[MacPorts] #59400: xar overlinks with libxml2's dependencies

[MacPorts]

#59400: xar overlinks with libxml2's dependencies
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  Reporter:  jmroot  |      Owner:  Schamschula
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  xar     |
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Comment (by jmroot):

 The configure script doesn't currently have any code to check for libxml2
 using pkg-config.

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Ticket URL: <https://trac.macports.org/ticket/59400#comment:3>
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