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Diffstat (limited to 'boost/archive/polymorphic_oarchive.hpp')
-rw-r--r--boost/archive/polymorphic_oarchive.hpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/boost/archive/polymorphic_oarchive.hpp b/boost/archive/polymorphic_oarchive.hpp
index 420029b5b6..1eb9e0b419 100644
--- a/boost/archive/polymorphic_oarchive.hpp
+++ b/boost/archive/polymorphic_oarchive.hpp
@@ -2,7 +2,7 @@
#define BOOST_ARCHIVE_POLYMORPHIC_OARCHIVE_HPP
// MS compatible compilers support #pragma once
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
# pragma once
#endif
@@ -38,8 +38,6 @@ 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