From 516484a8210bfec14a86cacc1c866c0ba6a6c44d Mon Sep 17 00:00:00 2001
From: Tanzinul Islam <11808226+tanzislam@users.noreply.github.com>
Date: Wed, 23 Dec 2020 23:57:18 +0000
Subject: [PATCH] Define BOOST_SYSTEM_DEPRECATED for other compilers

Currently compilation fails with Oracle Developer Studio 12.6, for example:

    $ ./b2 toolset=sun threading=multi variant=debug link=static cxxflags=-std=c++11 --with-system
    ...
    "./boost/system/detail/error_condition.hpp", line 96: Error: BOOST_SYSTEM_DEPRECATED is not defined.
    "./boost/system/detail/error_condition.hpp", line 96: Error: No direct declarator preceding ""this function is slated for removal"".
    "./boost/system/detail/error_condition.hpp", line 96: Error: No direct declarator preceding "(".
---
 include/boost/system/detail/config.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/boost/system/detail/config.hpp b/include/boost/system/detail/config.hpp
index f6ace68..296519b 100644
--- a/include/boost/system/detail/config.hpp
+++ b/include/boost/system/detail/config.hpp
@@ -60,6 +60,8 @@
 # endif
 #elif defined(_MSC_VER)
 #  define BOOST_SYSTEM_DEPRECATED(msg) __declspec(deprecated(msg))
+#else
+# define BOOST_SYSTEM_DEPRECATED(msg)
 #endif
 
 #endif // BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED