[issue39763] distutils.spawn should use subprocess (hang in parallel builds on QNX)

[Michael Felt]

Change by Michael Felt <aixtools at felt.demon.nl>:


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pull_requests: +18204
pull_request: https://github.com/python/cpython/pull/18847

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39763>
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