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Description

Updates the Linux templates to use CMake+ninja, rather than Make, and updates the tooling to generate CMake support files rather than Make support files, and to drive the build using cmake and ninja.

Also updates doctor to check for cmake and ninja in place of make.

Note: While we could use CMake+Make rather than CMake+ninja, in testing ninja handled the tool_backend.sh call much better, calling it only once rather than once per dependent target. While it does add another dependency that people are less likely to already have, it's widely available in package managers, as well as being available as a direct download. Longer term, we could potentially switch from ninja to Make if it's an issue.

Related Issues

Fixes #52751

Tests

I added the following tests: Mostly just updated tests, but added some to cover the fact that there's one more binary in the workflow now.

Checklist

Before you create this PR confirm that it meets all requirements listed below by checking the relevant checkboxes ([x]). This will ensure a smooth and quick review process.

  • I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • I signed the CLA.
  • I read and followed the Flutter Style Guide, including Features we expect every widget to implement.
  • I read the Tree Hygiene wiki page, which explains my responsibilities.
  • I updated/added relevant documentation (doc comments with ///).
  • All existing and new tests are passing.
  • The analyzer (flutter analyze --flutter-repo) does not report any problems on my PR.
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Breaking Change

Did any tests fail when you ran them? Please read Handling breaking changes.

  • No, no existing tests failed, so this is not a breaking change.
  • Yes, this is a breaking change. If not, delete the remainder of this section.
    • I wrote a design doc: https://flutter.dev/go/template Replace this with a link to your design doc's short link
    • I got input from the developer relations team, specifically from: Replace with the names of who gave advice
    • I wrote a migration guide: Replace with a link to your migration guide
    • Linux is currently exempt from the breaking change policy. The tool itself provides migration instructions.

@fluttergithubbot fluttergithubbot added the tool Affects the "flutter" command-line tool. See also t: labels. label May 14, 2020
@stuartmorgan-g
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I've never used CMake before, so it's probably not perfect. I'm pretty sure it's better than the Makefile was though :)

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@jonahwilliams jonahwilliams left a comment

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Changes to tests, comments, formatting generally LGTM

I trust your judgement on the cmake

Also, how dare you leave a trailing space!

@stuartmorgan-g stuartmorgan-g merged commit 8abf0a6 into flutter:master May 16, 2020
@stuartmorgan-g stuartmorgan-g deleted the linux-cmake branch May 16, 2020 22:07
stuartmorgan-g added a commit to stuartmorgan-g/flutter-desktop-embedding that referenced this pull request May 16, 2020
Updates for flutter/flutter#57238

The new build files use the templates, modified as necessary for
dependencies (e.g., GTK).
stuartmorgan-g added a commit to google/flutter-desktop-embedding that referenced this pull request May 16, 2020
Updates for flutter/flutter#57238

The new build files use the templates, modified as necessary for
dependencies (e.g., GTK).
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Jul 31, 2021
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Switch to CMake for Linux desktop tooling

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