When using the pixi-build-python backend for building rust packages with Maturin, you might end up with Maturin building a ....-macosx_26_0_arm64.whl wheel. But this is not a wheel that is build for you system.
Pixi should automatically inject these build variants based on the system-requirements that your workspace has set, or default to the default system-requirements.
conda-forge and uv also default to 11.0.
Workaround
A workaround right now is to set the build-variants:
[workspace]
build-variants = { c_stdlib = ["macosx_deployment_target"], c_stdlib_version = ["11.0"] }Potenial error
Adding this for searchability reference.
When using the uv installer to build your python package you might see a similar error to this:
│ │ DEBUG Built `particle-rs @ file:///Users/dev/pixi/examples/pixi-build/polyglot-particles/particle_rs` into `particle_rs-0.1.0-cp314-cp314-macosx_
│ │ 26_0_arm64.whl`
│ │ Built particle-rs @ file:///Users/dev/pixi/examples/pixi-build/polyglot-particles/particle_rs
│ │ TRACE Released lock at `$SRC_DIR/.cache/uv/sdists-v9/editable/a98d6922f6474c71/.lock`
│ │ × Failed to build `particle-rs @
│ │ │ file:///Users/dev/pixi/examples/pixi-build/polyglot-particles/particle_rs`
│ │ ╰─▶ The built wheel `particle_rs-0.1.0-cp314-cp314-macosx_26_0_arm64.whl` is
│ │ not compatible with the current Python 3.14 on macOS aarch64
When using the
pixi-build-pythonbackend for building rust packages with Maturin, you might end up with Maturin building a....-macosx_26_0_arm64.whlwheel. But this is not a wheel that is build for you system.Pixi should automatically inject these build variants based on the
system-requirementsthat your workspace has set, or default to the default system-requirements.conda-forgeanduvalso default to11.0.Workaround
A workaround right now is to set the
build-variants:Potenial error
Adding this for searchability reference.
When using the
uvinstaller to build your python package you might see a similar error to this: