From 42e4e7a3d0bc05913c7716582ae90d65b62b018b Mon Sep 17 00:00:00 2001
From: Marco Clemencic <marco.clemencic@cern.ch>
Date: Wed, 13 May 2020 18:51:55 +0200
Subject: [PATCH] Link GaudiExamples to ROOTHist for ROOT::RHist (ROOT >= 6.20)

---
 GaudiExamples/CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/GaudiExamples/CMakeLists.txt b/GaudiExamples/CMakeLists.txt
index ef6f9fcff..0875470d2 100644
--- a/GaudiExamples/CMakeLists.txt
+++ b/GaudiExamples/CMakeLists.txt
@@ -14,7 +14,12 @@ gaudi_depends_on_subdirs(GaudiKernel GaudiUtils GaudiAlg RootCnv)
 
 find_package(AIDA)
 find_package(HepPDT)
-find_package(ROOT COMPONENTS Tree RIO Hist Net REQUIRED)
+find_package(ROOT COMPONENTS Core REQUIRED)
+if(${ROOT_VERSION_MAJOR}.${ROOT_VERSION_MINOR} VERSION_LESS 6.20)
+  find_package(ROOT COMPONENTS Tree RIO Hist Net REQUIRED)
+else()
+  find_package(ROOT COMPONENTS Tree RIO Hist Net ROOTHist REQUIRED)
+endif()
 find_package(Boost COMPONENTS python${boost_python_version} REQUIRED)
 find_package(CLHEP)
 find_package(PythonLibs REQUIRED)
-- 
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