diff --git a/include/boost/intrusive/any_hook.hpp b/include/boost/intrusive/any_hook.hpp
index 144d661..697caa4 100644
--- a/include/boost/intrusive/any_hook.hpp
+++ b/include/boost/intrusive/any_hook.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_ANY_HOOK_HPP
 #define BOOST_INTRUSIVE_ANY_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/any_node_and_algorithms.hpp>
diff --git a/include/boost/intrusive/avl_set.hpp b/include/boost/intrusive/avl_set.hpp
index 9ae6bd4..58d6108 100644
--- a/include/boost/intrusive/avl_set.hpp
+++ b/include/boost/intrusive/avl_set.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_AVL_SET_HPP
 #define BOOST_INTRUSIVE_AVL_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/avltree.hpp>
diff --git a/include/boost/intrusive/avl_set_hook.hpp b/include/boost/intrusive/avl_set_hook.hpp
index c4526c6..6fdc51b 100644
--- a/include/boost/intrusive/avl_set_hook.hpp
+++ b/include/boost/intrusive/avl_set_hook.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_AVL_SET_HOOK_HPP
 #define BOOST_INTRUSIVE_AVL_SET_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/avltree.hpp b/include/boost/intrusive/avltree.hpp
index b5df120..a59dfec 100644
--- a/include/boost/intrusive/avltree.hpp
+++ b/include/boost/intrusive/avltree.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_AVLTREE_HPP
 #define BOOST_INTRUSIVE_AVLTREE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <cstddef>
diff --git a/include/boost/intrusive/avltree_algorithms.hpp b/include/boost/intrusive/avltree_algorithms.hpp
index 1747b87..e5bcfde 100644
--- a/include/boost/intrusive/avltree_algorithms.hpp
+++ b/include/boost/intrusive/avltree_algorithms.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_AVLTREE_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_AVLTREE_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/bs_set.hpp b/include/boost/intrusive/bs_set.hpp
index 8a328fa..b87a543 100644
--- a/include/boost/intrusive/bs_set.hpp
+++ b/include/boost/intrusive/bs_set.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_BS_SET_HPP
 #define BOOST_INTRUSIVE_BS_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/bs_set_hook.hpp b/include/boost/intrusive/bs_set_hook.hpp
index 1b5a2bb..cb5af30 100644
--- a/include/boost/intrusive/bs_set_hook.hpp
+++ b/include/boost/intrusive/bs_set_hook.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_BS_SET_HOOK_HPP
 #define BOOST_INTRUSIVE_BS_SET_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/bstree.hpp b/include/boost/intrusive/bstree.hpp
index 490dbc8..bf63f3a 100644
--- a/include/boost/intrusive/bstree.hpp
+++ b/include/boost/intrusive/bstree.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_BSTREE_HPP
 #define BOOST_INTRUSIVE_BSTREE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/bstree_algorithms.hpp b/include/boost/intrusive/bstree_algorithms.hpp
index ca12460..de5445e 100644
--- a/include/boost/intrusive/bstree_algorithms.hpp
+++ b/include/boost/intrusive/bstree_algorithms.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_BSTREE_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_BSTREE_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <cstddef>
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
diff --git a/include/boost/intrusive/circular_list_algorithms.hpp b/include/boost/intrusive/circular_list_algorithms.hpp
index 477718e..1e888a1 100644
--- a/include/boost/intrusive/circular_list_algorithms.hpp
+++ b/include/boost/intrusive/circular_list_algorithms.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_CIRCULAR_LIST_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_CIRCULAR_LIST_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/algo_type.hpp>
diff --git a/include/boost/intrusive/circular_slist_algorithms.hpp b/include/boost/intrusive/circular_slist_algorithms.hpp
index 68ba664..3dd561d 100644
--- a/include/boost/intrusive/circular_slist_algorithms.hpp
+++ b/include/boost/intrusive/circular_slist_algorithms.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_CIRCULAR_SLIST_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_CIRCULAR_SLIST_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <cstddef>
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
diff --git a/include/boost/intrusive/derivation_value_traits.hpp b/include/boost/intrusive/derivation_value_traits.hpp
index b55c968..87bc489 100644
--- a/include/boost/intrusive/derivation_value_traits.hpp
+++ b/include/boost/intrusive/derivation_value_traits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP
 #define BOOST_INTRUSIVE_DERIVATION_VALUE_TRAITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/link_mode.hpp>
diff --git a/include/boost/intrusive/detail/algo_type.hpp b/include/boost/intrusive/detail/algo_type.hpp
index 0b34211..e40cb43 100644
--- a/include/boost/intrusive/detail/algo_type.hpp
+++ b/include/boost/intrusive/detail/algo_type.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_ALGO_TYPE_HPP
 #define BOOST_INTRUSIVE_DETAIL_ALGO_TYPE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 
diff --git a/include/boost/intrusive/detail/any_node_and_algorithms.hpp b/include/boost/intrusive/detail/any_node_and_algorithms.hpp
index 141efd7..5a0e8c2 100644
--- a/include/boost/intrusive/detail/any_node_and_algorithms.hpp
+++ b/include/boost/intrusive/detail/any_node_and_algorithms.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_ANY_NODE_HPP
 #define BOOST_INTRUSIVE_ANY_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_rebind.hpp>
 #include <cstddef>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/array_initializer.hpp b/include/boost/intrusive/detail/array_initializer.hpp
index 40b58ff..b2072a8 100644
--- a/include/boost/intrusive/detail/array_initializer.hpp
+++ b/include/boost/intrusive/detail/array_initializer.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_ARRAY_INITIALIZER_HPP
 #define BOOST_INTRUSIVE_DETAIL_ARRAY_INITIALIZER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/core/no_exceptions_support.hpp>
 
