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gh-95085: Promote Emscripten and WASI to PEP 11 tier 3 (GH-95086)

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Christian Heimes 2022-07-27 08:18:34 +02:00 • committed by GitHub
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@ -1551,10 +1551,19 @@ Build Changes
The :program:`configure` options ``--with-tcltk-includes`` and
``--with-tcltk-libs`` have been removed.
* CPython now has experimental support for cross compiling to WebAssembly
platform ``wasm32-emscripten``. The effort is inspired by previous work
like Pyodide.
(Contributed by Christian Heimes and Ethan Smith in :issue:`40280`.)
* CPython now has :pep:`11` tier 3 support for cross compiling to WebAssembly
platform ``wasm32-unknown-emscripten`` (Python in the browser). The effort
is inspired by previous work like `Pyodide <https://pyodide.org/>`_.
Emscripten provides a limited subset of POSIX APIs. Python standard
libraries features and modules related to networking, processes, threading,
signals, mmap, and users/groups are not available or don't work.
(Contributed by Christian Heimes and Ethan Smith in :gh:`84461`,
promoted in :gh:`95085`)
* CPython now has :pep:`11` tier 3 support for cross compiling to WebAssembly
platform ``wasm32-unknown-wasi`` (WebAssembly System Interface). Like on
Emscripten, only a subset of Python's standard library is available on WASI.
(Contributed by Christian Heimes in :gh:`90473`, promoted in :gh:`95085`)
* CPython will now use 30-bit digits by default for the Python :class:`int`
implementation. Previously, the default was to use 30-bit digits on platforms