[MacPorts] #29015: gnuplot library not found for -lpng12

[MacPorts]

#29015: gnuplot library not found for -lpng12
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 Reporter:  kayousterhout@…          |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  ports                    |     Version:  1.9.2                                
 Keywords:  png                      |        Port:  gnuplot                              
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Changes (by ryandesign@…):

 * cc: ryandesign@… (added)
  * keywords:  => png


Comment:

 Something on your system still thinks it should be using libpng 1.2, when
 it has in fact been updated to version 1.4 some time ago.

 Does "port outdated" still show anything outdated? If so, upgrade it.

 If not, you'll need to manually locate what is still looking for libpng
 1.2, possibly with a brute-force search through /opt/local/lib and/or
 /opt/local/bin.

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Ticket URL: <https://trac.macports.org/ticket/29015#comment:1>
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