 namespace boost {
diff --git a/include/boost/intrusive/detail/avltree_node.hpp b/include/boost/intrusive/detail/avltree_node.hpp
index eed7a8b..522806a 100644
--- a/include/boost/intrusive/detail/avltree_node.hpp
+++ b/include/boost/intrusive/detail/avltree_node.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_AVLTREE_NODE_HPP
 #define BOOST_INTRUSIVE_AVLTREE_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/pointer_rebind.hpp>
 #include <boost/intrusive/avltree_algorithms.hpp>
diff --git a/include/boost/intrusive/detail/common_slist_algorithms.hpp b/include/boost/intrusive/detail/common_slist_algorithms.hpp
index 952fd8f..4c7f1a1 100644
--- a/include/boost/intrusive/detail/common_slist_algorithms.hpp
+++ b/include/boost/intrusive/detail/common_slist_algorithms.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_COMMON_SLIST_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_COMMON_SLIST_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/assert.hpp>
 #include <boost/intrusive/detail/algo_type.hpp>
diff --git a/include/boost/intrusive/detail/default_header_holder.hpp b/include/boost/intrusive/detail/default_header_holder.hpp
index 1ec1d1b..c471691 100644
--- a/include/boost/intrusive/detail/default_header_holder.hpp
+++ b/include/boost/intrusive/detail/default_header_holder.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_DEFAULT_HEADER_HOLDER_HPP
 #define BOOST_INTRUSIVE_DETAIL_DEFAULT_HEADER_HOLDER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/to_raw_pointer.hpp>
 
diff --git a/include/boost/intrusive/detail/ebo_functor_holder.hpp b/include/boost/intrusive/detail/ebo_functor_holder.hpp
index 34bc919..d2e8107 100644
--- a/include/boost/intrusive/detail/ebo_functor_holder.hpp
+++ b/include/boost/intrusive/detail/ebo_functor_holder.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
 #define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/config.hpp>
 
