James Hilliard a8fe36b532 package/pkg-python: add setuptools-rust and maturin infrastructure ...

Python has two build backends for packages that use Rust:
setuptools-rust and maturin. Both are provided by the pyo3 package
infrastructure (but that's not relevant for Buildroot).

The setuptools-rust build backend is a setuptools extension that is
capable of building python rust extensions.

The maturin build backend is a pep517 build extension that is itself
written in rust, it is itself bootstrapped using setuptools-rust but
is not itself a setuptools extension.

Both are from the pyo3 build infrastructure, so we add both of them in a
single patch. They also share a lot of the cargo-specific handling.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
[Arnout: remove the _PYO3_ENV variables, the add little benefit]
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

2023-09-29 22:02:26 +02:00

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