From bccf42a3ec441e5436c584253adaa2fe8f58ec79 Mon Sep 17 00:00:00 2001
From: Klemens Morgenstern <klemens.d.morgenstern@gmail.com>
Date: Tue, 13 Jun 2023 20:36:34 +0800
Subject: [PATCH] include fix for v2/environment.hpp.

---
 include/boost/process/v2/environment.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/process/v2/environment.hpp b/include/boost/process/v2/environment.hpp
index ae081d16..69bacb66 100644
--- a/include/boost/process/v2/environment.hpp
+++ b/include/boost/process/v2/environment.hpp
@@ -13,6 +13,7 @@
 #include <boost/process/v2/detail/config.hpp>
 #include <boost/process/v2/cstring_ref.hpp>
 #include <boost/process/v2/detail/utf8.hpp>
+#include <boost/type_traits.hpp>
 #include <functional>
 #include <memory>
 #include <numeric>