From b52988ae97c83c8272212e905410b57ba57009d5 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 15 Nov 2010 19:53:31 +0000
Subject: [PATCH] fix missing symbol errors on OS X

git-svn-id: svn://localhost/ardour2/branches/3.0@8042 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/plugin_ui.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtk2_ardour/plugin_ui.cc b/gtk2_ardour/plugin_ui.cc
index 291800615d..b08b5a3a0f 100644
--- a/gtk2_ardour/plugin_ui.cc
+++ b/gtk2_ardour/plugin_ui.cc
@@ -38,6 +38,7 @@
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/doi.h>
 #include <gtkmm2ext/slider_controller.h>
+#include <gtkmm2ext/application.h>
 
 #include "midi++/manager.h"
 
@@ -291,8 +292,7 @@ PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert>)
         _pluginui->KeyboardFocused.connect (sigc::mem_fun (*this, &PluginUIWindow::keyboard_focused));
 	add (*box);
 
-	extern sigc::signal<void,bool> ApplicationActivationChanged;
-	ApplicationActivationChanged.connect (sigc::mem_fun (*this, &PluginUIWindow::app_activated));
+	Application::instance()->ActivationChanged.connect (mem_fun (*this, &PluginUIWindow::app_activated));
 
 	return true;
 #endif