Add support for iOS as a target platform

[freakboy3742]

Feature or enhancement

Proposal:

As proposed by PEP 730, it should be possible to compile and run CPython on iOS.

This is a meta-issue for the various PRs implementing this support to reference.

For historical reference: this was previously managed as #67858 (BPO23670).

Has this already been discussed elsewhere?

I have already discussed this feature proposal on Discourse

Links to previous discussion of this feature:

PEP 730 Discussion thread

Linked PRs

• gh-114099: Add test exclusions to support running the test suite on iOS #114889
• gh-114099: Add preprocessor declarations to support compilation on iOS #115023
• gh-114099: Add configure/Makefile changes to support iOS builds. #115063
• gh-114099: Refactor configure and Makefile to accomodate non-macOS frameworks #115120
• gh-114099: Add configure and Makefile targets to support iOS compilation. #115390
• gh-114099 - Add iOS testbed, plus Makefile target to invoke it. #115930
• gh-114099 - Add iOS framework loading machinery. #116454
• gh-114099: Additions to standard library to support iOS #117052
• gh-114099: Add documentation for iOS platform #117057
• gh-114099: Formalize Tier 3 status of iOS #118020
• gh-114099: Modify preprocessor symbol usage to support older macOS SDKs #118073
• gh-114099: Fix typos in iOS/README.rst #118378