1 files changed, 3 insertions, 12 deletions
diff --git a/3rdParty/Boost/src/boost/archive/polymorphic_iarchive.hpp b/3rdParty/Boost/src/boost/archive/polymorphic_iarchive.hpp
index 2f76cf2..50488a3 100644
--- a/3rdParty/Boost/src/boost/archive/polymorphic_iarchive.hpp
+++ b/3rdParty/Boost/src/boost/archive/polymorphic_iarchive.hpp
@@ -2,7 +2,7 @@
 #define BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
 
 // MS compatible compilers support #pragma once
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
 # pragma once
 #endif
 
@@ -39,8 +39,6 @@ namespace std{
 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
 
 namespace boost {
-template<class T>
-class shared_ptr;
 namespace serialization {
     class extended_type_info;
 } // namespace serialization
@@ -155,18 +153,11 @@ public:
 
 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
 
-// note special treatment of shared_ptr. This type needs a special
-// structure associated with every archive.  We created a "mix-in"
-// class to provide this functionality.  Since shared_ptr holds a
-// special esteem in the boost library - we included it here by default.
-#include <boost/archive/shared_ptr_helper.hpp>
-
-namespace boost { 
+namespace boost {
 namespace archive {
 
 class polymorphic_iarchive : 
-    public polymorphic_iarchive_impl,
-    public detail::shared_ptr_helper
+    public polymorphic_iarchive_impl
 {
 public:
     virtual ~polymorphic_iarchive(){};