cmake: Warning on init

[jenisys]

Description

Doctest CMakeLists.txt contains the following line:

cmake_minimum_required(VERSION 3.0)

When doctest is used in another CMake project as test framework, the following CMake warning is shown:

CMake Deprecation Warning at build/_deps/doctest-src/CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.

This warning can be removed by adapting the line using the solution below:

# -- SOLUTION NEEDS: CMAKE_MIN_VERSION >= 3.5
cmake_minimum_required(VERSION 3.5)

AFFECTED FILES IN REPOSITORY:

• CMakeLists.txt
• examples/installed_doctest_cmake/executable/CMakeLists.txt
• examples/installed_doctest_cmake/dll/CMakeLists.txt
• scripts/how_stuff_works/CMakeLists.txt

Steps to reproduce

$ pip install cmake 
$ cmake --version
cmake version 3.29.3

$ cmake -S . -B build
...
CMake Deprecation Warning at build/_deps/doctest-src/CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.
...

Extra information

• doctest version: v2.4.11