mirror of https://github.com/python/cpython
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.
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# gh-91321: Build a basic C++ test extension to check that the Python C API is
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# gh-91321: Build a basic C++ test extension to check that the Python C API is
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# compatible with C++ and does not emit C++ compiler warnings.
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# compatible with C++ and does not emit C++ compiler warnings.
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import os
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import os
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import shlex
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import sys
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import sys
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import sysconfig
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from setuptools import setup, Extension
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from setuptools import setup, Extension
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@ -30,6 +32,17 @@ def main():
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cppflags = [*CPPFLAGS, f'-std={std}']
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cppflags = [*CPPFLAGS, f'-std={std}']
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# gh-105776: When "gcc -std=11" is used as the C++ compiler, -std=c11
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# option emits a C++ compiler warning. Remove "-std11" option from the
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# CC command.
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cmd = (sysconfig.get_config_var('CC') or '')
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if cmd is not None:
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cmd = shlex.split(cmd)
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cmd = [arg for arg in cmd if not arg.startswith('-std=')]
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cmd = shlex.join(cmd)
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# CC env var overrides sysconfig CC variable in setuptools
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os.environ['CC'] = cmd
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cpp_ext = Extension(
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cpp_ext = Extension(
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name,
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name,
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sources=[SOURCE],
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sources=[SOURCE],
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@ -0,0 +1,2 @@
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Fix test_cppext when the C compiler command ``-std=c11`` option: remove
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``-std=`` options from the compiler command. Patch by Victor Stinner.
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