From 528f675dd6e7ed556d14399bfa5538f85f01afcc Mon Sep 17 00:00:00 2001
From: Mike Lischke <mike@lischke-online.de>
Date: Mon, 20 Feb 2017 12:42:53 +0100
Subject: [PATCH] Some compilers need the functional include.

---
 runtime/Cpp/runtime/src/antlr4-common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/runtime/Cpp/runtime/src/antlr4-common.h b/runtime/Cpp/runtime/src/antlr4-common.h
index bb9bfeafe..a28115cac 100644
--- a/runtime/Cpp/runtime/src/antlr4-common.h
+++ b/runtime/Cpp/runtime/src/antlr4-common.h
@@ -33,6 +33,7 @@
 #include <exception>
 #include <bitset>
 #include <condition_variable>
+#include <functional>
 
 // Defines for the Guid class and other platform dependent stuff.
 #ifdef _WIN32