[MacPorts] #63895: ruby ports: enable parallel builds

[MacPorts]

#63895: ruby ports: enable parallel builds
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  Reporter:  mascguy  |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.1
Resolution:           |   Keywords:  parallel_build
      Port:  ruby*    |
----------------------+----------------------------
Description changed by mascguy:

Old description:

> It looks like virtually every one of our Ruby ports - with the lone
> exception of `ruby186` - are configured to disable parallel builds.
>
> Quickly searching through all old MacPorts tickets, there don't appear to
> be any issues related to this. No did 2 minutes of general Googling,
> return anything suggesting that parallel builds cause issues.
>
> And finally, there is no explanation in the various Ruby portfiles, as to
> why parallel builds are disabled.
>
> Is there a technical reason for this?

New description:

 It looks like virtually every one of our Ruby ports - with the lone
 exception of `ruby186` - are configured to disable parallel builds.

 Quickly searching through all old MacPorts tickets, there don't appear to
 be any issues related to this. Nor did 2 minutes of general Googling,
 return anything suggesting that parallel builds cause issues.

 And finally, there is no explanation in the various Ruby portfiles, as to
 why parallel builds are disabled.

 Is there a technical reason for this?

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Ticket URL: <https://trac.macports.org/ticket/63895#comment:5>
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