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[3.11] gh-95853: Add script to automate WASM build (GH-95828, GH-95985, GH-96045, GH-96389, GH-96744) (GH-96749)

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Automate WASM build with a new Python script. The script provides
several build profiles with configure flags for Emscripten flavors
and WASI. The script can detect and use Emscripten SDK and WASI SDK from
default locations or env vars.

``configure`` now detects Node arguments and creates HOSTRUNNER
arguments for Node 16. It also sets correct arguments for
``wasm64-emscripten``.
This commit is contained in:
Christian Heimes 2022-09-13 12:06:39 +02:00 • committed by GitHub
parent 390123b412
commit 4958820032
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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 1237 additions and 41 deletions
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10
Python/sysmodule.c
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@ -2775,14 +2775,18 @@ EM_JS(char *, _Py_emscripten_runtime, (void), {
if (typeof navigator == 'object') {
info = navigator.userAgent;
} else if (typeof process == 'object') {
info = "Node.js ".concat(process.version)
info = "Node.js ".concat(process.version);
} else {
info = "UNKNOWN"
info = "UNKNOWN";
}
var len = lengthBytesUTF8(info) + 1;
var res = _malloc(len);
stringToUTF8(info, res, len);
if (res) stringToUTF8(info, res, len);
#if __wasm64__
return BigInt(res);
#else
return res;
#endif
});
static PyObject *