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test_cext, test_cppext: enable /W4 warnings on Windows (python#124253)
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Add an explicit cast to (void*) and add Py_UNUSED() to fix some
warnings in extension.c.
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vstinner authored Sep 19, 2024
1 parent 5f01111 commit 7a2d77c
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Showing 3 changed files with 12 additions and 2 deletions.
10 changes: 8 additions & 2 deletions Lib/test/test_cext/extension.c
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,13 @@ static PyMethodDef _testcext_methods[] = {


static int
_testcext_exec(PyObject *module)
_testcext_exec(
#ifdef __STDC_VERSION__
PyObject *module
#else
PyObject *Py_UNUSED(module)
#endif
)
{
#ifdef __STDC_VERSION__
if (PyModule_AddIntMacro(module, __STDC_VERSION__) < 0) {
Expand All @@ -53,7 +59,7 @@ _testcext_exec(PyObject *module)
}

static PyModuleDef_Slot _testcext_slots[] = {
{Py_mod_exec, _testcext_exec},
{Py_mod_exec, (void*)_testcext_exec},
{0, NULL}
};

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2 changes: 2 additions & 0 deletions Lib/test/test_cext/setup.py
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@
else:
# MSVC compiler flags
CFLAGS = [
# Display warnings level 1 to 4
'/W4',
# Treat all compiler warnings as compiler errors
'/WX',
]
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2 changes: 2 additions & 0 deletions Lib/test/test_cppext/setup.py
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
else:
# MSVC compiler flags
CPPFLAGS = [
# Display warnings level 1 to 4
'/W4',
# Treat all compiler warnings as compiler errors
'/WX',
]
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