From a571b3a25082e383d63725ae3cc057fe432f449c Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 22 Apr 2019 06:07:36 +0300
Subject: [PATCH] Only include core/typeinfo.hpp when needed

---
 .../boost/smart_ptr/detail/sp_typeinfo_.hpp   | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/boost/smart_ptr/detail/sp_typeinfo_.hpp b/include/boost/smart_ptr/detail/sp_typeinfo_.hpp
index 6909603..287bf72 100644
--- a/include/boost/smart_ptr/detail/sp_typeinfo_.hpp
+++ b/include/boost/smart_ptr/detail/sp_typeinfo_.hpp
@@ -15,6 +15,10 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 
+#include <boost/config.hpp>
+
+#if defined( BOOST_NO_TYPEID ) || defined( BOOST_NO_STD_TYPEINFO )
+
 #include <boost/core/typeinfo.hpp>
 
 namespace boost
@@ -31,4 +35,24 @@ typedef boost::core::typeinfo sp_typeinfo_;
 
 #define BOOST_SP_TYPEID_(T) BOOST_CORE_TYPEID(T)
 
+#else // defined( BOOST_NO_TYPEID ) || defined( BOOST_NO_STD_TYPEINFO )
+
+#include <typeinfo>
+
+namespace boost
+{
+
+namespace detail
+{
+
+typedef std::type_info sp_typeinfo_;
+
+} // namespace detail
+
+} // namespace boost
+
+#define BOOST_SP_TYPEID_(T) typeid(T)
+
+#endif // defined( BOOST_NO_TYPEID ) || defined( BOOST_NO_STD_TYPEINFO )
+
 #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_TYPEINFO_HPP_INCLUDED