rust-lang / rust-lang/rust-bindgen
macro_fallback with many headers fails because pch file name is too long
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- Rust
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Description
When generating bindings for many headers, try_ensure_fallback_translation_unit fails because pch is constructed with a excessively long filename. Replacing it just by "precompile.h.pch" fixes this.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at try_ensure_fallback_translation_unit, where the pch filename is constructed. Reproduce generation with many headers, use the shorter precompile.h.pch name, and verify that fallback translation-unit generation succeeds.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 55/100