 namespace boost {
diff --git a/include/boost/intrusive/detail/empty_node_checker.hpp b/include/boost/intrusive/detail/empty_node_checker.hpp
index 82bd4c0..33d78a3 100644
--- a/include/boost/intrusive/detail/empty_node_checker.hpp
+++ b/include/boost/intrusive/detail/empty_node_checker.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
 #define BOOST_INTRUSIVE_DETAIL_EMPTY_NODE_CHECKER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace detail {
diff --git a/include/boost/intrusive/detail/equal_to_value.hpp b/include/boost/intrusive/detail/equal_to_value.hpp
index 70a19e5..3ffd1c2 100644
--- a/include/boost/intrusive/detail/equal_to_value.hpp
+++ b/include/boost/intrusive/detail/equal_to_value.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_EQUAL_TO_VALUE_HPP
 #define BOOST_INTRUSIVE_DETAIL_EQUAL_TO_VALUE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace detail {
diff --git a/include/boost/intrusive/detail/exception_disposer.hpp b/include/boost/intrusive/detail/exception_disposer.hpp
index f588e0c..1226f5e 100644
--- a/include/boost/intrusive/detail/exception_disposer.hpp
+++ b/include/boost/intrusive/detail/exception_disposer.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_EXCEPTION_DISPOSER_HPP
 #define BOOST_INTRUSIVE_DETAIL_EXCEPTION_DISPOSER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace detail {
diff --git a/include/boost/intrusive/detail/function_detector.hpp b/include/boost/intrusive/detail/function_detector.hpp
index a59b14d..f72865d 100644
--- a/include/boost/intrusive/detail/function_detector.hpp
+++ b/include/boost/intrusive/detail/function_detector.hpp
@@ -22,6 +22,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP
 #define BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace function_detector {
diff --git a/include/boost/intrusive/detail/generic_hook.hpp b/include/boost/intrusive/detail/generic_hook.hpp
index 2afbf0e..41f3763 100644
--- a/include/boost/intrusive/detail/generic_hook.hpp
+++ b/include/boost/intrusive/detail/generic_hook.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_GENERIC_HOOK_HPP
 #define BOOST_INTRUSIVE_GENERIC_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/link_mode.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/hashtable_node.hpp b/include/boost/intrusive/detail/hashtable_node.hpp
index bf5216b..6449fa0 100644
--- a/include/boost/intrusive/detail/hashtable_node.hpp
+++ b/include/boost/intrusive/detail/hashtable_node.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_HASHTABLE_NODE_HPP
 #define BOOST_INTRUSIVE_HASHTABLE_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/assert.hpp>
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/hook_traits.hpp b/include/boost/intrusive/detail/hook_traits.hpp
index 498e156..e0aeb29 100644
--- a/include/boost/intrusive/detail/hook_traits.hpp
+++ b/include/boost/intrusive/detail/hook_traits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP
 #define BOOST_INTRUSIVE_DETAIL_HOOK_TRAITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/parent_from_member.hpp>
 #include <boost/intrusive/link_mode.hpp>
diff --git a/include/boost/intrusive/detail/iiterator.hpp b/include/boost/intrusive/detail/iiterator.hpp
index 07cce09..8378ead 100644
--- a/include/boost/intrusive/detail/iiterator.hpp
+++ b/include/boost/intrusive/detail/iiterator.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_IITERATOR_HPP
 #define BOOST_INTRUSIVE_DETAIL_IITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
 #include <boost/intrusive/detail/is_stateful_value_traits.hpp>
diff --git a/include/boost/intrusive/detail/is_stateful_value_traits.hpp b/include/boost/intrusive/detail/is_stateful_value_traits.hpp
index 3520b68..da2260e 100644
--- a/include/boost/intrusive/detail/is_stateful_value_traits.hpp
+++ b/include/boost/intrusive/detail/is_stateful_value_traits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_IS_STATEFUL_VALUE_TRAITS_HPP
 #define BOOST_INTRUSIVE_DETAIL_IS_STATEFUL_VALUE_TRAITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #if defined(_MSC_VER) && (_MSC_VER <= 1310)
 
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/key_nodeptr_comp.hpp b/include/boost/intrusive/detail/key_nodeptr_comp.hpp
index 757176d..dfee8b9 100644
--- a/include/boost/intrusive/detail/key_nodeptr_comp.hpp
+++ b/include/boost/intrusive/detail/key_nodeptr_comp.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_KEY_NODEPTR_COMP_HPP
 #define BOOST_INTRUSIVE_DETAIL_KEY_NODEPTR_COMP_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/mpl.hpp>
 #include <boost/intrusive/detail/ebo_functor_holder.hpp>
 
diff --git a/include/boost/intrusive/detail/list_iterator.hpp b/include/boost/intrusive/detail/list_iterator.hpp
index b73d6f8..efddfba 100644
--- a/include/boost/intrusive/detail/list_iterator.hpp
+++ b/include/boost/intrusive/detail/list_iterator.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_LIST_ITERATOR_HPP
 #define BOOST_INTRUSIVE_LIST_ITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/std_fwd.hpp>
 #include <boost/intrusive/detail/iiterator.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/list_node.hpp b/include/boost/intrusive/detail/list_node.hpp
index 86f2da8..ba97ece 100644
--- a/include/boost/intrusive/detail/list_node.hpp
+++ b/include/boost/intrusive/detail/list_node.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_LIST_NODE_HPP
 #define BOOST_INTRUSIVE_LIST_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_rebind.hpp>
 
 namespace boost {
diff --git a/include/boost/intrusive/detail/math.hpp b/include/boost/intrusive/detail/math.hpp
index 55b659c..f212ae7 100644
--- a/include/boost/intrusive/detail/math.hpp
+++ b/include/boost/intrusive/detail/math.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_MATH_HPP
 #define BOOST_INTRUSIVE_DETAIL_MATH_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <cstddef>
 #include <climits>
 
