From 6a573e4b8333ee63ee62ce95558c3667348db233 Mon Sep 17 00:00:00 2001

From: Glen Fernandes <glen.fernandes@gmail.com>

Date: Mon, 17 Apr 2023 06:59:02 -0400

Subject: [PATCH] Define unary_function and binary_function unconditionally

--- boost/functional.hpp.orig	2023-04-10 13:47:33 UTC

+++ boost/functional.hpp

@@ -21,7 +21,6 @@ namespace boost

     namespace functional

     {

         namespace detail {

-#if defined(_HAS_AUTO_PTR_ETC) && !_HAS_AUTO_PTR_ETC

             // std::unary_function and std::binary_function were both removed

             // in C++17.

@@ -39,12 +38,6 @@ namespace boost

                 typedef Arg2 second_argument_type;

                 typedef Result result_type;

             };

-#else

-            // Use the standard objects when we have them.

-

-            using std::unary_function;

-            using std::binary_function;

-#endif

         }

     }