put include guards on boost/function

According to clang boost/function.hpp does not have include guards,
and from inspecting clang diagnostics we include it many times
in several compilation units. This commit adds an external include
guard to all of our includes of this header, it was made using

find . -type f -exec sed -i 's/^#include <boost\/function\.hpp>$/\n#ifndef I

and inspecting the results.

src/ai/composite/ai.cpp

@@ -29,7 +29,12 @@
 #include "../../log.hpp"
 
 #include <boost/bind.hpp>
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/foreach.hpp>
 
 namespace ai {

src/ai/composite/property_handler.hpp

@@ -21,7 +21,12 @@
 #ifndef AI_COMPOSITE_PROPERTY_HANDLER_HPP_INCLUDED
 #define AI_COMPOSITE_PROPERTY_HANDLER_HPP_INCLUDED
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/foreach.hpp>
 
 #include "config.hpp"

src/ana/src/asio_server.hpp

@@ -36,7 +36,12 @@
 
 #include <boost/asio.hpp>
 #include <boost/interprocess/smart_ptr/unique_ptr.hpp>
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include "../api/ana.hpp"
 #include "asio_listener.hpp"

src/campaign_server/campaign_server.hpp

@@ -19,7 +19,12 @@
 #include "network.hpp"
 #include "server/input_stream.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/scoped_ptr.hpp>
 #include <boost/unordered_map.hpp>
 

src/display.hpp

@@ -58,7 +58,12 @@ namespace wb {
 
 #include "overlay.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/weak_ptr.hpp>
 #include <boost/scoped_ptr.hpp>
 #include <deque>

src/gui/auxiliary/event/dispatcher.hpp

@@ -22,7 +22,12 @@
 
 #include "SDL_events.h"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/mpl/int.hpp>
 #include <boost/utility/enable_if.hpp>
 

src/gui/auxiliary/timer.hpp

@@ -30,7 +30,12 @@
 #ifndef GUI_WIDGETS_AUXILIARY_TIMER_HPP_INCLUDED
 #define GUI_WIDGETS_AUXILIARY_TIMER_HPP_INCLUDED
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include <SDL_types.h>
 

src/gui/auxiliary/window_builder.hpp

@@ -19,7 +19,12 @@
 #include "gui/widgets/grid.hpp"
 #include "reference_counted_object.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 class config;
 class CVideo;

src/gui/dialogs/dialog.hpp

@@ -17,7 +17,12 @@
 
 #include "gui/dialogs/field-fwd.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include <string>
 #include <vector>

src/gui/widgets/pane.hpp

@@ -19,7 +19,12 @@
 #include "gui/auxiliary/window_builder.hpp"
 #include "gui/auxiliary/placer.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include <list>
 

src/gui/widgets/scrollbar.hpp

@@ -18,7 +18,12 @@
 #include "gui/auxiliary/notifier.hpp"
 #include "gui/widgets/control.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 namespace gui2
 {

src/gui/widgets/selectable.hpp

@@ -15,7 +15,12 @@
 #ifndef GUI_WIDGETS_SELECTABLE_HPP_INCLUDED
 #define GUI_WIDGETS_SELECTABLE_HPP_INCLUDED
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 namespace gui2
 {

src/gui/widgets/settings.hpp

@@ -24,7 +24,12 @@
 
 #include "utils/foreach.tpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include <string>
 #include <vector>

src/gui/widgets/text.hpp

@@ -21,7 +21,12 @@
 
 #include <string>
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 namespace gui2
 {

src/gui/widgets/window.hpp

@@ -30,7 +30,12 @@
 #include "SDL.h"
 
 #include <string>
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 class CVideo;
 

src/playturn_network_adapter.hpp

@@ -5,7 +5,12 @@
 
 #include "config.hpp"
 #include <list>
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 /*
 	The purpose if this class is to preprocess incoming network data, and provide a steam that always returns just one command/action at a time.

src/random_new_synced.hpp

@@ -19,7 +19,12 @@
 #include "random_new.hpp"
 #include "simple_rng.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 
 /*

src/server/player_network.hpp

@@ -20,7 +20,12 @@
 #include "player.hpp"
 #include "simple_wml.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 namespace wesnothd {
 

src/server/server.hpp

@@ -25,7 +25,12 @@
 #include "room_manager.hpp"
 #include "simple_wml.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include <boost/scoped_ptr.hpp>
 
 class server

src/synced_commands.hpp

@@ -17,7 +17,12 @@
 #include <exception>
 #include "config.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 class synced_command {
 	public:
 		/*

src/synced_context.hpp

@@ -14,7 +14,12 @@
 #ifndef SYNCED_CONTEXT_H_INCLUDED
 #define SYNCED_CONTEXT_H_INCLUDED
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 #include "synced_commands.hpp"
 #include "synced_checkup.hpp"
 #include "replay.hpp"

src/tests/test_sdl_utils.hpp

@@ -17,7 +17,12 @@
 
 #include "sdl/utils.hpp"
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 typedef boost::function<
 		void(const surface&, const double, const Uint32)>

src/wesmage/filter.cpp

@@ -19,7 +19,12 @@
 
 #include <boost/bind.hpp>
 #include <boost/foreach.hpp>
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include <iostream>
 

src/whiteboard/utility.hpp

@@ -22,7 +22,12 @@
 #include <vector>
 #include <deque>
 
+
+#ifndef INCL_BOOST_FUNCTION_HPP_
+#define INCL_BOOST_FUNCTION_HPP_
 #include <boost/function.hpp>
+#endif
+
 
 #include "typedefs.hpp"