Incomplete work for using Boost.Polygon to compute medial axis

xs/src/boost/detail/winapi/GetLastError.hpp

@@ -0,0 +1,31 @@
+//  GetLastError.hpp  --------------------------------------------------------------//
+
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+
+#ifndef BOOST_DETAIL_WINAPI_GETLASTERROR_HPP
+#define BOOST_DETAIL_WINAPI_GETLASTERROR_HPP
+
+#include <boost/detail/winapi/basic_types.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+namespace detail {
+namespace winapi {
+#if defined( BOOST_USE_WINDOWS_H )
+    using ::GetLastError;
+#else
+    extern "C" __declspec(dllimport) DWORD_ WINAPI
+        GetLastError();
+#endif
+}
+}
+}
+
+#endif // BOOST_DETAIL_WINAPI_GETLASTERROR_HPP