Index: yaml-cpp-yaml-cpp-0.6.3/src/node_data.cpp
===================================================================
--- yaml-cpp-yaml-cpp-0.6.3.orig/src/node_data.cpp
+++ yaml-cpp-yaml-cpp-0.6.3/src/node_data.cpp
@@ -17,6 +17,11 @@ const std::string& node_data::empty_scal
   static const std::string svalue;
   return svalue;
 }
+extern "C" {
+// provides 0.6.1 ABI compatibility for:
+//  std::string node_data::empty_scalar;
+std::string _ZN4YAML6detail9node_data12empty_scalarB5cxx11E;
+}
 
 node_data::node_data()
     : m_isDefined(false),