[MacPorts] #15452: openssl: enable parallel build

[MacPorts]

#15452: openssl: enable parallel build
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  Reporter:  ryandesign@…  |      Owner:  mww@…
      Type:  enhancement   |     Status:  reopened
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  1.6.0
Resolution:                |   Keywords:
      Port:                |
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Comment (by jeremyhu@…):

 A quick look in current sources' Makefile.org shows that the issue
 persists.  Please just fix it and pass the fix upstream.

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Ticket URL: <https://trac.macports.org/ticket/15452#comment:5>
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