diff -rubx CVS -x .svn boost/numeric/bindings/traits/ublas_matrix.hpp boost/boost/numeric/bindings/traits/ublas_matrix.hpp
--- boost/numeric/bindings/traits/ublas_matrix.hpp	2007-03-17 14:04:44.000000000 +0100
+++ boost/boost/numeric/bindings/traits/ublas_matrix.hpp	2007-03-17 20:02:35.000000000 +0100
@@ -30,6 +30,7 @@
 #  include <boost/static_assert.hpp>
 #  include <boost/type_traits/same_traits.hpp>
 #endif
+#include <boost/version.hpp>
 
 
 namespace boost { namespace numeric { namespace bindings { namespace traits {
@@ -75,7 +76,11 @@
     static int leading_dimension (matrix_type& m) {
       // g++ 2.95.4 and 3.0.4 (with -pedantic) dislike 
       //   identifier_type::functor_type::size2()
-      return functor_t::size_M (m.size1(), m.size2());
+#if BOOST_VERSION >= 103400
+      return functor_t::size_m(m.size1(), m.size2());
+#else
+      return functor_t::size2 (m.size1(), m.size2());
+#endif
     }
 
     // stride1 == distance (m (i, j), m (i+1, j))