[MacPorts] #57273: mysql57 fails install on macos mojave

[MacPorts]

#57273: mysql57 fails install on macos mojave
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  Reporter:  danmurray2k  |      Owner:  pixilla
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.5.4
Resolution:               |   Keywords:
      Port:  mysql57      |
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Comment (by rlhamil):

 Same solution worked for me.

 Shouldn't the port check for this, and either tell you what to do, or
 ensure correct prerequisites are installed?

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Ticket URL: <https://trac.macports.org/ticket/57273#comment:14>
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