gounthar opened a new pull request, #49556:
URL: https://github.com/apache/arrow/pull/49556
### Describe the enhancement requested
Add riscv64 to the PyArrow wheel build pipeline using `manylinux_2_39` and
native RISE riscv64 runners.
### Changes
- **`dev/tasks/tasks.yml`**: Add `("manylinux", "riscv64", "2-39",
"manylinux_2_39_riscv64")` to the Linux wheel matrix
- **`dev/tasks/python-wheels/github.linux.yml`**: Add `ubuntu-24.04-riscv`
runner selection and `riscv64` ARCH mapping
### What's still needed
- [ ] Docker image for riscv64 wheel builds
(`apache/arrow-dev:riscv64-python-*-wheel-manylinux-2_39-vcpkg-*`)
- [ ] vcpkg dependency verification for riscv64
- [ ] Testing via Crossbow
This draft PR enables the CI pipeline. The Docker image creation is a
separate effort — happy to work on that as well, or coordinate with the team.
### Evidence
- Arrow C++ native build on BananaPi F3 (SpacemiT K1, rv64gc, GCC 14.2.0):
**SUCCESS** (1h13m)
- PyArrow install from source (Parquet, CSV, JSON, Compute, Filesystem):
**SUCCESS**
- `import pyarrow; print(pyarrow.__version__)` → `24.0.0a1.dev1`
### CI Runners
Native riscv64 runners are available for free via [RISE RISC-V
runners](https://github.com/apps/rise-risc-v-runners). numpy, llama.cpp, and
pytorch already use them.
Fixes #49555
Note: this work is part of the [RISE Project](https://riseproject.dev/)
effort to improve Python ecosystem support on riscv64 platforms.
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