From b58f7ea8b63ecf442893bd50eb126d9eced7e82a Mon Sep 17 00:00:00 2001
From: Archez <Archez@users.noreply.github.com>
Date: Wed, 1 May 2024 16:41:17 -0400
Subject: [PATCH] Fix: add workaround for boost versions >=1.84.0 (#4098)

---
 .../container_hash/detail/hash_range_32.hpp   | 15 ++++++++++--
 .../boost_custom/container_hash/hash_32.hpp   | 24 +++++++++++++++----
 .../boost_custom/container_hash/version.hpp   |  2 ++
 3 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/soh/include/boost_custom/container_hash/detail/hash_range_32.hpp b/soh/include/boost_custom/container_hash/detail/hash_range_32.hpp
index 7430152ab66..cfa0a2a2d20 100644
--- a/soh/include/boost_custom/container_hash/detail/hash_range_32.hpp
+++ b/soh/include/boost_custom/container_hash/detail/hash_range_32.hpp
@@ -46,10 +46,18 @@ template<> struct is_char_type<std::byte>: public boost::true_type {};
 
 #endif // #if !BOOST_VERSION_HAS_HASH_RANGE
 
+#if BOOST_USE_STD_TYPES
+#define BOOST_ENABLE_IF std::enable_if
+#define BOOST_IS_SAME std::is_same
+#else
+#define BOOST_ENABLE_IF boost::enable_if_
+#define BOOST_IS_SAME is_same
+#endif
+
 template<class It>
-inline typename boost::enable_if_<
+inline typename BOOST_ENABLE_IF<
     is_char_type<typename std::iterator_traits<It>::value_type>::value &&
-    is_same<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value,
+    BOOST_IS_SAME<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value,
 std::size_t>::type
     hash_range_32( uint32_t seed, It first, It last )
 {
@@ -114,4 +122,7 @@ std::size_t>::type
 } // namespace hash_detail
 } // namespace boost
 
+#undef BOOST_ENABLE_IF
+#undef BOOST_IS_SAME
+
 #endif // #ifndef BOOST_HASH_DETAIL_HASH_RANGE_32_HPP
diff --git a/soh/include/boost_custom/container_hash/hash_32.hpp b/soh/include/boost_custom/container_hash/hash_32.hpp
index 4b955c43a02..eaf459a3439 100644
--- a/soh/include/boost_custom/container_hash/hash_32.hpp
+++ b/soh/include/boost_custom/container_hash/hash_32.hpp
@@ -23,6 +23,18 @@
 
 #endif // #if !BOOST_VERSION_HAS_HASH_RANGE
 
+#if BOOST_USE_STD_TYPES
+#define BOOST_ENABLE_IF std::enable_if
+#define BOOST_IS_INTEGRAL hash_detail::is_integral
+#define BOOST_IS_UNSIGNED is_unsigned
+#define BOOST_MAKE_UNSIGNED make_unsigned
+#else
+#define BOOST_ENABLE_IF boost::enable_if_
+#define BOOST_IS_INTEGRAL boost::is_integral
+#define BOOST_IS_UNSIGNED boost::is_unsigned
+#define BOOST_MAKE_UNSIGNED boost::make_unsigned
+#endif
+
 namespace boost
 {
 
@@ -36,7 +48,7 @@ namespace boost
     {
         template<class T,
             bool bigger_than_size_t = (sizeof(T) > sizeof(uint32_t)),
-            bool is_unsigned = boost::is_unsigned<T>::value,
+            bool is_unsigned = BOOST_IS_UNSIGNED<T>::value,
             std::size_t size_t_bits = sizeof(uint32_t) * CHAR_BIT,
             std::size_t type_bits = sizeof(T) * CHAR_BIT>
         struct hash_integral_impl_32;
@@ -53,7 +65,7 @@ namespace boost
         {
             static uint32_t fn( T v )
             {
-                typedef typename boost::make_unsigned<T>::type U;
+                typedef typename BOOST_MAKE_UNSIGNED<T>::type U;
 
                 if( v >= 0 )
                 {
@@ -97,7 +109,7 @@ namespace boost
     } // namespace hash_detail
 
     template <typename T>
-    typename boost::enable_if_<boost::is_integral<T>::value, uint32_t>::type
+    typename BOOST_ENABLE_IF<BOOST_IS_INTEGRAL<T>::value, uint32_t>::type
         hash_value_32( T v )
     {
         return hash_detail::hash_integral_impl_32<T>::fn( v );
@@ -106,7 +118,7 @@ namespace boost
     // contiguous ranges (string, vector, array)
 #if BOOST_VERSION_HAS_HASH_RANGE
     template <typename T>
-    typename boost::enable_if_<container_hash::is_contiguous_range<T>::value, uint32_t>::type
+    typename BOOST_ENABLE_IF<container_hash::is_contiguous_range<T>::value, uint32_t>::type
         hash_value_32( T const& v )
     {
         return boost::hash_range_32( v.data(), v.data() + v.size() );
@@ -168,5 +180,9 @@ namespace boost
 } // namespace boost
 
 #undef BOOST_HASH_CHAR_TRAITS
+#undef BOOST_ENABLE_IF
+#undef BOOST_IS_INTEGRAL
+#undef BOOST_IS_UNSIGNED
+#undef BOOST_MAKE_UNSIGNED
 
 #endif // #ifndef BOOST_FUNCTIONAL_HASH_HASH_32_HPP
diff --git a/soh/include/boost_custom/container_hash/version.hpp b/soh/include/boost_custom/container_hash/version.hpp
index 22ad6634cfc..3863b507c87 100644
--- a/soh/include/boost_custom/container_hash/version.hpp
+++ b/soh/include/boost_custom/container_hash/version.hpp
@@ -6,4 +6,6 @@
 
 #define BOOST_VERSION_HAS_HASH_RANGE ((BOOST_VERSION / 100 % 1000) >= 81)
 
+#define BOOST_USE_STD_TYPES ((BOOST_VERSION / 100 % 1000) >= 84)
+
 #endif // #ifndef BOOST_CONTAINER_HASH_VERSION_HPP