diff --git a/include/boost/intrusive/detail/mpl.hpp b/include/boost/intrusive/detail/mpl.hpp
index 0ee7058..9b2c9f1 100644
--- a/include/boost/intrusive/detail/mpl.hpp
+++ b/include/boost/intrusive/detail/mpl.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_MPL_HPP
 #define BOOST_INTRUSIVE_DETAIL_MPL_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <cstddef>
 
diff --git a/include/boost/intrusive/detail/node_cloner_disposer.hpp b/include/boost/intrusive/detail/node_cloner_disposer.hpp
index b982825..2a18100 100644
--- a/include/boost/intrusive/detail/node_cloner_disposer.hpp
+++ b/include/boost/intrusive/detail/node_cloner_disposer.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP
 #define BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/link_mode.hpp>
 #include <boost/intrusive/detail/ebo_functor_holder.hpp>
 #include <boost/intrusive/detail/algo_type.hpp>
diff --git a/include/boost/intrusive/detail/node_holder.hpp b/include/boost/intrusive/detail/node_holder.hpp
index 6f2014e..12732a8 100644
--- a/include/boost/intrusive/detail/node_holder.hpp
+++ b/include/boost/intrusive/detail/node_holder.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_NODE_HOLDER_HPP
 #define BOOST_INTRUSIVE_DETAIL_NODE_HOLDER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 
diff --git a/include/boost/intrusive/detail/node_to_value.hpp b/include/boost/intrusive/detail/node_to_value.hpp
index c43425d..6ec3971 100644
--- a/include/boost/intrusive/detail/node_to_value.hpp
+++ b/include/boost/intrusive/detail/node_to_value.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_NODE_TO_VALUE_HPP
 #define BOOST_INTRUSIVE_DETAIL_NODE_TO_VALUE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
 #include <boost/intrusive/detail/is_stateful_value_traits.hpp>
diff --git a/include/boost/intrusive/detail/parent_from_member.hpp b/include/boost/intrusive/detail/parent_from_member.hpp
index a7f2f57..3dfe8d6 100644
--- a/include/boost/intrusive/detail/parent_from_member.hpp
+++ b/include/boost/intrusive/detail/parent_from_member.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_PARENT_FROM_MEMBER_HPP
 #define BOOST_INTRUSIVE_DETAIL_PARENT_FROM_MEMBER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <cstddef>
 
diff --git a/include/boost/intrusive/detail/rbtree_node.hpp b/include/boost/intrusive/detail/rbtree_node.hpp
index ec44a3f..ab50509 100644
--- a/include/boost/intrusive/detail/rbtree_node.hpp
+++ b/include/boost/intrusive/detail/rbtree_node.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_RBTREE_NODE_HPP
 #define BOOST_INTRUSIVE_RBTREE_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/pointer_rebind.hpp>
 #include <boost/intrusive/rbtree_algorithms.hpp>
diff --git a/include/boost/intrusive/detail/reverse_iterator.hpp b/include/boost/intrusive/detail/reverse_iterator.hpp
index 35fe76b..9f443ab 100644
--- a/include/boost/intrusive/detail/reverse_iterator.hpp
+++ b/include/boost/intrusive/detail/reverse_iterator.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_ITERATOR_HPP
 #define BOOST_INTRUSIVE_DETAIL_ITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/detail/iiterator.hpp>
 
diff --git a/include/boost/intrusive/detail/simple_disposers.hpp b/include/boost/intrusive/detail/simple_disposers.hpp
index 775651a..af59772 100644
--- a/include/boost/intrusive/detail/simple_disposers.hpp
+++ b/include/boost/intrusive/detail/simple_disposers.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_SIMPLE_DISPOSERS_HPP
 #define BOOST_INTRUSIVE_DETAIL_SIMPLE_DISPOSERS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace detail {
diff --git a/include/boost/intrusive/detail/size_holder.hpp b/include/boost/intrusive/detail/size_holder.hpp
index 99fdb5e..a733187 100644
--- a/include/boost/intrusive/detail/size_holder.hpp
+++ b/include/boost/intrusive/detail/size_holder.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_SIZE_HOLDER_HPP
 #define BOOST_INTRUSIVE_DETAIL_SIZE_HOLDER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 namespace boost {
 namespace intrusive {
 namespace detail {
diff --git a/include/boost/intrusive/detail/slist_iterator.hpp b/include/boost/intrusive/detail/slist_iterator.hpp
index 0dd7209..579c660 100644
--- a/include/boost/intrusive/detail/slist_iterator.hpp
+++ b/include/boost/intrusive/detail/slist_iterator.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_SLIST_ITERATOR_HPP
 #define BOOST_INTRUSIVE_SLIST_ITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/detail/std_fwd.hpp>
 #include <boost/intrusive/detail/iiterator.hpp>
diff --git a/include/boost/intrusive/detail/slist_node.hpp b/include/boost/intrusive/detail/slist_node.hpp
index b31c1f3..437190e 100644
--- a/include/boost/intrusive/detail/slist_node.hpp
+++ b/include/boost/intrusive/detail/slist_node.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_SLIST_NODE_HPP
 #define BOOST_INTRUSIVE_SLIST_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/pointer_rebind.hpp>
 
