Support executing .bat script as a compiler on Windows
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- Dominant language
- Rust
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- Avg merge
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- Merged PRs (30d)
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Description
rustc has code to execute a .bat script as a linker on Windows because it's difficult to otherwise use a script as a linker there:
https://github.com/rust-lang/rust/blob/d2048b6db375299b681d4f4728b8e7cad9f74d5f/src/librustc_codegen_llvm/back/link.rs#L59
In the Firefox build we don't currently pass compiler paths to cargo for build scripts to use because msys' path translation makes a mess of them (mostly because we're using sccache and having a space in the path breaks things):
https://searchfox.org/mozilla-central/rev/c07aaf12f13037c1f5a343d31f8291549e57373f/config/rules.mk#917
If this crate supported executing a .bat script as a compiler on Windows we could instead put everything we needed in there and simply pass the path to the .bat which ought to work.
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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 by comparing rustc's Windows .bat linker handling in src/librustc_codegen_llvm/back/link.rs and reviewing the Firefox config/rules.mk context linked in the issue. Done means cc-rs can execute a .bat path as a compiler on Windows for build scripts; no specific cc-rs test is named.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- build-system
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100