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gh-141172: Update to wasi-sdk-29 #141684

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Merged
merged 2 commits into from
Nov 19, 2025
Merged

gh-141172: Update to wasi-sdk-29 #141684

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b837d0b
gh-141172: Update to wasi-sdk-29
alexcrichton Nov 17, 2025
073c260
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alexcrichton Nov 19, 2025
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2 changes: 1 addition & 1 deletion .github/workflows/reusable-wasi.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ jobs:
timeout-minutes: 60
env:
WASMTIME_VERSION: 38.0.3
WASI_SDK_VERSION: 25
WASI_SDK_VERSION: 29
WASI_SDK_PATH: /opt/wasi-sdk
CROSS_BUILD_PYTHON: cross-build/build
CROSS_BUILD_WASI: cross-build/wasm32-wasip1
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1 change: 1 addition & 0 deletions Include/pyport.h
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Expand Up @@ -504,6 +504,7 @@ extern "C" {
* Thread support is stubbed and any attempt to create a new thread fails.
*/
#if (!defined(HAVE_PTHREAD_STUBS) && \
!defined(__wasi__) && \
(!defined(__EMSCRIPTEN__) || defined(__EMSCRIPTEN_PTHREADS__)))
# define Py_CAN_START_THREADS 1
#endif
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4 changes: 1 addition & 3 deletions Lib/test/test_sys.py
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Expand Up @@ -730,14 +730,12 @@ def test_thread_info(self):
self.assertEqual(len(info), 3)
self.assertIn(info.name, ('nt', 'pthread', 'pthread-stubs', 'solaris', None))
self.assertIn(info.lock, ('pymutex', None))
if sys.platform.startswith(("linux", "android", "freebsd")):
if sys.platform.startswith(("linux", "android", "freebsd", "wasi")):
self.assertEqual(info.name, "pthread")
elif sys.platform == "win32":
self.assertEqual(info.name, "nt")
elif sys.platform == "emscripten":
self.assertIn(info.name, {"pthread", "pthread-stubs"})
elif sys.platform == "wasi":
self.assertEqual(info.name, "pthread-stubs")

def test_abi_info(self):
info = sys.abi_info
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6 changes: 3 additions & 3 deletions Tools/wasm/wasi/__main__.py
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Expand Up @@ -31,7 +31,7 @@
b"# Required to statically build extension modules."
)

WASI_SDK_VERSION = 25
WASI_SDK_VERSION = 29

WASMTIME_VAR_NAME = "WASMTIME"
WASMTIME_HOST_RUNNER_VAR = f"{{{WASMTIME_VAR_NAME}}}"
Expand Down Expand Up @@ -419,8 +419,8 @@ def main():
f"{WASMTIME_HOST_RUNNER_VAR} run "
# Make sure the stack size will work for a pydebug
# build.
# Use 16 MiB stack.
"--wasm max-wasm-stack=16777216 "
# Use 32 MiB stack.
"--wasm max-wasm-stack=33554432 "
# Enable thread support; causes use of preview1.
# "--wasm threads=y --wasi threads=y "
# Map the checkout to / to load the stdlib from /Lib.
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