Index: boost/lexical_cast.hpp
===================================================================
--- boost/lexical_cast.hpp	(revision 75600)
+++ boost/lexical_cast.hpp	(working copy)
@@ -47,9 +47,11 @@
 #include <boost/detail/lcast_precision.hpp>
 #include <boost/detail/workaround.hpp>
 #include <boost/container/container_fwd.hpp>
+
+#ifndef BOOST_NO_CWCHAR
 #include <cwchar>
+#endif
 
-
 #ifndef BOOST_NO_STD_LOCALE
 #   include <locale>
 #else