+1 on 3.16 and dropping amazon linux 2 (as that is recommended by aws). @antonie 3.14+ has a number of improvements to FetchContent that we could use to vastly improve our bundled dependency system. There are also improvements to precompiled headers etc. an overview of some of the changes in each version is here: https://cliutils.gitlab.io/modern-cmake/chapters/intro/newcmake.html
On Thu, Jun 15, 2023 at 11:36 PM Antoine Pitrou <anto...@python.org> wrote: > > Hi, > > I'd ask the question differently: what do we gain from requiring 3.16 > rather than 3.13? > > > Le 15/06/2023 à 23:19, Sutou Kouhei a écrit : > > Hi, > > > > We require CMake 3.5+ now because Ubuntu 18.04 ships 3.5. > > We dropped support for Ubuntu 18.04 because it reached EOL. > > > > Can we require CMake 3.16+ in Apache Arrow C++ 13.0.0? > > > > Here are CMake versions of our supported platforms: > > > > * Ubuntu 20.04: CMake 3.16 > > * CentOS 7: CMake 3.17 > > * Debian GNU/Linux bullseye: 3.18 > > * Amazon Linux 2: CMake 3.13!!! > > > > See the Amazon Linux 2 item. It ships CMake 3.13 not CMake > > 3.16+. Can we drop support for Amazon Linux 2 in Apache > > Arrow C++ 13.0.0? > > > > FYI1: Amazon Linux released a new version (Amazon Linux > > 2023) on 2023-03-15: > > > > Amazon Linux 2023, a Cloud-Optimized Linux Distribution with > > Long-Term Support > > > https://aws.amazon.com/blogs/aws/amazon-linux-2023-a-cloud-optimized-linux-distribution-with-long-term-support/ > > > > FYI2: Amazon Linux 2 was scheduled to reach EOL on > > 2023-06-30 but has been extended to 2025-06-30: > > > > https://aws.amazon.com/amazon-linux-2/faqs/ > > > >> Amazon Linux 2 end of support date (End of Life, or EOL) > >> has been extended by two years from 2023-06-30 to > >> 2025-06-30 to provide customers with ample time to migrate > >> to the next version. > > > > FYI3: We'll support Amazon Linux 2023 in Apache Arrow C++ > > 13.0.0: > > > > https://github.com/apache/arrow/pull/36081 > > > > > > Related issue: > > > > [C++] Require CMake 3.16 or later > > https://github.com/apache/arrow/issues/34921 > > > > > > Thanks, >
