boost/auto_buffer-C-20-compatibil...

35 lines
1.6 KiB
Diff

From 675ea3ddf714e2594393ed935f64dce99721b7d7 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@scylladb.com>
Date: Tue, 12 May 2020 14:29:56 +0300
Subject: [PATCH] auto_buffer: C++20 compatibility
C++20's std::allocator does not define the pointer member type,
use std::allocator_traits instead.
---
include/boost/signals2/detail/auto_buffer.hpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/boost/signals2/detail/auto_buffer.hpp b/include/boost/signals2/detail/auto_buffer.hpp
index 5ff8dd2..ed62152 100644
--- a/include/boost/signals2/detail/auto_buffer.hpp
+++ b/include/boost/signals2/detail/auto_buffer.hpp
@@ -140,11 +140,15 @@ namespace detail
typedef Allocator allocator_type;
typedef T value_type;
typedef typename Allocator::size_type size_type;
typedef typename Allocator::difference_type difference_type;
typedef T* pointer;
+#if __cplusplus <= 201703L
typedef typename Allocator::pointer allocator_pointer;
+#else
+ typedef typename std::allocator_traits<Allocator>::pointer allocator_pointer;
+#endif
typedef const T* const_pointer;
typedef T& reference;
typedef const T& const_reference;
typedef pointer iterator;
typedef const_pointer const_iterator;
--
2.26.2