[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:
 Keywords:          |       Port:  xar
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 Xar doesn't use icu directly, but ends up linked with it. This is because
 it uses xml2-config, which has no --static option and so always output the
 libs needed for static linking. Using pkg-config instead would fix this.

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