[MacPorts] #59727: gcc9: fails to link properly (-lSystem no found)

[MacPorts]

#59727: gcc9: fails to link properly (-lSystem no found)
------------------------+--------------------
  Reporter:  akimd      |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.2
Resolution:             |   Keywords:
      Port:  gcc8 gcc9  |
------------------------+--------------------

Comment (by kencu):

 I see the bullbot version of gcc8 is from May, so it might still be
 broken. The gcc9 version is from October, probably is fixed.

 Can you help us out and tell us was your issue with gcc8 or gcc9?

 All that is needed is a rev-bump, but it's long, slow, tedious install
 unless needed, otherwise we would just revbump them all and be done with
 this.

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Ticket URL: <https://trac.macports.org/ticket/59727#comment:11>
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