From ff838a08a5783cfc114c1f66b5131e1e1ce7b3ef Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Mon, 6 Mar 2023 04:43:57 -0800
Subject: [PATCH] cxxutil.hpp: fix std::hash include

---
 src/cxxutil.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cxxutil.hpp b/src/cxxutil.hpp
index 56b85c79b..835d5e74f 100644
--- a/src/cxxutil.hpp
+++ b/src/cxxutil.hpp
@@ -2,6 +2,7 @@
 #define __SRB2_CXXUTIL_HPP__
 
 #include <cstdlib>
+#include <functional>
 #include <type_traits>
 #include <utility>