diff --git a/include/boost/intrusive/detail/to_raw_pointer.hpp b/include/boost/intrusive/detail/to_raw_pointer.hpp
index e46d463..e7ebff9 100644
--- a/include/boost/intrusive/detail/to_raw_pointer.hpp
+++ b/include/boost/intrusive/detail/to_raw_pointer.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_TO_RAW_POINTER_HPP
 #define BOOST_INTRUSIVE_DETAIL_TO_RAW_POINTER_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/detail/pointer_element.hpp>
 
diff --git a/include/boost/intrusive/detail/transform_iterator.hpp b/include/boost/intrusive/detail/transform_iterator.hpp
index 81d95e7..698318b 100644
--- a/include/boost/intrusive/detail/transform_iterator.hpp
+++ b/include/boost/intrusive/detail/transform_iterator.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_TRANSFORM_ITERATOR_HPP
 #define BOOST_INTRUSIVE_DETAIL_TRANSFORM_ITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
 
diff --git a/include/boost/intrusive/detail/tree_iterator.hpp b/include/boost/intrusive/detail/tree_iterator.hpp
index b5574d4..c3b599d 100644
--- a/include/boost/intrusive/detail/tree_iterator.hpp
+++ b/include/boost/intrusive/detail/tree_iterator.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_TREE_ITERATOR_HPP
 #define BOOST_INTRUSIVE_TREE_ITERATOR_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/detail/std_fwd.hpp>
 #include <boost/intrusive/detail/iiterator.hpp>
diff --git a/include/boost/intrusive/detail/tree_node.hpp b/include/boost/intrusive/detail/tree_node.hpp
index ad45000..653d6fc 100644
--- a/include/boost/intrusive/detail/tree_node.hpp
+++ b/include/boost/intrusive/detail/tree_node.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_TREE_NODE_HPP
 #define BOOST_INTRUSIVE_TREE_NODE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/pointer_rebind.hpp>
 
diff --git a/include/boost/intrusive/detail/uncast.hpp b/include/boost/intrusive/detail/uncast.hpp
index 0a5e9cb..944b6cd 100644
--- a/include/boost/intrusive/detail/uncast.hpp
+++ b/include/boost/intrusive/detail/uncast.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_UNCAST_HPP
 #define BOOST_INTRUSIVE_DETAIL_UNCAST_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/pointer_traits.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/detail/workaround.hpp b/include/boost/intrusive/detail/workaround.hpp
index 4aaf1ae..ad00691 100644
--- a/include/boost/intrusive/detail/workaround.hpp
+++ b/include/boost/intrusive/detail/workaround.hpp
@@ -11,6 +11,10 @@
 #ifndef BOOST_INTRUSIVE_DETAIL_WRKRND_HPP
 #define BOOST_INTRUSIVE_DETAIL_WRKRND_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #ifndef BOOST_CONFIG_HPP
 #include <boost/config.hpp>
 #endif
diff --git a/include/boost/intrusive/hashtable.hpp b/include/boost/intrusive/hashtable.hpp
index b40def8..8deb44b 100644
--- a/include/boost/intrusive/hashtable.hpp
+++ b/include/boost/intrusive/hashtable.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_HASHTABLE_HPP
 #define BOOST_INTRUSIVE_HASHTABLE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 //std C++
diff --git a/include/boost/intrusive/intrusive_fwd.hpp b/include/boost/intrusive/intrusive_fwd.hpp
index b988ae5..a449816 100644
--- a/include/boost/intrusive/intrusive_fwd.hpp
+++ b/include/boost/intrusive/intrusive_fwd.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_FWD_HPP
 #define BOOST_INTRUSIVE_FWD_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 //! \file
 //! This header file forward declares most Intrusive classes.
 //!
diff --git a/include/boost/intrusive/linear_slist_algorithms.hpp b/include/boost/intrusive/linear_slist_algorithms.hpp
index ca04917..31e5594 100644
--- a/include/boost/intrusive/linear_slist_algorithms.hpp
+++ b/include/boost/intrusive/linear_slist_algorithms.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_LINEAR_SLIST_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_LINEAR_SLIST_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/common_slist_algorithms.hpp>
diff --git a/include/boost/intrusive/link_mode.hpp b/include/boost/intrusive/link_mode.hpp
index e353a05..c7245d9 100644
--- a/include/boost/intrusive/link_mode.hpp
+++ b/include/boost/intrusive/link_mode.hpp
@@ -10,8 +10,12 @@
 //
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP
-#define BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP
+#ifndef BOOST_INTRUSIVE_LINK_MODE_HPP
+#define BOOST_INTRUSIVE_LINK_MODE_HPP
+
+#if defined(_MSC_VER)
+#  pragma once
+#endif
 
