diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..2eec3746
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/doc/html/
diff --git a/include/boost/unordered/detail/allocate.hpp b/include/boost/unordered/detail/allocate.hpp
index 6671607e..bca63e6a 100644
--- a/include/boost/unordered/detail/allocate.hpp
+++ b/include/boost/unordered/detail/allocate.hpp
@@ -9,8 +9,9 @@
 #ifndef BOOST_UNORDERED_ALLOCATE_HPP
 #define BOOST_UNORDERED_ALLOCATE_HPP
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/detail/fwd.hpp>
@@ -879,7 +880,7 @@ namespace boost { namespace unordered { namespace detail { namespace func {
 #   define BOOST_UNORDERED_CONSTRUCT_FROM_TUPLE(n, namespace_)              \
     template<typename Alloc, typename T>                                    \
     void construct_from_tuple_impl(                                         \
-            boost::unordered::detail::length<0>, Alloc&, T* ptr,            \
+            boost::unordered::detail::func::length<0>, Alloc&, T* ptr,      \
             namespace_ tuple<>)                                             \
     {                                                                       \
         new ((void*) ptr) T();                                              \
@@ -892,7 +893,7 @@ namespace boost { namespace unordered { namespace detail { namespace func {
     template<typename Alloc, typename T,                                    \
         BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)>                           \
     void construct_from_tuple_impl(                                         \
-            boost::unordered::detail::length<n>, Alloc&, T* ptr,            \
+            boost::unordered::detail::func::length<n>, Alloc&, T* ptr,      \
             namespace_ tuple<BOOST_PP_ENUM_PARAMS_Z(z, n, A)> const& x)     \
     {                                                                       \
         new ((void*) ptr) T(                                                \
@@ -921,7 +922,7 @@ BOOST_UNORDERED_CONSTRUCT_FROM_TUPLE(10, boost::)
     void construct_from_tuple(Alloc& alloc, T* ptr, Tuple const& x)
     {
         construct_from_tuple_impl(
-            boost::unordered::detail::length<
+            boost::unordered::detail::func::length<
                 boost::tuples::length<Tuple>::value>(),
             alloc, ptr, x);
     }
diff --git a/include/boost/unordered/detail/buckets.hpp b/include/boost/unordered/detail/buckets.hpp
index 95d8df18..38c32f5a 100644
--- a/include/boost/unordered/detail/buckets.hpp
+++ b/include/boost/unordered/detail/buckets.hpp
@@ -7,8 +7,9 @@
 #ifndef BOOST_UNORDERED_DETAIL_MANAGER_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_MANAGER_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/detail/util.hpp>
diff --git a/include/boost/unordered/detail/equivalent.hpp b/include/boost/unordered/detail/equivalent.hpp
index d1c688b8..d569ad9f 100644
--- a/include/boost/unordered/detail/equivalent.hpp
+++ b/include/boost/unordered/detail/equivalent.hpp
@@ -7,8 +7,9 @@
 #ifndef BOOST_UNORDERED_DETAIL_EQUIVALENT_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_EQUIVALENT_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/detail/table.hpp>
diff --git a/include/boost/unordered/detail/extract_key.hpp b/include/boost/unordered/detail/extract_key.hpp
index 92524b54..d68a4a77 100644
--- a/include/boost/unordered/detail/extract_key.hpp
+++ b/include/boost/unordered/detail/extract_key.hpp
@@ -6,6 +6,11 @@
 #ifndef BOOST_UNORDERED_DETAIL_EXTRACT_KEY_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_EXTRACT_KEY_HPP_INCLUDED
 
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
+#endif
+
 #include <boost/unordered/detail/table.hpp>
 
 namespace boost {
diff --git a/include/boost/unordered/detail/fwd.hpp b/include/boost/unordered/detail/fwd.hpp
index ee8966b7..87c2c23b 100644
--- a/include/boost/unordered/detail/fwd.hpp
+++ b/include/boost/unordered/detail/fwd.hpp
@@ -6,11 +6,11 @@
 #ifndef BOOST_UNORDERED_FWD_HPP_INCLUDED
 #define BOOST_UNORDERED_FWD_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
-
 namespace boost
 {
 namespace unordered
diff --git a/include/boost/unordered/detail/table.hpp b/include/boost/unordered/detail/table.hpp
index e848b21a..4e92cb41 100644
--- a/include/boost/unordered/detail/table.hpp
+++ b/include/boost/unordered/detail/table.hpp
@@ -7,6 +7,11 @@
 #ifndef BOOST_UNORDERED_DETAIL_ALL_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_ALL_HPP_INCLUDED
 
