$OpenBSD: patch-boost_interprocess_detail_transform_iterator_hpp,v 1.1 2012/10/15 20:31:59 robert Exp $
--- boost/interprocess/detail/transform_iterator.hpp.orig	Sat Oct 13 12:35:34 2012
+++ boost/interprocess/detail/transform_iterator.hpp	Sat Oct 13 12:35:40 2012
@@ -54,7 +54,7 @@ struct operator_arrow_proxy<T&>
    // This function is needed for MWCW and BCC, which won't call operator->
    // again automatically per 13.3.1.2 para 8
 //   operator T*() const { return &m_value; }
-   mutable T &m_value;
+   T &m_value;
 };
 
 template <class Iterator, class UnaryFunction>
