onnxruntime: add build-onnxruntime.yml for riscv64 wheels - #363
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onnxruntime publishes no sdist and its setup.py packages an already-built CMake tree, so cibuildwheel can't drive it: the workflow mirrors upstream's py-linux.yml by running tools/ci_build/build.py inside the manylinux riscv64 image, then repairs and tests the wheel the same way run_python_tests.sh does.
Upstream's build image adds a non-root onnxruntimedev user and runs the build as it; the manylinux container runs as root, which build.py refuses by default.
…tall run_python_tests.sh installs /build/<config>/requirements.txt (cmake's copy of the repo-root one) before the --no-index install, so onnxruntime's runtime dependencies resolve from an index; without it the test container only had whatever the CI test requirements happened to pull in.
The smoke check asserted on onnxruntime.capi._pybind_state, which is a pure-Python shim that re-exports the extension; the compiled module is onnxruntime.capi.onnxruntime_pybind11_state. All four jobs built and auditwheel-repaired their wheel and then failed on that assertion. The cp312 job separately lost a ~9h runner slot to a transient "No URLs in mirrorlist" from dnf, so that install is now retried.
This was referenced Aug 27, 2026
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Adds a riscv64 wheel build for onnxruntime 1.29.0.
onnxruntime publishes no sdist, and its
setup.pypackages an already-built CMake tree rather than driving the build itself, so cibuildwheel cannot be used. The workflow mirrors upstream'stemplates/py-linux.ymland the two scripts it runs inside the build container (build_linux_python_package.sh,run_python_tests.sh): apodman runagainstquay.io/pypa/manylinux_2_39_riscv64invokestools/ci_build/build.py, then the wheel is auditwheel-repaired and tested.Deviations from upstream, all noted inline:
--use_vcpkg/--use_vcpkg_ms_internal_asset_cachedropped - the asset cache is MS-internal and the dependencies build fine fromcmake/deps.txt;--enable_ltodropped, to keep peak link memory and build time down on the riscv runner;--compile_no_warning_as_errorpassed explicitly - upstream gets the same effect fromSYSTEM_COLLECTIONURIbeing set in ADO (seebuild.py:use_dev_mode);auditwheel repairrun explicitly -setup.py's manylinux allow-list has no riscv64 entry, so it tags the wheellinux_riscv64and skips the repair it runs elsewhere;run_python_tests.shalso runs are skipped: they test the library rather than the wheel and read the ONNX node corpus from/data/onnx, which upstream mounts from its own agents.The Python test list is
build.py:run_onnxruntime_tests' own CPU path, unchanged.