update sources to ceph Nautilus 14.2.1

[ceph.git] / ceph / src / boost / boost / asio / detail / config.hpp

diff --git a/ceph/src/boost/boost/asio/detail/config.hpp b/ceph/src/boost/boost/asio/detail/config.hpp
index b3272a666f0197ece9343bcfea1f31d128da573d..126be7e64fcbc934041195f0c1eeb2be7e50daee 100644 (file)
--- a/ceph/src/boost/boost/asio/detail/config.hpp
+++ b/ceph/src/boost/boost/asio/detail/config.hpp
@@ -2,7 +2,7 @@
 // detail/config.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under 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)
@@ -69,6 +69,9 @@
       || (!defined(__MWERKS__) && !defined(__EDG_VERSION__)))
 #  define BOOST_ASIO_MSVC _MSC_VER
 # endif // defined(BOOST_ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
+#endif // !defined(BOOST_ASIO_MSVC)
+#if defined(BOOST_ASIO_MSVC)
+# include <ciso646> // Needed for _HAS_CXX17.
 #endif // defined(BOOST_ASIO_MSVC)
 
 // Clang / libc++ detection.
@@ -756,7 +759,9 @@
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
 #    if defined(__GXX_EXPERIMENTAL_CXX0X__)
-#     define BOOST_ASIO_HAS_STD_FUTURE 1
+#     if defined(_GLIBCXX_HAS_GTHREADS)
+#      define BOOST_ASIO_HAS_STD_FUTURE 1
+#     endif // defined(_GLIBCXX_HAS_GTHREADS)
 #    endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
 #   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
@@ -768,13 +773,37 @@
 # endif // !defined(BOOST_ASIO_DISABLE_STD_FUTURE)
 #endif // !defined(BOOST_ASIO_HAS_STD_FUTURE)
 
-// Standard library support for experimental::string_view.
+// Standard library support for std::string_view.
 #if !defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
 # if !defined(BOOST_ASIO_DISABLE_STD_STRING_VIEW)
 #  if defined(__clang__)
+#   if (__cplusplus >= 201703)
+#    if __has_include(<string_view>)
+#     define BOOST_ASIO_HAS_STD_STRING_VIEW 1
+#    endif // __has_include(<string_view>)
+#   endif // (__cplusplus >= 201703)
+#  endif // defined(__clang__)
+#  if defined(__GNUC__)
+#   if (__GNUC__ >= 7)
+#    if (__cplusplus >= 201703)
+#     define BOOST_ASIO_HAS_STD_STRING_VIEW 1
+#    endif // (__cplusplus >= 201703)
+#   endif // (__GNUC__ >= 7)
+#  endif // defined(__GNUC__)
+#  if defined(BOOST_ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _HAS_CXX17)
+#    define BOOST_ASIO_HAS_STD_STRING_VIEW
+#   endif // (_MSC_VER >= 1910 && _HAS_CXX17)
+#  endif // defined(BOOST_ASIO_MSVC)
+# endif // !defined(BOOST_ASIO_DISABLE_STD_STRING_VIEW)
+#endif // !defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
+
+// Standard library support for std::experimental::string_view.
+#if !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# if !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#  if defined(__clang__)
 #   if (__cplusplus >= 201402)
 #    if __has_include(<experimental/string_view>)
-#     define BOOST_ASIO_HAS_STD_STRING_VIEW 1
 #     define BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // __has_include(<experimental/string_view>)
 #   endif // (__cplusplus >= 201402)
@@ -782,18 +811,23 @@
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #    if (__cplusplus >= 201402)
-#     define BOOST_ASIO_HAS_STD_STRING_VIEW 1
 #     define BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // (__cplusplus >= 201402)
-#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
+#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
-#  if defined(BOOST_ASIO_MSVC)
-#   if (_MSC_VER >= 1910 && _HAS_CXX17)
-#    define BOOST_ASIO_HAS_STD_STRING_VIEW
-#   endif // (_MSC_VER >= 1910)
-#  endif // defined(BOOST_ASIO_MSVC)
-# endif // !defined(BOOST_ASIO_DISABLE_STD_STRING_VIEW)
-#endif // !defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
+# endif // !defined(BOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#endif // !defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+// Standard library has a string_view that we can use.
+#if !defined(BOOST_ASIO_HAS_STRING_VIEW)
+# if !defined(BOOST_ASIO_DISABLE_STRING_VIEW)
+#  if defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
+#   define BOOST_ASIO_HAS_STRING_VIEW 1
+#  elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#   define BOOST_ASIO_HAS_STRING_VIEW 1
+#  endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# endif // !defined(BOOST_ASIO_DISABLE_STRING_VIEW)
+#endif // !defined(BOOST_ASIO_HAS_STRING_VIEW)
 
 // Standard library support for iostream move construction and assignment.
 #if !defined(BOOST_ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -813,6 +847,17 @@
 # endif // !defined(BOOST_ASIO_DISABLE_STD_IOSTREAM_MOVE)
 #endif // !defined(BOOST_ASIO_HAS_STD_IOSTREAM_MOVE)
 
+// Standard library has invoke_result (which supersedes result_of).
+#if !defined(BOOST_ASIO_HAS_STD_INVOKE_RESULT)
+# if !defined(BOOST_ASIO_DISABLE_STD_INVOKE_RESULT)
+#  if defined(BOOST_ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _HAS_CXX17)
+#    define BOOST_ASIO_HAS_STD_INVOKE_RESULT 1
+#   endif // (_MSC_VER >= 1910 && _HAS_CXX17)
+#  endif // defined(BOOST_ASIO_MSVC)
+# endif // !defined(BOOST_ASIO_DISABLE_STD_INVOKE_RESULT)
+#endif // !defined(BOOST_ASIO_HAS_STD_INVOKE_RESULT)
+
 // Windows App target. Windows but with a limited API.
 #if !defined(BOOST_ASIO_WINDOWS_APP)
 # if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
@@ -1367,4 +1412,24 @@
 # define BOOST_ASIO_UNUSED_VARIABLE
 #endif // !defined(BOOST_ASIO_UNUSED_VARIABLE)
 
+// Support co_await on compilers known to allow it.
+#if !defined(BOOST_ASIO_HAS_CO_AWAIT)
+# if !defined(BOOST_ASIO_DISABLE_CO_AWAIT)
+#  if defined(BOOST_ASIO_MSVC)
+#   if (_MSC_FULL_VER >= 190023506)
+#    if defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#     define BOOST_ASIO_HAS_CO_AWAIT 1
+#    endif // defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#   endif // (_MSC_FULL_VER >= 190023506)
+#  endif // defined(BOOST_ASIO_MSVC)
+# endif // !defined(BOOST_ASIO_DISABLE_CO_AWAIT)
+# if defined(__clang__)
+#  if (__cpp_coroutines >= 201703)
+#   if __has_include(<experimental/coroutine>)
+#    define BOOST_ASIO_HAS_CO_AWAIT 1
+#   endif // __has_include(<experimental/coroutine>)
+#  endif // (__cpp_coroutines >= 201703)
+# endif // defined(__clang__)
+#endif // !defined(BOOST_ASIO_HAS_CO_AWAIT)
+
 #endif // BOOST_ASIO_DETAIL_CONFIG_HPP