fix unknown pragma warning on msvc

include/libtorrent/alert.hpp

@@ -267,8 +267,10 @@ namespace libtorrent {
 
 #ifndef TORRENT_NO_DEPRECATE
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 		// determines whether or not an alert is allowed to be discarded
 		// when the alert queue is full. There are a few alerts which may not be discared,
@@ -289,10 +291,12 @@ namespace libtorrent {
 
 		virtual std::auto_ptr<alert> clone_impl() const = 0;
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
-
 #endif
 
+#endif // TORRENT_NO_DEPRECATE
+
 	private:
 		// explicitly disallow assignment, to silence msvc warning
 		alert& operator=(alert const&);

include/libtorrent/session_handle.hpp

@@ -895,13 +895,17 @@ namespace libtorrent
 		TORRENT_DEPRECATED
 		void pop_alerts(std::deque<alert*>* alerts);
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 		TORRENT_DEPRECATED
 		std::auto_ptr<alert> pop_alert();
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 #endif
 
@@ -980,8 +984,10 @@ namespace libtorrent
 		TORRENT_DEPRECATED
 		boost::uint32_t get_alert_mask() const;
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 		// This sets a function to be called (from within libtorrent's netowrk
 		// thread) every time an alert is posted. Since the function (``fun``) is
@@ -995,7 +1001,9 @@ namespace libtorrent
 		void set_alert_dispatch(
 			boost::function<void(std::auto_ptr<alert>)> const& fun);
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 		// Starts and stops Local Service Discovery. This service will broadcast
 		// the infohashes of all the non-private torrents on the local network to

src/alert_manager.cpp

@@ -117,8 +117,10 @@ namespace libtorrent
 		return false;
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 	void alert_manager::set_dispatch_function(
 		boost::function<void(std::auto_ptr<alert>)> const& fun)
@@ -141,7 +143,9 @@ namespace libtorrent
 		}
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 #endif
 

src/session_handle.cpp

@@ -838,8 +838,10 @@ namespace libtorrent
 		return TORRENT_SYNC_CALL_RET(int, max_connections);
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 	std::auto_ptr<alert> session_handle::pop_alert()
 	{
@@ -848,7 +850,9 @@ namespace libtorrent
 		return a->clone();
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 	void session_handle::pop_alerts(std::deque<alert*>* alerts)
 	{
@@ -911,15 +915,19 @@ namespace libtorrent
 		return get_settings().get_int(settings_pack::alert_mask);
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
 
 	void session_handle::set_alert_dispatch(boost::function<void(std::auto_ptr<alert>)> const& fun)
 	{
 		m_impl->alerts().set_dispatch_function(fun);
 	}
 
+#ifdef __GNUC__
 #pragma GCC diagnostic pop
+#endif
 
 	void session_handle::start_lsd()
 	{