From a1f323f5283aae895f4d2dc3c5ddece22a05f4b3 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Mon, 6 Jun 2016 13:32:27 +0200
Subject: [PATCH] Fix build against OSG 3.5.3

---
 extern/osgQt/GraphicsWindowQt     |  3 ---
 extern/osgQt/GraphicsWindowQt.cpp | 14 --------------
 2 files changed, 17 deletions(-)

diff --git a/extern/osgQt/GraphicsWindowQt b/extern/osgQt/GraphicsWindowQt
index ad456ef445..3be1da0515 100644
--- a/extern/osgQt/GraphicsWindowQt
+++ b/extern/osgQt/GraphicsWindowQt
@@ -37,9 +37,6 @@ namespace osgQt
 // forward declarations
 class GraphicsWindowQt;
 
-/// The function sets the WindowingSystem to Qt.
-void initQtWindowingSystem();
-
 /** The function sets the viewer that will be used after entering
  *  the Qt main loop (QCoreApplication::exec()).
  *
diff --git a/extern/osgQt/GraphicsWindowQt.cpp b/extern/osgQt/GraphicsWindowQt.cpp
index 46df7216ce..78a2ae6161 100644
--- a/extern/osgQt/GraphicsWindowQt.cpp
+++ b/extern/osgQt/GraphicsWindowQt.cpp
@@ -639,20 +639,6 @@ private:
 };
 
 
-// declare C entry point for static compilation.
-extern "C" void graphicswindow_Qt(void)
-{
-    osg::GraphicsContext::setWindowingSystemInterface(QtWindowingSystem::getInterface());
-}
-
-
-void osgQt::initQtWindowingSystem()
-{
-    graphicswindow_Qt();
-}
-
-
-
 void osgQt::setViewer( osgViewer::ViewerBase *viewer )
 {
     HeartBeat::instance()->init( viewer );