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This guide is up-to-date with the main branch.

Cross-compilation of the Python Package ​

Cross-compilation of the Python package is straightforward with Maturin and Zig. For example, to build the package for the aarch64-unknown-linux-gnu target, run the following command to install the target toolchain.

bash
rustup target add aarch64-unknown-linux-gnu

Then run the following command to build the Python package for the target.

bash
hatch run maturin build --release --target aarch64-unknown-linux-gnu --zig

INFO

  1. To build the Windows target on Linux/macOS, set the following environment variable to work around the issue with the blake3 crate.
    bash
    export CARGO_FEATURE_PURE=1
  2. Cross-compilation of the binary executable is more complicated since it requires a cross-compiled Python interpreter library. Currently, we do not provide support for this. However, if you are interested in exploring this, you can look at the PyO3 documentation and the cargo zigbuild tool.