Bumped CMake policy_max to 4.0

Cleaned up `CMakeLists.txt` files in subdirectories so that the minimum reqiured
version is set only at the beginning of the top-level `CMakeLists.txt` file

CMakeLists.txt

 # Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
 
 # === Preamble ===
-cmake_minimum_required(VERSION 3.16...3.26)
+cmake_minimum_required(VERSION 3.16...4.0)
 
 # === Project's settings ===
 include( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/GeoModel-version.cmake )

FSL/CMakeLists.txt

-cmake_minimum_required(VERSION 3.16...3.26)
+# Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
+
+cmake_minimum_required(VERSION 3.16...4.0)
 
 project(fsl VERSION 0.1 LANGUAGES CXX)
 

FullSimLight/CMakeLists.txt

 # Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # CMake settings
-cmake_minimum_required(VERSION 3.16...3.26)
-
+cmake_minimum_required(VERSION 3.16...4.0)
 
 file( GLOB MANPAGES man/man1/* )
 

FullSimLight/Plugins/CMakeLists.txt

 # Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # CMake settings
-cmake_minimum_required(VERSION 3.16...3.26)
 
 # Dummy call to 'project()', needed to set 'PROJECT_SOURCE_DIR'
 project( "Plugins" )

FullSimLight/Plugins/Examples/EventGeneratorPlugins/FSLExamplePrimaryGeneratorPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "ExamplePrimaryGeneratorPlugin" )

FullSimLight/Plugins/Examples/MagneticFieldPlugins/UniformMagneticFieldPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "UniformMagneticFieldPlugin" )

FullSimLight/Plugins/Examples/PhysicsListPlugins/FSLTestPhysListPlugins/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "TestPhysicsListPlugin" )

FullSimLight/Plugins/Examples/SensitiveDetectorPlugins/SDPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "SDPlugin" )

FullSimLight/Plugins/Examples/UserActionPlugins/CMakeLists.txt

 # (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 
 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 project( "UserActionsPlugins" )
 
 #Set up the project. Check if we build it with GeoModel or individually

FullSimLight/Plugins/Examples/UserActionPlugins/DummyUserActionPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "DummyUserActionPlugin" )

FullSimLight/Plugins/Examples/UserActionPlugins/DummyUserActionPlugin/DummyUserActionsPlugin/CMakeLists.txt

 # Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 project( "DummyUserActionsPlugin" )
 
 

FullSimLight/Plugins/HitsPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "GenerateHitsPlugin" )

FullSimLight/Plugins/TracksPlugin/CMakeLists.txt

 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 
 
 project( "GenerateTracksPlugin" )

FullSimLight/perf/CMakeLists.txt

-cmake_minimum_required(VERSION 3.16...3.26)
 
 project(FullSimLightPerf)
 

GeoModelCore/CMakeLists.txt

 # Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Set up the (sub-)project.
-cmake_minimum_required(VERSION 3.16...3.26)
 #project( "GeoModelCore" VERSION 4.1.0 LANGUAGES CXX )
 project( "GeoModelCore" VERSION ${GeoModel_VERSION} LANGUAGES CXX )
 

GeoModelCore/GeoModelKernel/GeoModelKernel/GeoVFullPhysVol.h

 /*
-  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
 */
 
 #ifndef GEOMODELKERNEL_GEOVFULLPHYSVOL_H

GeoModelExamples/CMakeLists.txt

@@ -6,7 +6,6 @@
 ################################################################################
 
 # Set up the project.
-cmake_minimum_required(VERSION 3.16...3.26)
 project( "GeoModelExamples" VERSION 4.1.0 LANGUAGES CXX )
 
 # Getting-started examples

GeoModelExamples/GeoActions/CMakeLists.txt

@@ -5,7 +5,6 @@
 # author: Riccardo Maria BIANCHI @ CERN - Nov, 2018
 ################################################################################
 
-cmake_minimum_required(VERSION 3.16...3.26)
 
 #project(GeoActions)
 

GeoModelExamples/GeoActionsCountNodes/CMakeLists.txt

@@ -5,7 +5,6 @@
 # author: Riccardo Maria BIANCHI @ CERN - Jan, 2023
 ################################################################################
 
-cmake_minimum_required(VERSION 3.1.0)
 
 project(GeoActionsCountingNodes)
 

GeoModelExamples/GeoFullPhysVol/CMakeLists.txt

@@ -5,7 +5,6 @@
 # author: Riccardo Maria BIANCHI @ CERN - Aug, 2020
 ################################################################################
 
-cmake_minimum_required(VERSION 3.16...3.26)
 
 #project(GeoFullPhysVolEx)