Provide a definition of a static variable.

diff --git a/source/dofs/dof_handler.cc b/source/dofs/dof_handler.cc
index 7b26b157ce62165442277b494fc8167000d55931..ade43ed966780625bbcd72dbcc6a71a0ab8fc510 100644 (file)
--- a/source/dofs/dof_handler.cc
+++ b/source/dofs/dof_handler.cc
@@ -40,10 +40,15 @@
 
 DEAL_II_NAMESPACE_OPEN
 
+template <int dim, int spacedim>
+const unsigned int DoFHandler<dim, spacedim>::default_fe_index;
+
+
 template <int dim, int spacedim>
 const typename DoFHandler<dim, spacedim>::active_fe_index_type
   DoFHandler<dim, spacedim>::invalid_active_fe_index;
 
+
 namespace internal
 {
   template <int dim, int spacedim>