From Stephan Huber, "CLang / LLVM on OS X seems to have a problem compiling the osgGA-serializer. (It was reported before on the list, but the error is hard to track as it shows up only sometimes)

I fixed the compile-error with a dedicated destructor of osgGA::GUIEventHandler"

src/osgGA/GUIEventHandler.cpp

@@ -16,6 +16,13 @@
 
 using namespace osgGA;
 
+
+GUIEventHandler::~GUIEventHandler()
+{
+
+}
+
+
 // adapt EventHandler usage to old style GUIEventHandler usage
 bool GUIEventHandler::handle(osgGA::Event* event, osg::Object* object, osg::NodeVisitor* nv)
 {