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Successful run example: https://ci.chromium.org/ui/p/flutter/builders/try/Linux%20linux_license/35497/overview The output of licenses_cpp was verified by comparing it's output with `//flutter/tools/license_file_compare`. All copyrights from the old tool exist in the new tool. major differences: 1) runtime - 30s locally 1) macos compatibility 1) there are no more checked-in goldens, instead the log from the run is used to audit design doc: https://docs.google.com/document/d/1TldHod_Ske3llv26l4eIyt64bg8TeDc7Jk7u9L7gnvM/edit?tab=t.0#heading=h.17wg41voij6q work left: 1) delete old license checker 1) clean up the handling of licenses that exist across multiple comments (boost license) 1) clean up the data directory so that whitespace between words is ignored. (remove `\s+` usage) ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
Flutter Engine
Setting up the Engine development environment
See here
gclient bootstrap
Flutter engine uses gclient to manage dependencies.
If you've already cloned the flutter repository: