From 5ac0ab2e0658ba7ec3260fcdd81f1f1e002142c4 Mon Sep 17 00:00:00 2001
From: Markus Frank <Markus.Frank@cern.ch>
Date: Fri, 29 Jul 2022 14:59:37 +0200
Subject: [PATCH] Add missing header for exit call

---
 DDCore/src/plugins/DetectorCheck.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/DDCore/src/plugins/DetectorCheck.cpp b/DDCore/src/plugins/DetectorCheck.cpp
index 791f4e298..33007d1d3 100644
--- a/DDCore/src/plugins/DetectorCheck.cpp
+++ b/DDCore/src/plugins/DetectorCheck.cpp
@@ -25,6 +25,7 @@
 // C/C++ include files
 #include <stdexcept>
 #include <algorithm>
+#include <cstdlib>
 
 using namespace std;
 using namespace dd4hep;
@@ -611,7 +612,7 @@ void DetectorCheck::help(int argc,char** argv)   {
   for(int iarg=0; iarg<argc;++iarg)  {
     std::cout << "Argument[" << iarg << "]  = " << argv[iarg] << std::endl;
   }
-  ::_exit(EINVAL);
+  ::exit(EINVAL);
 }
 
 /// Action routine to execute the test
-- 
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