[PROJ] Bump CMake to 3.14+

[Even Rouault]

I'm also supporting of bumping to CMake 3.16+. You'll have at least to 
retire the .github/workflows/linux_gcc_5_4.yml workflow, which has no 
value any longer

Even

Le 05/01/2024 à 22:18, Erixen Cruz via PROJ a écrit :
> Hello,
>
> I would like feedback about possibly bumping the minimum CMake version 
> for PROJ to 3.14+. This idea comes from 
> https://github.com/OSGeo/PROJ/pull/3987  where I want to use CMake's 
> FindSQLite3 instead of PROJ's 
> https://cmake.org/cmake/help/latest/module/FindSQLite3.html .
>
> 3.16 is available in Travis CI with the Focal (Ubuntu 20.04 LTS) 
> distribution 
> https://docs.travis-ci.com/user/reference/focal/#compilers-and-build-toolchain . 
> Its possible to install a 3.14+ version on Bionic (18 LTS), which is 
> what PROJ uses now.
>
> 3.14 was release nearly five years ago 
> https://www.kitware.com/cmake-3-14-0-available-for-download/ so two 
> year old requirement from RFC 3 holds.
>
> What suggestions or problems do you have with this version bump?
>
> Sincerely,
> Erixen
> <https://www.kitware.com/cmake-3-14-0-available-for-download/>
> 	
> CMake 3.14.0 available for download 
> <https://www.kitware.com/cmake-3-14-0-available-for-download/>
> I am happy to announce that CMake 3.14.0 is now available for download 
> at:https://cmake.org/download/ The first two 3.14.0 release candidates 
> included the FindOcatave module. This has been removed in rc3, and rc4 
> pending further development. Documentation is available 
> at:https://cmake.org/cmake/help/v3.14 Release notes appear below and 
> are also published 
> athttps://cmake.org/cmake/help/v3.14/release/3.14.html Some of the 
> more significant changes in […]
> www.kitware.com
>
>
> <https://github.com/OSGeo/PROJ/pull/3987>
> 	
> Link to explicit SQLite3 target by ErixenCruz · Pull Request #3987 · 
> OSGeo/PROJ <https://github.com/OSGeo/PROJ/pull/3987>
> Added clear title that can be used to generate release notes This 
> change originates from Conan conan-io/conan-center-index#21512 
> (comment). I create an explicit SQLite::SQLite3 target library and ...
> github.com
>
>
>
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