 namespace boost {
 namespace intrusive {
@@ -56,4 +60,4 @@ struct is_safe_autounlink
 } //namespace intrusive
 } //namespace boost
 
-#endif //BOOST_INTRUSIVE_VALUE_LINK_TYPE_HPP
+#endif //BOOST_INTRUSIVE_LINK_MODE_HPP
diff --git a/include/boost/intrusive/list.hpp b/include/boost/intrusive/list.hpp
index a7efef5..3443654 100644
--- a/include/boost/intrusive/list.hpp
+++ b/include/boost/intrusive/list.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_LIST_HPP
 #define BOOST_INTRUSIVE_LIST_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/assert.hpp>
diff --git a/include/boost/intrusive/list_hook.hpp b/include/boost/intrusive/list_hook.hpp
index e7a0ced..1a06a98 100644
--- a/include/boost/intrusive/list_hook.hpp
+++ b/include/boost/intrusive/list_hook.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_LIST_HOOK_HPP
 #define BOOST_INTRUSIVE_LIST_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/member_value_traits.hpp b/include/boost/intrusive/member_value_traits.hpp
index 84fe61f..96c50ee 100644
--- a/include/boost/intrusive/member_value_traits.hpp
+++ b/include/boost/intrusive/member_value_traits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_MEMBER_VALUE_TRAITS_HPP
 #define BOOST_INTRUSIVE_MEMBER_VALUE_TRAITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/options.hpp b/include/boost/intrusive/options.hpp
index 5cc80d8..efa9386 100644
--- a/include/boost/intrusive/options.hpp
+++ b/include/boost/intrusive/options.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_OPTIONS_HPP
 #define BOOST_INTRUSIVE_OPTIONS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/link_mode.hpp>
diff --git a/include/boost/intrusive/pack_options.hpp b/include/boost/intrusive/pack_options.hpp
index 7d282dd..077b08b 100644
--- a/include/boost/intrusive/pack_options.hpp
+++ b/include/boost/intrusive/pack_options.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_PACK_OPTIONS_HPP
 #define BOOST_INTRUSIVE_PACK_OPTIONS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 
 namespace boost {
diff --git a/include/boost/intrusive/parent_from_member.hpp b/include/boost/intrusive/parent_from_member.hpp
index 0f3eb5c..e6be5bc 100644
--- a/include/boost/intrusive/parent_from_member.hpp
+++ b/include/boost/intrusive/parent_from_member.hpp
@@ -9,8 +9,12 @@
 // See http://www.boost.org/libs/intrusive for documentation.
 //
 /////////////////////////////////////////////////////////////////////////////
-#ifndef BOOST_INTRUSIVE_GET_PARENT_FROM_MEMBER_HPP
-#define BOOST_INTRUSIVE_GET_PARENT_FROM_MEMBER_HPP
+#ifndef BOOST_INTRUSIVE_PARENT_FROM_MEMBER_HPP
+#define BOOST_INTRUSIVE_PARENT_FROM_MEMBER_HPP
+
+#if defined(_MSC_VER)
+#  pragma once
+#endif
 
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
@@ -41,4 +45,4 @@ inline const Parent *get_parent_from_member(const Member *member, const Member P
 
