If no HAVE_STD_SHARED_PTR or HAVE_BOOST_SHARED_PTR then set ptr_lib to ndnboost in the boost headers in this distribution.
diff --git a/boost/config/compiler/digitalmars.hpp b/boost/config/compiler/digitalmars.hpp
new file mode 100644
index 0000000..15cc209
--- /dev/null
+++ b/boost/config/compiler/digitalmars.hpp
@@ -0,0 +1,103 @@
+// Copyright (C) Christof Meerwald 2003
+// Copyright (C) Dan Watkins 2003
+//
+// Use, modification and distribution are 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)
+
+// Digital Mars C++ compiler setup:
+#define BOOST_COMPILER __DMC_VERSION_STRING__
+
+#define BOOST_HAS_LONG_LONG
+#define BOOST_HAS_PRAGMA_ONCE
+
+#if (__DMC__ <= 0x833)
+#define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
+#define BOOST_NO_TEMPLATE_TEMPLATES
+#define BOOST_NEEDS_TOKEN_PASTING_OP_FOR_TOKENS_JUXTAPOSING
+#define BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS
+#define BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
+#endif
+#if (__DMC__ <= 0x840) || !defined(BOOST_STRICT_CONFIG)
+#define BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
+#define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
+#define BOOST_NO_OPERATORS_IN_NAMESPACE
+#define BOOST_NO_UNREACHABLE_RETURN_DETECTION
+#define BOOST_NO_SFINAE
+#define BOOST_NO_USING_TEMPLATE
+#define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
+#endif
+
+//
+// has macros:
+#if (__DMC__ >= 0x840)
+#define BOOST_HAS_DIRENT_H
+#define BOOST_HAS_STDINT_H
+#define BOOST_HAS_WINTHREADS
+#endif
+
+#if (__DMC__ >= 0x847)
+#define BOOST_HAS_EXPM1
+#define BOOST_HAS_LOG1P
+#endif
+
+//
+// Is this really the best way to detect whether the std lib is in namespace std?
+//
+#ifdef __cplusplus
+#include <cstddef>
+#endif
+#if !defined(__STL_IMPORT_VENDOR_CSTD) && !defined(_STLP_IMPORT_VENDOR_CSTD)
+# define BOOST_NO_STDC_NAMESPACE
+#endif
+
+
+// check for exception handling support:
+#if !defined(_CPPUNWIND) && !defined(BOOST_NO_EXCEPTIONS)
+# define BOOST_NO_EXCEPTIONS
+#endif
+
+//
+// C++0x features
+//
+#define BOOST_NO_CXX11_AUTO_DECLARATIONS
+#define BOOST_NO_CXX11_AUTO_MULTIDECLARATIONS
+#define BOOST_NO_CXX11_CHAR16_T
+#define BOOST_NO_CXX11_CHAR32_T
+#define BOOST_NO_CXX11_CONSTEXPR
+#define BOOST_NO_CXX11_DECLTYPE
+#define BOOST_NO_CXX11_DECLTYPE_N3276
+#define BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
+#define BOOST_NO_CXX11_DELETED_FUNCTIONS
+#define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
+#define BOOST_NO_CXX11_EXTERN_TEMPLATE
+#define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
+#define BOOST_NO_CXX11_LAMBDAS
+#define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
+#define BOOST_NO_CXX11_NOEXCEPT
+#define BOOST_NO_CXX11_NULLPTR
+#define BOOST_NO_CXX11_RANGE_BASED_FOR
+#define BOOST_NO_CXX11_RAW_LITERALS
+#define BOOST_NO_CXX11_RVALUE_REFERENCES
+#define BOOST_NO_CXX11_SCOPED_ENUMS
+#define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_STATIC_ASSERT
+#define BOOST_NO_CXX11_TEMPLATE_ALIASES
+#define BOOST_NO_CXX11_UNICODE_LITERALS
+#define BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+
+#if (__DMC__ < 0x812)
+#define BOOST_NO_CXX11_VARIADIC_MACROS
+#endif
+
+#if __DMC__ < 0x800
+#error "Compiler not supported or configured - please reconfigure"
+#endif
+//
+// last known and checked version is ...:
+#if (__DMC__ > 0x848)
+# if defined(BOOST_ASSERT_CONFIG)
+# error "Unknown compiler version - please run the configure tests and report the results"
+# endif
+#endif