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69 lines
2.0 KiB
Markdown
69 lines
2.0 KiB
Markdown
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# GN
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GN is a meta-build system that generates build files for
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[Ninja](https://ninja-build.org). There is documentation in
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[docs/](https://gn.googlesource.com/gn/+/master/docs/).
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## Getting started
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You can download the latest version of GN binary for
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[Linux](https://chrome-infra-packages.appspot.com/dl/gn/gn/linux-amd64/+/latest),
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[macOS](https://chrome-infra-packages.appspot.com/dl/gn/gn/mac-amd64/+/latest) and
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[Windows](https://chrome-infra-packages.appspot.com/dl/gn/gn/windows-amd64/+/latest).
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Alternatively, you can build GN from source:
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git clone https://gn.googlesource.com/gn
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cd gn
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python build/gen.py
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ninja -C out
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# To run tests:
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out/gn_unittests
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On Windows, it is expected that `cl.exe`, `link.exe`, and `lib.exe` can be found
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in `PATH`, so you'll want to run from a Visual Studio command prompt, or
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similar.
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On Linux and Mac, the default compiler is `clang++`, a recent version is
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expected to be found in `PATH`. This can be overridden by setting `CC`, `CXX`,
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and `AR`.
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## Reporting bugs
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If you find a bug, you can see if it is known or report it in the [bug
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database](https://bugs.chromium.org/p/gn/issues/list).
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## Sending patches
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GN uses [Gerrit](https://www.gerritcodereview.com/) for code review. The short
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version of how to patch is:
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Register at https://gn-review.googlesource.com.
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... edit code ...
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ninja -C out && out/gn_unittests
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Then, to upload a change for review:
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git commit
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git cl upload --gerrit
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When revising a change, use:
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git commit --amend
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git cl upload --gerrit
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which will add the new changes to the existing code review, rather than creating
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a new one.
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We ask that all contributors
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[sign Google's Contributor License Agreement](https://cla.developers.google.com/)
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(either individual or corporate as appropriate, select 'any other Google
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project').
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## Community
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You may ask questions and follow along w/ GN's development on Chromium's
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[gn-dev@](https://groups.google.com/a/chromium.org/forum/#!forum/gn-dev)
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Google Group.
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