Only one polling mechanism is compiled

Till now wrappers for all the polling mechanisms available on
the given platform were compiled, although only one of them
was used. This patch compiles just the used one. This can
make libzmq binary more concise.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/epoll.hpp b/src/epoll.hpp
index 7e5195e..dc6b3ed 100644
--- a/src/epoll.hpp
+++ b/src/epoll.hpp
@@ -21,9 +21,9 @@
 #ifndef __ZMQ_EPOLL_HPP_INCLUDED__
 #define __ZMQ_EPOLL_HPP_INCLUDED__
 
-#include "platform.hpp"
-
-#ifdef ZMQ_HAVE_LINUX
+//  poller.hpp decides which polling mechanism to use.
+#include "poller.hpp"
+#if defined ZMQ_USE_EPOLL
 
 #include <vector>
 #include <sys/epoll.h>
@@ -89,6 +89,8 @@ namespace zmq
         const epoll_t &operator = (const epoll_t&);
     };
 
+    typedef epoll_t poller_t;
+
 }
 
 #endif