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apache-beam 2.54.0-2.61.0 (the window apache-flink needs for its cimport'd Cython bindings) all pin pyarrow<17.0.0; our registry only carried 25.0.1/26.0.0. 16.1.0 shares the existing bundled-Arrow-C++ build (env-var driven, same as 25.0.1/26.0.0); the build matrix drops cp313/cp314/cp314t for this version since it predates cp313's release by ~5 months and upstream itself never shipped past cp312 for it.
luhenry
marked this pull request as draft
October 15, 2026 12:13
ARROW_DEPENDENCY_SOURCE=BUNDLED builds gflags via ExternalProject_Add using its vendored cmake_minimum_required(VERSION 2.8.12), below CMake 4's removed-compatibility floor of 3.5. The riscv64 image's pipx-installed cmake is >= 4, so the gflags_ep configure step hard-errors before any other bundled dependency gets a chance to build. Export CMAKE_POLICY_VERSION_MINIMUM=3.5 for the whole build: CMake reads it from the environment with the same effect as the -D cache flag, so it reaches every nested cmake invocation ExternalProject_Add makes without needing to patch Arrow's own CMakeLists.txt.
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pyarrow16.1.0Builds Arrow C++ and the Cython-based pyarrow bindings. Upstream publishes no riscv64 wheel for this version.
Mirrors the existing
build-pyarrow.yml(bundled Arrow C++, env-var driven, same as 25.0.1/26.0.0).Differs from upstream
Matrix: cp312 only - 16.1.0 predates cp313's release by ~5 months and upstream itself never shipped past cp312 for it.
Testing
License: OK
Built on cp312.