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

[Antoine Pitrou]

Change by Antoine Pitrou <pitrou at free.fr>:


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nosy: +dstufft, eric.araujo, p-ganssle, vstinner

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