Squashed 'third_party/boostorg/config/' content from commit bb3c8a2

Change-Id: I20e82d188260045e00478e35813b54ca7fda6eaf
git-subtree-dir: third_party/boostorg/config
git-subtree-split: bb3c8a20dcb3a97e0c999a5869305398fa6d8a11
diff --git a/include/boost/config/stdlib/vacpp.hpp b/include/boost/config/stdlib/vacpp.hpp
new file mode 100644
index 0000000..c4e1fb1
--- /dev/null
+++ b/include/boost/config/stdlib/vacpp.hpp
@@ -0,0 +1,73 @@
+//  (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_POINTER_TRAITS
+#  define BOOST_NO_CXX11_ATOMIC_SMART_PTR
+#  define BOOST_NO_CXX11_SMART_PTR
+#  define BOOST_NO_CXX11_HDR_FUNCTIONAL
+#  define BOOST_NO_CXX11_HDR_ATOMIC
+#  define BOOST_NO_CXX11_STD_ALIGN
+#  define BOOST_NO_CXX11_ADDRESSOF
+
+#if defined(__has_include)
+#if !__has_include(<shared_mutex>)
+#  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#elif __cplusplus < 201402
+#  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#endif
+#else
+#  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#endif
+
+// C++14 features
+#  define BOOST_NO_CXX14_STD_EXCHANGE
+
+// C++17 features
+#  define BOOST_NO_CXX17_STD_APPLY
+#  define BOOST_NO_CXX17_STD_INVOKE
+#  define BOOST_NO_CXX17_ITERATOR_TRAITS
+
+#define BOOST_STDLIB "Visual Age default standard library"