[MacPorts] #29749: libdevil 1.7.8_2 refers to deprecated and removed function in libpng

[MacPorts]

#29749: libdevil 1.7.8_2 refers to deprecated and removed function in libpng
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 Reporter:  daftalx@…          |       Owner:  macports-tickets@…                   
     Type:  defect             |      Status:  new                                  
 Priority:  Normal             |   Milestone:                                       
Component:  ports              |     Version:  1.9.2                                
 Keywords:  png                |        Port:  libdevil                             
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Comment(by ryandesign@…):

 Yes, a local patch in MacPorts is fine for now, until the developers can
 apply it to their sources. But before I would commit such a patch, I would
 want to verify the issue, and verify the patch fixes it. That means I need
 a set of commands I can type in my terminal that demonstrate the problem.
 I am not a C programmer; if you are, can you supply a program that calls
 this function you mentioned, and instructions on how to compile and use
 it? Regarding the specific type of input file you suggest using with it,
 can you supply such an image?

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Ticket URL: <https://trac.macports.org/ticket/29749#comment:6>
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