Add a (disabled) copy operator to ExceptionBase.

diff --git a/include/deal.II/base/exceptions.h b/include/deal.II/base/exceptions.h
index dab519cdc77df6ddf719a18d7e3fe5699aac42e5..8649ee67fe6f7819122b7b6b6ca2c612e718220e 100644 (file)
--- a/include/deal.II/base/exceptions.h
+++ b/include/deal.II/base/exceptions.h
@@ -142,6 +142,11 @@ protected:
 #endif
 
 private:
+  /**
+   * Copy operator. Made private since it is not used and not implemented.
+   */
+  ExceptionBase operator= (const ExceptionBase &exc);
+
   /**
    * Internal function that generates the c_string. Called by what().
    */