I would push pretty strongly for 3.25 for the extra features. It would enable much more modern, compact CMake code.
On Mon, Dec 9, 2024 at 4:11 PM Sutou Kouhei <k...@clear-code.com> wrote: > Hi, > > Currently, we require CMake 3.16 or later: > > https://github.com/apache/arrow/blob/e0f8c5e8e6f8b328a997f7e21bc6fd1a01b3b3fd/cpp/CMakeLists.txt#L18 > > > cmake_minimum_required(VERSION 3.16) > > We want to bump required CMake version to use newer > features. We can improve our CMake configurations with them: > https://github.com/apache/arrow/issues/44950 > > What version should we require? > > Here are CMake versions on supported Linux platforms: > > * Ubuntu 20.04 (CMake 3.16) will reach EOL on 2025-04: > https://wiki.ubuntu.com/Releases > * CentOS 7 (CMake 3.17) reached EOL: We're still supporting > CentOS 7[1] but we don't need to care about CentOS 7 for > this. We can install newer CMake manually. > [1] https://github.com/apache/arrow/pull/41395#issuecomment-2116223200 > * Debian GNU/Linux bullseye (CMake 3.18) reached EOL on > 2024-08-14: https://wiki.debian.org/DebianReleases > * Debian GNU/Linux bookworm provides CMake 3.25: > https://packages.debian.org/search?keywords=cmake > * Ubuntu 22.04 provides CMake 3.22: > https://packages.ubuntu.com/search?keywords=cmake > * AlmaLinux 8 provides CMake 3.26 > * AlmaLinux 9 provides CMake 3.26 > > (Multi-platform packaging systems such ad Homebrew, vcpkg, > conda and so on provide newer CMake. So we don't need to > care about them.) > > > There are some proposals: > > * We require CMake 3.25 or later because there are some > useful features in CMake 3.25. Ubuntu 22.04 users must > install newer CMake manually. > * We require CMake 3.22 or later. All supported Linux > platforms can use system CMake. > > > If you have any opinion, concern and so on, please share it. > > > Thanks, > -- > kou >
