[MacPorts] #28183: pngmeta: error: 'png_IDAT' undeclared (was: libpng upgrade to 1.4 breaks pngmeta)

[MacPorts]

#28183: pngmeta: error: 'png_IDAT' undeclared
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 Reporter:  vinc17@…             |       Owner:  macports-tickets@…                   
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  1.9.2                                
 Keywords:  png                  |        Port:  pngmeta                              
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Changes (by ryandesign@…):

 * cc: ryandesign@… (added)
  * priority:  High => Normal
  * keywords:  => png
  * owner:  ryandesign@… => macports-tickets@…
  * port:  libpng pngmeta => pngmeta


Comment:

 We're not reverting to libpng 1.2. pngmeta didn't build with libpng 1.2
 either; see #26263.

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Ticket URL: <https://trac.macports.org/ticket/28183#comment:1>
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