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This function will strip '-isysroot PATH' and '-arch ARCH' from the
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c C s+ t s t | t | t | | S)a Customize Python build configuration variables.
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containing name/value pairs parsed from the configured
makefile used to build this interpreter. Returns
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a Python from a binary installer, the installed
environment may be very different from the build
environment, i.e. different OS levels, different
built tools, different available CPU architectures.
This customization is performed whenever
distutils.sysconfig.get_config_vars() is first
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compilers are present, i.e. when installing pure
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until the first extension module build is
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