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asammdf: add build-asammdf.yml for riscv64 wheels - #1667

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Sep 10, 2026
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asammdf: add build-asammdf.yml for riscv64 wheels#1667
luhenry merged 1 commit into
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@luhenry luhenry commented Sep 10, 2026

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Compiles asammdf's asammdf.blocks.cutils C extension, which statically links vendored libdeflate/lz4/zstd for MDF block (de)compression. Upstream publishes no riscv64 wheel.

Mirrors upstream's own wheels.yml.

Differs from upstream

  • CIBW_BUILD narrowed to cp312/cp313/cp314 - numpy/pandas/lz4/numexpr/zstd riscv64 wheels start at cp312 on our registry.
  • PIP_EXTRA_INDEX_URL/PIP_ONLY_BINARY added for the same five packages - none has a riscv64 wheel on public PyPI.

Matrix: cp312/cp313/cp314 only - upstream's own skip excludes cp314t/cp315 (one abi3 wheel, no free-threaded build).

Testing

  • same as upstream

License: Statically links vendored libdeflate (MIT), lz4's lib/ (BSD-2-Clause), and zstd (BSD), same as upstream's own wheel, which ships no extra licence text for them.

Built on cp312 (local macOS/arm64 rehearsal); 55 passed, 2 skipped.

luhenry added a commit that referenced this pull request Sep 10, 2026
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luhenry merged commit bea17a2 into main Sep 10, 2026
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luhenry deleted the asammdf branch September 10, 2026 10:42
@luhenry luhenry linked an issue Sep 10, 2026 that may be closed by this pull request
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asammdf riscv64 support

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