Linearise the detail includes

The current organisation of the headers has been making less and less
sense over the years, so to simplify things, I'm just going to combine
them into a single header. This change will make it easier to do that.

include/boost/unordered/detail/allocate.hpp

@@ -9,40 +9,7 @@
 #ifndef BOOST_UNORDERED_ALLOCATE_HPP
 #define BOOST_UNORDERED_ALLOCATE_HPP
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-// Some of these includes are required for other detail headers.
-#include <boost/unordered/detail/fwd.hpp>
-#include <boost/move/move.hpp>
-#include <boost/preprocessor/cat.hpp>
-#include <boost/preprocessor/repetition/enum.hpp>
-#include <boost/preprocessor/repetition/enum_params.hpp>
-#include <boost/preprocessor/repetition/enum_binary_params.hpp>
-#include <boost/preprocessor/repetition/repeat_from_to.hpp>
-#include <boost/type_traits/is_class.hpp>
-#include <boost/type_traits/add_lvalue_reference.hpp>
-#include <boost/type_traits/aligned_storage.hpp>
-#include <boost/type_traits/alignment_of.hpp>
-#include <boost/type_traits/is_nothrow_move_constructible.hpp>
-#include <boost/type_traits/is_nothrow_move_assignable.hpp>
-#include <boost/tuple/tuple.hpp>
-#include <boost/utility/enable_if.hpp>
-#include <boost/utility/addressof.hpp>
-#include <boost/detail/no_exceptions_support.hpp>
-#include <boost/detail/select_type.hpp>
-#include <boost/swap.hpp>
-#include <boost/assert.hpp>
-#include <boost/limits.hpp>
-#include <iterator>
-#include <utility>
-#include <cmath>
-
-#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
-#include <tuple>
-#endif
+#include <boost/unordered/detail/util.hpp>
 
 #if defined(BOOST_MSVC)
 #pragma warning(push)

include/boost/unordered/detail/buckets.hpp

@@ -7,12 +7,6 @@
 #ifndef BOOST_UNORDERED_DETAIL_MANAGER_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_MANAGER_HPP_INCLUDED
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-#include <boost/unordered/detail/util.hpp>
 #include <boost/unordered/detail/allocate.hpp>
 
 namespace boost { namespace unordered { namespace detail {

include/boost/unordered/detail/equivalent.hpp

@@ -7,12 +7,7 @@
 #ifndef BOOST_UNORDERED_DETAIL_EQUIVALENT_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_EQUIVALENT_HPP_INCLUDED
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
-#include <boost/unordered/detail/extract_key.hpp>
+#include <boost/unordered/detail/unique.hpp>
 
 namespace boost { namespace unordered { namespace detail {
 

include/boost/unordered/detail/extract_key.hpp

@@ -6,11 +6,6 @@
 #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 {

include/boost/unordered/detail/map.hpp

@@ -5,7 +5,6 @@
 
 #include <boost/unordered/unordered_map_fwd.hpp>
 #include <boost/unordered/detail/equivalent.hpp>
-#include <boost/unordered/detail/unique.hpp>
 
 namespace boost { namespace unordered { namespace detail {
     template <typename A, typename K, typename M, typename H, typename P>

include/boost/unordered/detail/set.hpp

@@ -5,7 +5,6 @@
 
 #include <boost/unordered/unordered_set_fwd.hpp>
 #include <boost/unordered/detail/equivalent.hpp>
-#include <boost/unordered/detail/unique.hpp>
 
 namespace boost { namespace unordered { namespace detail {
     template <typename A, typename T, typename H, typename P>

include/boost/unordered/detail/table.hpp

@@ -7,11 +7,6 @@
 #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>
 
 #if defined(BOOST_MSVC)

include/boost/unordered/detail/unique.hpp

@@ -7,14 +7,7 @@
 #ifndef BOOST_UNORDERED_DETAIL_UNIQUE_HPP_INCLUDED
 #define BOOST_UNORDERED_DETAIL_UNIQUE_HPP_INCLUDED
 
-#include <boost/config.hpp>
-#if defined(BOOST_HAS_PRAGMA_ONCE)
-#pragma once
-#endif
-
 #include <boost/unordered/detail/extract_key.hpp>
-#include <boost/throw_exception.hpp>
-#include <stdexcept>
 
 namespace boost { namespace unordered { namespace detail {
 

include/boost/unordered/detail/util.hpp

@@ -12,6 +12,7 @@
 #pragma once
 #endif
 
+#include <boost/throw_exception.hpp>
 #include <boost/type_traits/is_convertible.hpp>
 #include <boost/type_traits/is_empty.hpp>
 #include <boost/iterator/iterator_categories.hpp>
@@ -21,6 +22,35 @@
 #include <boost/preprocessor/seq/size.hpp>
 #include <boost/preprocessor/seq/enum.hpp>
 #include <boost/swap.hpp>
+#include <boost/unordered/detail/fwd.hpp>
+#include <boost/move/move.hpp>
+#include <boost/preprocessor/cat.hpp>
+#include <boost/preprocessor/repetition/enum.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/type_traits/is_class.hpp>
+#include <boost/type_traits/add_lvalue_reference.hpp>
+#include <boost/type_traits/aligned_storage.hpp>
+#include <boost/type_traits/alignment_of.hpp>
+#include <boost/type_traits/is_nothrow_move_constructible.hpp>
+#include <boost/type_traits/is_nothrow_move_assignable.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/utility/addressof.hpp>
+#include <boost/detail/no_exceptions_support.hpp>
+#include <boost/detail/select_type.hpp>
+#include <boost/swap.hpp>
+#include <boost/assert.hpp>
+#include <boost/limits.hpp>
+#include <iterator>
+#include <utility>
+#include <cmath>
+#include <stdexcept>
+
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
+#include <tuple>
+#endif
 
 namespace boost { namespace unordered { namespace detail {