[MacPorts] #28202: graphviz 2.26.3_4 build fails due to missing library png12

[MacPorts]

#28202: graphviz  2.26.3_4 build fails due to missing library png12
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  Reporter:  ludwig@…            |       Owner:  macports-tickets@…                   
      Type:  defect              |      Status:  closed                               
  Priority:  Normal              |   Milestone:                                       
 Component:  ports               |     Version:  1.9.2                                
Resolution:  worksforme          |    Keywords:  libpng                               
      Port:  graphviz            |  
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Changes (by ryandesign@…):

 * cc: miken32@… (added)


Comment:

 Some port you've installed is still linked with libpng 1.2. You need to
 locate and rebuild that thing. You may need to do a brute-force search of
 /opt/local/lib and/or /opt/local/bin to identify what it is.

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Ticket URL: <https://trac.macports.org/ticket/28202#comment:5>
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