio/detail/epoll_reactor.hpp
--- boost_1_45_0_old/boost/asio/detail/epoll_reactor.hpp	2010-07-06 08:49:47.000000000 +0400
+++ boost_1_45_0/boost/asio/detail/epoll_reactor.hpp	2010-11-23 17:11:11.000000000 +0300
@@ -42,7 +42,7 @@
   : public boost::asio::detail::service_base<epoll_reactor>
 {
 public:
-  enum { read_op = 0, write_op = 1,
+  enum op_type { read_op = 0, write_op = 1,
     connect_op = 1, except_op = 2, max_ops = 3 };
 
   // Per-descriptor queues.