From: Matthew Wilkes <git@matthewwilkes.name>
Date: Mon, 25 Mar 2019 19:53:20 +0000 (+0000)
Subject: Limit sysv_ipc to non-Windows installs
X-Git-Tag: 1.2.8~1^2
X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/commitdiff_plain/81790ff48cfc2a68f198997d71313384c661bb3d?hp=81790ff48cfc2a68f198997d71313384c661bb3d

Limit sysv_ipc to non-Windows installs

This dependency is compatible with "most (all?) Unixes", Windows support
is unofficial and only under Cygwin. Cygwin and WSL Python installs have
values of `platform.system()` other than Windows, therefore this prevents
installlation of `sysv_ipc` under standard Windows. This will cause `PulseIn`
to generate import errors on Windows, but as there is no Windows driver this
is likely not a problem. It will, however, allow for dependency resolution
and packaging to work on Windows.
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