On Tue, Oct 5, 2021 at 2:34 PM Joel Winarske <joel.winar...@gmail.com> wrote: > > I'm looking into best practice LTS support for Google GN based projects. > This includes Chromium, Flutter, SKIA, etc. > > The weakness I see today for GN projects is that it's a build system within a > build system, and doesn't support idiomatic download caching, download vs > patching isn't clear as it should be, etc. > > Two approaches to resolve this come to mind: > 1. Do something similar to how meta-rust does it. Pre-process GN build files > and generate Yocto recipes using a hostside tool (similar to cargo-bitbake > for meta-rust). This would skip usage of gclient entirely, and the tradeoff > is to incur download performance penalty. > > 2. Implement build parsing in a gclient/gn fetcher class. > > I feel the first approach would be easier to maintain and provide better > flexibility. It would incur a new host dependency, and require an additional > step to generate an updated recipe. > > I suspect the second approach would be an OE maintenance headache, as > complexities would be directly exposed in OE. Is this why gclient fetcher > support came and went? > > I'm figuring/hoping there are a few opinions floating around on this subject. > > Is there a better approach?
look at meta-browser/meta-chromium as well. > > Thanks, > Joel > > >
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