diff --git a/include/boost/cerrno.hpp b/include/boost/cerrno.hpp
new file mode 100644
index 0000000..5a3f082
--- /dev/null
+++ b/include/boost/cerrno.hpp
@@ -0,0 +1,23 @@
+//  Boost Filesystem cerrno.hpp header  --------------------------------------//
+
+//  © Copyright Beman Dawes 2005.
+//  Use, modification, and distribution is subject to the Boost Software
+//  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See library home page at http://www.boost.org/libs/filesystem
+
+#ifndef BOOST_FILESYSTEM_CERRNO_HPP
+#define BOOST_FILESYSTEM_CERRNO_HPP
+
+#include <cerrno>
+
+#if defined __BORLANDC__
+#define ENOSYS       9997
+#endif
+
+#define EBADHANDLE   9998  // bad handle
+#define EOTHER       9999  // Other error not translatable
+                           // to a POSIX errno value
+
+#endif // include guard