[PATCH] CMake: rework CMake minimum requirement check

[Yegor Yefremov]

On Wed, Jun 4, 2025 at 11:13 AM <yegorslists at googlemail.com> wrote:
>
> From: Yegor Yefremov <yegorslists at googlemail.com>
>
> Check for the CMake minimum version only in the main
> CMakeLists.txt as examples and lua are subdirectories
> included from it.
>
> Signed-off-by: Yegor Yefremov <yegorslists at googlemail.com>
> ---
>  examples/CMakeLists.txt | 2 --
>  lua/CMakeLists.txt      | 2 --
>  2 files changed, 4 deletions(-)
>
> diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
> index 04f18b0..9347ac2 100644
> --- a/examples/CMakeLists.txt
> +++ b/examples/CMakeLists.txt
> @@ -1,5 +1,3 @@
> -cmake_minimum_required(VERSION 2.6)
> -
>  IF (BUILD_EXAMPLES)
>      PROJECT(ubox-examples C)
>      ADD_DEFINITIONS(-O1 -Wall -Werror --std=gnu99 -g3)
> diff --git a/lua/CMakeLists.txt b/lua/CMakeLists.txt
> index 34c9ab1..104a56a 100644
> --- a/lua/CMakeLists.txt
> +++ b/lua/CMakeLists.txt
> @@ -1,5 +1,3 @@
> -cmake_minimum_required(VERSION 2.6)
> -
>  PROJECT(uloop C)
>
>  SET(CMAKE_INSTALL_PREFIX /)
> --
> 2.34.1


This patch targets libubox