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lzallright: add build-lzallright.yml for riscv64 wheels - #1384

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Sep 7, 2026
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lzallright: add build-lzallright.yml for riscv64 wheels#1384
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@luhenry luhenry commented Sep 7, 2026

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Compiles a PyO3/maturin binding around lzokay, a vendored C++14 LZO codec, via a cxx bridge. Upstream publishes no riscv64 wheel.

Mirrors the Linux job of upstream's CI.yml.

Differs from upstream

  • Drops cp38 - riscv64 image floor is cp39; abi3 tag is unaffected.
  • Swaps cp313-cp313t for cp314t - image ships no cp313t.
  • Installs libstdc++-static (CRB) - lzokay-sys's build.rs static-links it, image lacks it by default.

Matrix: cp38-abi3 built on cp39 and reused through cp314; cp314t separately (no other free-threaded target in the image).

Testing

  • same as upstream

License: OK

Built locally on cp39-equivalent (arm64 macOS); 5 passed.

Rust/PyO3 (maturin) LZO binding: single cp38-abi3 wheel built on cp39
(the riscv64 image's floor) covers cp39-cp314, with a separate cp314t
wheel for the free-threaded build (image ships no cp313t, so it
substitutes for upstream's cp313-cp313t). libstdc++-static (CRB-only)
is installed alongside rustup for lzokay-sys's vendored C++ build.
luhenry added a commit that referenced this pull request Sep 7, 2026
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luhenry merged commit 016e3f0 into main Sep 7, 2026
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luhenry deleted the lzallright branch September 7, 2026 16:07
@luhenry luhenry linked an issue Sep 7, 2026 that may be closed by this pull request
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lzallright riscv64 support

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