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GeezerVison is showing github.com — Support PEP 831 · Issue #621 · PyO3/setuptools-rust

Support PEP 831 #621

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Support PEP 831#621
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@davidhewitt
davidhewitt
opened on Oct 7, 2026
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PEP 831 recommended all extensions build with frame pointers by default.

See also https://docs.python.org/3.15/using/configure.html#cmdoption-without-frame-pointers - it looks like we can query sysconfig for this. We should probably automatically query sysconfig and add rustflags as appropriate, maybe giving users an option to disable this behaviour (e.g. so they can set RUSTFLAGS to enable/disable frame pointers themselves).

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  1. davidhewitt commented on Oct 7, 2026

    @davidhewitt
    davidhewitt
    on Oct 7, 2026
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    see also PyO3/maturin#3323

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