From a6c988181e5992ac9c02bb0690ca3b0850ee22a2 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Thu, 16 Sep 2021 19:25:26 +0300
Subject: [PATCH] Include result.hpp in <boost/system.hpp>

---
 include/boost/system.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/boost/system.hpp b/include/boost/system.hpp
index 3ab9a45..5b70281 100644
--- a/include/boost/system.hpp
+++ b/include/boost/system.hpp
@@ -10,4 +10,8 @@
 #include <boost/system/error_code.hpp>
 #include <boost/system/system_error.hpp>
 
+#if (__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1900)
+# include <boost/system/result.hpp>
+#endif
+
 #endif // #ifndef BOOST_SYSTEM_HPP_INCLUDED