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
+#endif
+
 #include <boost/unordered/detail/buckets.hpp>
 #include <boost/unordered/detail/util.hpp>
 #include <boost/type_traits/aligned_storage.hpp>
diff --git a/include/boost/unordered/detail/unique.hpp b/include/boost/unordered/detail/unique.hpp
index 81ac053e..59e6d5d3 100644
--- a/include/boost/unordered/detail/unique.hpp
+++ b/include/boost/unordered/detail/unique.hpp
@@ -7,8 +7,9 @@
 #ifndef BOOST_UNORDERED_DETAIL_UNIQUE_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_UNIQUE_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/detail/table.hpp>
diff --git a/include/boost/unordered/detail/util.hpp b/include/boost/unordered/detail/util.hpp
index 570cf8f8..3428ed7a 100644
--- a/include/boost/unordered/detail/util.hpp
+++ b/include/boost/unordered/detail/util.hpp
@@ -7,8 +7,9 @@
 #ifndef BOOST_UNORDERED_DETAIL_UTIL_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_UTIL_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/type_traits/is_convertible.hpp>
diff --git a/include/boost/unordered/unordered_map.hpp b/include/boost/unordered/unordered_map.hpp
index e33dcea2..9b180796 100644
--- a/include/boost/unordered/unordered_map.hpp
+++ b/include/boost/unordered/unordered_map.hpp
@@ -9,8 +9,9 @@
 #ifndef BOOST_UNORDERED_UNORDERED_MAP_HPP_INCLUDED
 #define BOOST_UNORDERED_UNORDERED_MAP_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/unordered_map_fwd.hpp>
diff --git a/include/boost/unordered/unordered_map_fwd.hpp b/include/boost/unordered/unordered_map_fwd.hpp
index 980bb3ee..1eb26ce9 100644
--- a/include/boost/unordered/unordered_map_fwd.hpp
+++ b/include/boost/unordered/unordered_map_fwd.hpp
@@ -6,11 +6,11 @@
 #ifndef BOOST_UNORDERED_MAP_FWD_HPP_INCLUDED
 #define BOOST_UNORDERED_MAP_FWD_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
-#include <boost/config.hpp>
 #include <memory>
 #include <functional>
 #include <boost/functional/hash_fwd.hpp>
diff --git a/include/boost/unordered/unordered_set.hpp b/include/boost/unordered/unordered_set.hpp
index 9ba5002f..853b5d73 100644
--- a/include/boost/unordered/unordered_set.hpp
+++ b/include/boost/unordered/unordered_set.hpp
@@ -9,8 +9,9 @@
 #ifndef BOOST_UNORDERED_UNORDERED_SET_HPP_INCLUDED
 #define BOOST_UNORDERED_UNORDERED_SET_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/unordered_set_fwd.hpp>
diff --git a/include/boost/unordered/unordered_set_fwd.hpp b/include/boost/unordered/unordered_set_fwd.hpp
index 0c8b6d8d..52b9e822 100644
--- a/include/boost/unordered/unordered_set_fwd.hpp
+++ b/include/boost/unordered/unordered_set_fwd.hpp
@@ -6,11 +6,11 @@
 #ifndef BOOST_UNORDERED_SET_FWD_HPP_INCLUDED
 #define BOOST_UNORDERED_SET_FWD_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
-#include <boost/config.hpp>
 #include <memory>
 #include <functional>
 #include <boost/functional/hash_fwd.hpp>
diff --git a/include/boost/unordered_map.hpp b/include/boost/unordered_map.hpp
index 00d3c91c..92ef4d60 100644
--- a/include/boost/unordered_map.hpp
+++ b/include/boost/unordered_map.hpp
@@ -9,8 +9,9 @@
 #ifndef BOOST_UNORDERED_MAP_HPP_INCLUDED
 #define BOOST_UNORDERED_MAP_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/unordered_map.hpp>
diff --git a/include/boost/unordered_set.hpp b/include/boost/unordered_set.hpp
index 98c3ce1d..1c83c02b 100644
--- a/include/boost/unordered_set.hpp
+++ b/include/boost/unordered_set.hpp
@@ -9,8 +9,9 @@
 #ifndef BOOST_UNORDERED_SET_HPP_INCLUDED
 #define BOOST_UNORDERED_SET_HPP_INCLUDED
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
 #endif
 
