[MacPorts] #42315: upgrade of librsvg fails

[MacPorts]

#42315: upgrade of librsvg fails
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  Reporter:  david.w.watson@…  |      Owner:  pixilla@…
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.2.1
Resolution:                    |   Keywords:
      Port:  librsvg           |
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Comment (by cilly@…):

 port -sf uninstall cairo freetype
 port clean cairo freetype

 port clean outdated
 port -psnuf upgrade outdated

 solved the issue for me

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Ticket URL: <https://trac.macports.org/ticket/42315#comment:4>
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