From a058253ece181f7986a2ffa39809a2807a860143 Mon Sep 17 00:00:00 2001
From: Tong Dong Qiu <tongdong.qiu@bigdataccelerate.com>
Date: Wed, 15 Jun 2022 11:13:55 +0200
Subject: [PATCH] Include header to compile with g++-8.4.0

---
 opm/input/eclipse/Utility/Functional.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/opm/input/eclipse/Utility/Functional.hpp b/opm/input/eclipse/Utility/Functional.hpp
index b3e044ae9..d5ab67141 100644
--- a/opm/input/eclipse/Utility/Functional.hpp
+++ b/opm/input/eclipse/Utility/Functional.hpp
@@ -24,6 +24,7 @@
 #include <iterator>
 #include <vector>
 #include <numeric>
+#include <functional>
 
 namespace Opm {