From 55273d068f7683ba9e9249e641f5ca1e269e8148 Mon Sep 17 00:00:00 2001
From: Juan Miguel Carceller <jmcarcell@users.noreply.github.com>
Date: Wed, 2 Sep 2026 16:33:36 +0200
Subject: [PATCH] Fix EventStats ROOT histogram linkage

---
 CMakeLists.txt                          | 2 +-
 GaudiTutorial/EventStats/CMakeLists.txt | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1949b6f..8664f10 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,7 @@ set(PACKAGE_VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE
 
 # dependencies are declared like this
 find_package(Gaudi)
-find_package(ROOT COMPONENTS RIO Tree)
+find_package(ROOT COMPONENTS Hist RIO Tree)
 find_package(EDM4HEP)
 find_package(k4FWCore)
 find_package(DD4hep)
diff --git a/GaudiTutorial/EventStats/CMakeLists.txt b/GaudiTutorial/EventStats/CMakeLists.txt
index ab29bc2..af4dff4 100644
--- a/GaudiTutorial/EventStats/CMakeLists.txt
+++ b/GaudiTutorial/EventStats/CMakeLists.txt
@@ -25,6 +25,7 @@ gaudi_add_module(${PackageName}
                  LINK Gaudi::GaudiKernel
                       k4FWCore::k4FWCore
                       EDM4HEP::edm4hep
+                      ROOT::Hist
                       )
 
 install(TARGETS ${PackageName}
@@ -32,4 +33,4 @@ install(TARGETS ${PackageName}
   RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT bin
   LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT shlib
   PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${CMAKE_PROJECT_NAME}"
-  COMPONENT dev)
\ No newline at end of file
+  COMPONENT dev)