`Rustc` requires a greater `MACOSX_DEPLOYMENT_TARGET` than the lower limit of `cibuildwheel`

[hadialqattan]

Description

Rustc requires MACOSX_DEPLOYMENT_TARGET >= 3.12 while cibuildwheel sets the minimum possible MACOSX_DEPLOYMENT_TARGET to 10.9 by default. Which causes building wheels for Intel MacOS to fail if the user didn't manually set MACOSX_DEPLOYMENT_TARGET properly.

ref 0: cibuildwheel/macos.py

ref 1: rustc/src/platform-support/apple-darwin.md

Build log

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CI config

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[henryiii]

Probably should be added to docs as a note, then? Also, CPython 3.12+ requires 10.13 anyway, so it only affects older CPythons. Don't think there's anything cibuildwheel can/should do, other than add a note in docs.

[hadialqattan]

@henryiii I do agree with you. I tried to document it in PR #2326.

Thank you for your prompt response.