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Build NIXL's CPU-only configuration for riscv64: meson disables every CUDA/GPU plugin when no CUDA toolkit is found and still names the package nixl_cu12, leaving the UCX and POSIX backends. UCX v1.22.0 is built from source with upstream's configure flags minus --with-cuda.
luhenry
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luhenry
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…u13 split is CUDA-version-detection only)
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meson-python packs only the real file of NIXL's versioned-SONAME subproject libraries (liburing.so.2.14, SONAME liburing.so.2; the prometheus-cpp libcore/libpull likewise), never the SONAME symlink, so auditwheel repair fails with "required library liburing.so.2 could not be located". Upstream's Dockerfile.manylinux avoids this by running meson setup + ninja install of NIXL to /usr/local/nixl and registering it with the loader before build-wheel.sh; do the same in before-all.
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nixl-cu121.4.0Compiles NIXL's C++ core, its pybind11 bindings and the UCX and POSIX transfer backends, against UCX built from source. Upstream publishes no riscv64 wheel.
Mirrors upstream's
build-wheel.shandDockerfile.manylinux.Differs from upstream
nixl_cu12name.--with-cuda;nixl_epis not built (needs CUDA).meson install+ldconfigin before-all, soauditwheel repaircan resolveliburing.so.2's SONAME (meson-python drops the symlink otherwise).Testing
pytest -s test/python,UCX_TLS=^shmas in upstream's non-GPU CI)nixlmeta package installed with--no-deps, sincenixl-cu13has no riscv64 wheel.License: Wheel bundles UCX (BSD-3-Clause) and libaio (LGPL-2.1); upstream ships their texts in
ATTRIBUTIONS-CPP.md, which the patch adds to the wheel.Patches
0001-Ship-ATTRIBUTIONS-CPP.md-in-the-wheel-s-licence-files.patch- To upstream. Without it no third-party licence text ships; not arch-specific.Rehearsed CPU-only on x86_64; 24 passed, 2 skipped.