 #include <boost/intrusive/detail/config_end.hpp>
 
-#endif   //#ifndef BOOST_INTRUSIVE_GET_PARENT_FROM_MEMBER_HPP
+#endif   //#ifndef BOOST_INTRUSIVE_PARENT_FROM_MEMBER_HPP
diff --git a/include/boost/intrusive/pointer_plus_bits.hpp b/include/boost/intrusive/pointer_plus_bits.hpp
index 3893d66..1fcf67a 100644
--- a/include/boost/intrusive/pointer_plus_bits.hpp
+++ b/include/boost/intrusive/pointer_plus_bits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_POINTER_PLUS_BITS_HPP
 #define BOOST_INTRUSIVE_POINTER_PLUS_BITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/mpl.hpp> //ls_zeros
diff --git a/include/boost/intrusive/priority_compare.hpp b/include/boost/intrusive/priority_compare.hpp
index e2f4495..419a7d2 100644
--- a/include/boost/intrusive/priority_compare.hpp
+++ b/include/boost/intrusive/priority_compare.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_PRIORITY_COMPARE_HPP
 #define BOOST_INTRUSIVE_PRIORITY_COMPARE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/rbtree.hpp b/include/boost/intrusive/rbtree.hpp
index d5071a0..f595a90 100644
--- a/include/boost/intrusive/rbtree.hpp
+++ b/include/boost/intrusive/rbtree.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_RBTREE_HPP
 #define BOOST_INTRUSIVE_RBTREE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <cstddef>
diff --git a/include/boost/intrusive/rbtree_algorithms.hpp b/include/boost/intrusive/rbtree_algorithms.hpp
index 90960cf..376deaf 100644
--- a/include/boost/intrusive/rbtree_algorithms.hpp
+++ b/include/boost/intrusive/rbtree_algorithms.hpp
@@ -23,6 +23,10 @@
 #ifndef BOOST_INTRUSIVE_RBTREE_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_RBTREE_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/set.hpp b/include/boost/intrusive/set.hpp
index c4a6b3a..b8366a2 100644
--- a/include/boost/intrusive/set.hpp
+++ b/include/boost/intrusive/set.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_SET_HPP
 #define BOOST_INTRUSIVE_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/set_hook.hpp b/include/boost/intrusive/set_hook.hpp
index 86e4047..ce984a3 100644
--- a/include/boost/intrusive/set_hook.hpp
+++ b/include/boost/intrusive/set_hook.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_SET_HOOK_HPP
 #define BOOST_INTRUSIVE_SET_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/sg_set.hpp b/include/boost/intrusive/sg_set.hpp
index 675c74c..6c1477a 100644
--- a/include/boost/intrusive/sg_set.hpp
+++ b/include/boost/intrusive/sg_set.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_SG_SET_HPP
 #define BOOST_INTRUSIVE_SG_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/mpl.hpp>
diff --git a/include/boost/intrusive/sgtree.hpp b/include/boost/intrusive/sgtree.hpp
index 95c9763..cbeacdb 100644
--- a/include/boost/intrusive/sgtree.hpp
+++ b/include/boost/intrusive/sgtree.hpp
@@ -18,6 +18,10 @@
 #ifndef BOOST_INTRUSIVE_SGTREE_HPP
 #define BOOST_INTRUSIVE_SGTREE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <algorithm>
diff --git a/include/boost/intrusive/sgtree_algorithms.hpp b/include/boost/intrusive/sgtree_algorithms.hpp
index 2ec6e76..cb5f71c 100644
--- a/include/boost/intrusive/sgtree_algorithms.hpp
+++ b/include/boost/intrusive/sgtree_algorithms.hpp
@@ -17,6 +17,10 @@
 #ifndef BOOST_INTRUSIVE_SGTREE_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_SGTREE_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/slist.hpp b/include/boost/intrusive/slist.hpp
index 37c226d..d5d8d2e 100644
--- a/include/boost/intrusive/slist.hpp
+++ b/include/boost/intrusive/slist.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_SLIST_HPP
 #define BOOST_INTRUSIVE_SLIST_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/slist_hook.hpp b/include/boost/intrusive/slist_hook.hpp
index b7d19aa..18b59ed 100644
--- a/include/boost/intrusive/slist_hook.hpp
+++ b/include/boost/intrusive/slist_hook.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_SLIST_HOOK_HPP
 #define BOOST_INTRUSIVE_SLIST_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/splay_set.hpp b/include/boost/intrusive/splay_set.hpp
index 6d75c06..cefc792 100644
--- a/include/boost/intrusive/splay_set.hpp
+++ b/include/boost/intrusive/splay_set.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_SPLAY_SET_HPP
 #define BOOST_INTRUSIVE_SPLAY_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/splaytree.hpp>
diff --git a/include/boost/intrusive/splaytree.hpp b/include/boost/intrusive/splaytree.hpp
index 51d86e6..3ca50fc 100644
--- a/include/boost/intrusive/splaytree.hpp
+++ b/include/boost/intrusive/splaytree.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_SPLAYTREE_HPP
 #define BOOST_INTRUSIVE_SPLAYTREE_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <cstddef>
diff --git a/include/boost/intrusive/splaytree_algorithms.hpp b/include/boost/intrusive/splaytree_algorithms.hpp
index 98ca74e..c49714a 100644
--- a/include/boost/intrusive/splaytree_algorithms.hpp
+++ b/include/boost/intrusive/splaytree_algorithms.hpp
@@ -30,6 +30,10 @@
 #ifndef BOOST_INTRUSIVE_SPLAYTREE_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_SPLAYTREE_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/detail/assert.hpp>
diff --git a/include/boost/intrusive/treap.hpp b/include/boost/intrusive/treap.hpp
index 1601e22..638cef9 100644
--- a/include/boost/intrusive/treap.hpp
+++ b/include/boost/intrusive/treap.hpp
@@ -12,6 +12,10 @@
 #ifndef BOOST_INTRUSIVE_TREAP_HPP
 #define BOOST_INTRUSIVE_TREAP_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <algorithm>
diff --git a/include/boost/intrusive/treap_algorithms.hpp b/include/boost/intrusive/treap_algorithms.hpp
index e0d9dfb..787c3d0 100644
--- a/include/boost/intrusive/treap_algorithms.hpp
+++ b/include/boost/intrusive/treap_algorithms.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_TREAP_ALGORITHMS_HPP
 #define BOOST_INTRUSIVE_TREAP_ALGORITHMS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 
diff --git a/include/boost/intrusive/treap_set.hpp b/include/boost/intrusive/treap_set.hpp
index 936109d..ef68b05 100644
--- a/include/boost/intrusive/treap_set.hpp
+++ b/include/boost/intrusive/treap_set.hpp
@@ -9,8 +9,12 @@
 // See http://www.boost.org/libs/intrusive for documentation.
 //
 /////////////////////////////////////////////////////////////////////////////
-#ifndef BOOST_INTRUSIVE_TRIE_SET_HPP
-#define BOOST_INTRUSIVE_TRIE_SET_HPP
+#ifndef BOOST_INTRUSIVE_TREAP_SET_HPP
+#define BOOST_INTRUSIVE_TREAP_SET_HPP
+
+#if defined(_MSC_VER)
+#  pragma once
+#endif
 
