build: Remove extra minimum cmake versions, set policies

CMakeLists.txt

@@ -222,10 +222,17 @@ set(_acts_boost_recommended_version 1.78.0)
 # Include the sources for the external dependencies.
 include(ActsExternSources)
 
+# Controls behavior of DOWNLOAD_EXTRACT_TIMESTAMP
+if(POLICY CMP0135)
+  cmake_policy(SET CMP0135 NEW)
+endif()
+
 # required packages
 if (ACTS_SETUP_BOOST)
   if (ACTS_USE_SYSTEM_BOOST)
-    # NOTE FindBoost.cmake looks for BoostConfig.cmake first, before running it's own logic.
+    if(POLICY CMP0167)
+      cmake_policy(SET CMP0167 NEW)
+    endif()
 
     # Enable both program_options and unit_test_framework to reduce complexity
     # Also Cuda tests seem to use program_options

cmake/FindFilesystem.cmake

@@ -104,7 +104,6 @@ if(TARGET std::filesystem)
     return()
 endif()
 
-cmake_minimum_required(VERSION 3.10)
 
 include(CMakePushCheckState)
 include(CheckIncludeFileCXX)

thirdparty/FRNN/CMakeLists.txt

@@ -5,8 +5,6 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-cmake_minimum_required(VERSION 3.11)
 include(FetchContent)
 
 message(STATUS "Building FRNN as part of the ACTS project")
@@ -22,5 +20,3 @@ if(NOT frnncontent_POPULATED)
   configure_file(CMakeLists.txt.in "${frnncontent_SOURCE_DIR}/CMakeLists.txt" COPYONLY)
   add_subdirectory(${frnncontent_SOURCE_DIR} ${frnncontent_BINARY_DIR})
 endif()
-
-

thirdparty/GeoModel/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.

thirdparty/actsvg/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.

thirdparty/algebra-plugins/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required(VERSION 3.14)
 include(FetchContent)
 
 # Tell the user what's happening.
@@ -44,4 +43,4 @@ set(ALGEBRA_PLUGINS_SETUP_GOOGLETEST FALSE CACHE BOOL
 set(ALGEBRA_PLUGINS_SETUP_BENCHMARK FALSE CACHE BOOL "Do not setup Algebra Plugins benchmark")
 
 # Now set up its build.
-FetchContent_MakeAvailable( AlgebraPlugins )
+FetchContent_MakeAvailable( AlgebraPlugins )

thirdparty/covfie/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required(VERSION 3.14)
 include(FetchContent)
 
 # Tell the user what's happening.
@@ -30,4 +29,4 @@ set( COVFIE_REQUIRE_CXX20 OFF CACHE BOOL "Enable covfie C++20 requirement")
 set( COVFIE_QUIET ON CACHE BOOL "Quiet covfie feature warnings")
 
 # Now set up its build.
-FetchContent_MakeAvailable( covfie )
+FetchContent_MakeAvailable( covfie )

thirdparty/detray/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.
@@ -56,4 +55,4 @@ set( DETRAY_SETUP_DFELIBS OFF CACHE BOOL
 
 
 #Now set up its build.
-FetchContent_MakeAvailable(Detray)
+FetchContent_MakeAvailable(Detray)

thirdparty/dfelibs/CMakeLists.txt

@@ -1,4 +1,3 @@
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.

thirdparty/nlohmann_json/CMakeLists.txt

@@ -1,13 +1,8 @@
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.
 message( STATUS "Building nlohmann_json as part of the ACTS project" )
 
-if(POLICY CMP0135)
-   cmake_policy(SET CMP0135 NEW)
-endif()
-
 # Declare where to get nlohmann json from.
 FetchContent_Declare( nlohmann_json ${ACTS_NLOHMANNJSON_SOURCE} )
 

thirdparty/pybind11/CMakeLists.txt

@@ -1,4 +1,3 @@
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.

thirdparty/vecmem/CMakeLists.txt

@@ -7,7 +7,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # CMake include(s).
-cmake_minimum_required( VERSION 3.11 )
 include( FetchContent )
 
 # Tell the user what's happening.
@@ -22,7 +21,7 @@ FetchContent_Declare( VecMem ${ACTS_VECMEM_SOURCE} )
 set( VECMEM_BUILD_TESTING FALSE CACHE BOOL
    "Turn off the build of the VecMem unit tests" )
 set( VECMEM_BUILD_BENCHMARKING FALSE CACHE BOOL
-   "Turn off the build of VecMem benchmarking" )   
+   "Turn off the build of VecMem benchmarking" )
 
 # Now set up its build.
 FetchContent_MakeAvailable( VecMem )