Use -fsyntax-only in Jenkins - Githubissues

stan-dev / stanc3

The Stan transpiler (from Stan to C++ and beyond).

BSD 3-Clause "New" or "Revised" License

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Use -fsyntax-only in Jenkins #1350

Open WardBrian opened 1 year ago

WardBrian commented 1 year ago

Submission Checklist

[x] Run unit tests
Documentation
- [ ] If a user-facing facing change was made, the documentation PR is here:
- [x] OR, no user-facing changes were made

Release notes

Try to use -fsyntax-only argument to Clang to speed up CI during the phases that only check if something actually compiles.

-fsyntax-only

Run the preprocessor, parser and semantic analysis stages

Copyright and Licensing

By submitting this pull request, the copyright holder is agreeing to license the submitted work under the BSD 3-clause license (https://opensource.org/licenses/BSD-3-Clause)

WardBrian commented 1 year ago

This shaves ~20-30 minutes off of the CI compared to what we do right now. If we don't actually care about code-generating or linking of the stanc-generated code, it seems like a nice speedup