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
@@ -1001,4 +1005,4 @@ class treap_multiset
 
 #include <boost/intrusive/detail/config_end.hpp>
 
-#endif //BOOST_INTRUSIVE_TRIE_SET_HPP
+#endif //BOOST_INTRUSIVE_TREAP_SET_HPP
diff --git a/include/boost/intrusive/trivial_value_traits.hpp b/include/boost/intrusive/trivial_value_traits.hpp
index 7615f16..18d28be 100644
--- a/include/boost/intrusive/trivial_value_traits.hpp
+++ b/include/boost/intrusive/trivial_value_traits.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP
 #define BOOST_INTRUSIVE_TRIVIAL_VALUE_TRAITS_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/link_mode.hpp>
diff --git a/include/boost/intrusive/unordered_set.hpp b/include/boost/intrusive/unordered_set.hpp
index 472efe8..e47f3ba 100644
--- a/include/boost/intrusive/unordered_set.hpp
+++ b/include/boost/intrusive/unordered_set.hpp
@@ -13,6 +13,10 @@
 #ifndef BOOST_INTRUSIVE_UNORDERED_SET_HPP
 #define BOOST_INTRUSIVE_UNORDERED_SET_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>
 #include <boost/intrusive/hashtable.hpp>
diff --git a/include/boost/intrusive/unordered_set_hook.hpp b/include/boost/intrusive/unordered_set_hook.hpp
index 9e1ea4b..7406c94 100644
--- a/include/boost/intrusive/unordered_set_hook.hpp
+++ b/include/boost/intrusive/unordered_set_hook.hpp
@@ -14,6 +14,10 @@
 #ifndef BOOST_INTRUSIVE_UNORDERED_SET_HOOK_HPP
 #define BOOST_INTRUSIVE_UNORDERED_SET_HOOK_HPP
 
+#if defined(_MSC_VER)
+#  pragma once
+#endif
+
 #include <boost/intrusive/detail/config_begin.hpp>
 #include <boost/intrusive/intrusive_fwd.hpp>