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[3.11] gh-105776: Fix test_cppext when CC contains -std=c11 option (#108343) (#108347)

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gh-105776: Fix test_cppext when CC contains -std=c11 option (#108343)

Fix test_cppext when the C compiler command has the "-std=c11" option.
Remove "-std=" options from the compiler command.

(cherry picked from commit 9173b2bbe1)
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Victor Stinner 2023-08-23 05:47:41 +02:00 • committed by GitHub
parent a15396146f
commit 1aff195903
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13
Lib/test/test_cppext/setup.py
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@ -1,7 +1,9 @@
# gh-91321: Build a basic C++ test extension to check that the Python C API is
# compatible with C++ and does not emit C++ compiler warnings.
import os.path
import shlex
import sys
import sysconfig
from setuptools import setup, Extension
@ -36,6 +38,17 @@ def main():
cppflags = [*CPPFLAGS, f'-std={std}']
# gh-105776: When "gcc -std=11" is used as the C++ compiler, -std=c11
# option emits a C++ compiler warning. Remove "-std11" option from the
# CC command.
cmd = (sysconfig.get_config_var('CC') or '')
if cmd is not None:
cmd = shlex.split(cmd)
cmd = [arg for arg in cmd if not arg.startswith('-std=')]
cmd = shlex.join(cmd)
# CC env var overrides sysconfig CC variable in setuptools
os.environ['CC'] = cmd
cpp_ext = Extension(
name,
sources=[SOURCE],