Changed in version 4.0: Compatibility with versions of CMake older than 3.5 is removed. Calls to cmake_minimum_required(VERSION) or cmake_policy(VERSION) that do not specify at least 3.5 as their policy version (optionally via ...<max>) will produce an error in CMake 4.0 and above.

Changed in version 3.31: Compatibility with versions of CMake older than 3.10 is deprecated. Calls to cmake_minimum_required(VERSION) or cmake_policy(VERSION) that do not specify at least 3.10 as their policy version (optionally via ...<max>) will produce a deprecation warning in CMake 3.31 and above.

Changed in version 3.27: Compatibility with versions of CMake older than 3.5 is deprecated. Calls to cmake_minimum_required(VERSION) or cmake_policy(VERSION) that do not specify at least 3.5 as their policy version (optionally via ...<max>) will produce a deprecation warning in CMake 3.27 and above.

Changed in version 3.19: Compatibility with versions of CMake older than 2.8.12 is deprecated. Calls to cmake_minimum_required(VERSION) or cmake_policy(VERSION) that do not specify at least 2.8.12 as their policy version (optionally via ...<max>) will produce a deprecation warning in CMake 3.19 and above.