 #include <boost/unordered/unordered_set.hpp>
diff --git a/test/unordered/insert_tests.cpp b/test/unordered/insert_tests.cpp
index 59911e12..fb66e2e4 100644
--- a/test/unordered/insert_tests.cpp
+++ b/test/unordered/insert_tests.cpp
@@ -363,7 +363,6 @@ void equivalent_emplace_tests1(X*, test::random_generator generator)
 template <class X>
 void move_emplace_tests(X*, test::random_generator generator)
 {
-    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
     typedef test::ordered<X> ordered;
 
     std::cerr<<"emplace(move(value)) tests for containers with unique keys.\n";
@@ -624,6 +623,8 @@ UNORDERED_AUTO_TEST(insert_initializer_list_set)
     BOOST_TEST(set2.find({8,7}) == set2.end());
 }
 
+#if !BOOST_WORKAROUND(BOOST_MSVC, == 1800)
+
 UNORDERED_AUTO_TEST(insert_initializer_list_multiset)
 {
     boost::unordered_multiset<std::string> multiset;
@@ -640,6 +641,8 @@ UNORDERED_AUTO_TEST(insert_initializer_list_multiset)
     BOOST_TEST_EQ(multiset.count("c"), 0u);
 }
 
+#endif
+
 UNORDERED_AUTO_TEST(insert_initializer_list_map)
 {
     boost::unordered_map<std::string, std::string> map;
diff --git a/test/unordered/unnecessary_copy_tests.cpp b/test/unordered/unnecessary_copy_tests.cpp
index 2c64bd7c..f2b5e892 100644
--- a/test/unordered/unnecessary_copy_tests.cpp
+++ b/test/unordered/unnecessary_copy_tests.cpp
@@ -119,6 +119,20 @@ namespace unnecessary_copy_tests
     }
 }
 
+// Boost.Move doesn't seem to work very well on this compiler.
+// For example for:
+//
+//     T x;
+//
+// It will default construct T, and then move it in.
+// For 'T const' it seems to copy.
+
+#if defined(__IBMCPP__) && __IBMCPP__ <= 1210
+#define EXTRA_CONSTRUCT_COST 1
+#else
+#define EXTRA_CONSTRUCT_COST 0
+#endif
+
 #define COPY_COUNT(n)                                                       \
     if(::unnecessary_copy_tests::count_copies::copies != n) {               \
         BOOST_ERROR("Wrong number of copies.");                             \
@@ -150,9 +164,13 @@ namespace unnecessary_copy_tests
         BOOST_ERROR("Wrong number of moves.");                              \
         std::cerr                                                           \
             << "Number of moves: "                                          \
-            << ::unnecessary_copy_tests::count_copies::copies               \
+            << ::unnecessary_copy_tests::count_copies::moves                \
             << " expecting: [" << a << ", " << b << "]" << std::endl;       \
     }
+#define COPY_COUNT_EXTRA(a, b)                                              \
+    COPY_COUNT_RANGE(a, a + b * EXTRA_CONSTRUCT_COST)
+#define MOVE_COUNT_EXTRA(a, b)                                              \
+    MOVE_COUNT_RANGE(a, a + b * EXTRA_CONSTRUCT_COST)
 
 namespace unnecessary_copy_tests
 {
@@ -207,13 +225,29 @@ namespace unnecessary_copy_tests
     UNORDERED_TEST(unnecessary_copy_emplace_rvalue_test,
             ((set)(multiset)(map)(multimap)))
 
