Incomplete work for using Boost.Polygon to compute medial axis

xs/src/boost/config/stdlib/vacpp.hpp

@@ -0,0 +1,54 @@
+//  (C) Copyright John Maddock 2001 - 2002. 
+//  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)
+
+//  See http://www.boost.org for most recent version.
+
+#if __IBMCPP__ <= 501
+#  define BOOST_NO_STD_ALLOCATOR
+#endif
+
+#define BOOST_HAS_MACRO_USE_FACET
+#define BOOST_NO_STD_MESSAGES
+
+// Apple doesn't seem to reliably defined a *unix* macro
+#if !defined(CYGWIN) && (  defined(__unix__)  \
+                        || defined(__unix)    \
+                        || defined(unix)      \
+                        || defined(__APPLE__) \
+                        || defined(__APPLE)   \
+                        || defined(APPLE))
+#  include <unistd.h>
+#endif
+
+//  C++0x headers not yet implemented
+//
+#  define BOOST_NO_CXX11_HDR_ARRAY
+#  define BOOST_NO_CXX11_HDR_CHRONO
+#  define BOOST_NO_CXX11_HDR_CODECVT
+#  define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
+#  define BOOST_NO_CXX11_HDR_FORWARD_LIST
+#  define BOOST_NO_CXX11_HDR_FUTURE
+#  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
+#  define BOOST_NO_CXX11_HDR_MUTEX
+#  define BOOST_NO_CXX11_HDR_RANDOM
+#  define BOOST_NO_CXX11_HDR_RATIO
+#  define BOOST_NO_CXX11_HDR_REGEX
+#  define BOOST_NO_CXX11_HDR_SYSTEM_ERROR
+#  define BOOST_NO_CXX11_HDR_THREAD
+#  define BOOST_NO_CXX11_HDR_TUPLE
+#  define BOOST_NO_CXX11_HDR_TYPE_TRAITS
+#  define BOOST_NO_CXX11_HDR_TYPEINDEX
+#  define BOOST_NO_CXX11_HDR_UNORDERED_MAP
+#  define BOOST_NO_CXX11_HDR_UNORDERED_SET
+#  define BOOST_NO_CXX11_NUMERIC_LIMITS
+#  define BOOST_NO_CXX11_ALLOCATOR
+#  define BOOST_NO_CXX11_ATOMIC_SMART_PTR
+#  define BOOST_NO_CXX11_SMART_PTR
+#  define BOOST_NO_CXX11_HDR_FUNCTIONAL
+
+#define BOOST_STDLIB "Visual Age default standard library"
+
+
+