$OpenBSD: patch-src_editor_viewport_hpp,v 1.1 2020/10/21 00:05:36 sthen Exp $

Switched to boost::signals2

Index: src/editor/viewport.hpp
--- src/editor/viewport.hpp.orig
+++ src/editor/viewport.hpp
@@ -18,7 +18,7 @@
 #ifndef HEADER_PINGUS_EDITOR_VIEWPORT_HPP
 #define HEADER_PINGUS_EDITOR_VIEWPORT_HPP
 
-#include <boost/signal.hpp>
+#include <boost/signals2.hpp>
 #include <set>
 
 #include "editor/selection.hpp"
@@ -148,7 +148,7 @@ class Viewport : public GUI::RectComponent  (public)
 
   void clear_selection();
 
-  boost::signal<void (const Selection&)> selection_changed;
+  boost::signals2::signal<void (const Selection&)> selection_changed;
 private:
   Viewport();
   Viewport (const Viewport&);