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
     template <class T>
-    void unnecessary_copy_emplace_move_test(T*)
+    void unnecessary_copy_emplace_std_move_test(T*)
     {
         reset();
         T x;
         BOOST_DEDUCED_TYPENAME T::value_type a;
         COPY_COUNT(1); MOVE_COUNT(0);
+        x.emplace(std::move(a));
+        COPY_COUNT(1); MOVE_COUNT(1);
+    }
+
+    UNORDERED_TEST(unnecessary_copy_emplace_std_move_test,
+            ((set)(multiset)(map)(multimap)))
+#endif
+
+    template <class T>
+    void unnecessary_copy_emplace_boost_move_test(T*)
+    {
+        reset();
+        T x;
+        BOOST_DEDUCED_TYPENAME T::value_type a;
+        COPY_COUNT(1); MOVE_COUNT_EXTRA(0, 1);
         x.emplace(boost::move(a));
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
         COPY_COUNT(1); MOVE_COUNT(1);
@@ -223,7 +257,7 @@ namespace unnecessary_copy_tests
 #endif
     }
 
-    UNORDERED_TEST(unnecessary_copy_emplace_move_test,
+    UNORDERED_TEST(unnecessary_copy_emplace_boost_move_test,
             ((set)(multiset)(map)(multimap)))
 
     template <class T>
@@ -247,10 +281,10 @@ namespace unnecessary_copy_tests
         T x;
         COPY_COUNT(0); MOVE_COUNT(0);
         BOOST_DEDUCED_TYPENAME T::value_type a;
-        COPY_COUNT(1); MOVE_COUNT(0);
+        COPY_COUNT(1); MOVE_COUNT_EXTRA(0, 1);
         x.emplace(boost::move(a));
 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-        COPY_COUNT(2); MOVE_COUNT(0);
+        COPY_COUNT(2); MOVE_COUNT_EXTRA(0, 1);
 #else
         COPY_COUNT(1); MOVE_COUNT(1);
 #endif
@@ -364,7 +398,7 @@ namespace unnecessary_copy_tests
         // TODO: Run tests for pairs without const etc.
         std::pair<count_copies const, count_copies> a;
         x.emplace(a);
-        COPY_COUNT(4); MOVE_COUNT(0);
+        COPY_COUNT_EXTRA(4, 1); MOVE_COUNT_EXTRA(0, 1);
 
         //
         // 0 arguments
@@ -382,7 +416,7 @@ namespace unnecessary_copy_tests
         // Visual C++ 11 handles calling move for default arguments.
         COPY_COUNT(3); MOVE_COUNT(1);
 #   else
-        COPY_COUNT(2); MOVE_COUNT(0);
+        COPY_COUNT_EXTRA(2, 1); MOVE_COUNT_EXTRA(0, 1);
 #   endif
 #endif
 
@@ -407,9 +441,8 @@ namespace unnecessary_copy_tests
         x.emplace(source<std::pair<count_copies, count_copies> >());
         COPY_COUNT(2); MOVE_COUNT(source_pair_cost);
 
-#if (defined(__GNUC__) && __GNUC__ > 4) || \
-    (defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ > 2) || \
-    (defined(BOOST_MSVC) && BOOST_MSVC >= 1600 )
+#if !(defined(__GNUC__) && __cplusplus < 199900L) && \
+    !(defined(_MSC_VER) && _MSC_VER < 1600)
         count_copies part;
         reset();
         std::pair<count_copies const&, count_copies const&> a_ref(part, part);
@@ -476,8 +509,9 @@ namespace unnecessary_copy_tests
         COPY_COUNT(tuple_copy_cost);
         MOVE_COUNT(tuple_move_cost);
 
-#if defined(__GNUC__) && __GNUC__ > 4 || \
-    defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ >= 6
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE) && \
+    !(defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ < 6) && \
+    !(defined(BOOST_MSVC) && BOOST_MSVC < 1700)
         reset();
         x.emplace(boost::unordered::piecewise_construct,
                 std::forward_as_tuple(b.first),