Force libpython linking on iOS, and treat iOS as non-cross compiled #5605
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messense
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Nov 10, 2025
At present, when targeting an `abi3` build, Maturin will use a dummy interpreter to provide build configuration details, unless the user specifies an interpreter with `--interpreter`, or the target is cross-compiling, or Windows is being targeted. The use of a dummy interpreter when a real interpreter is available can lead to the interpreter details that are available and defined in `sysconfigdata` not being used as part of the build process. This was discovered in the process of working on iOS support (see #2827 and #2828); although the iOS build environment *does* provide build configuration details, those details were not being passed down to the PyO3 build configuration. With those two patches (and some patches to PyO3 - see PyO3/pyo3#5605 and PyO3/pyo3#5606), it was possible to build a non-abi3 wheel; but this patch was needed to build an abi3 wheel.
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Modifies the handling of iOS as platform, so that: