[MacPorts] #28010: eog does not run after libpng ungrade

[MacPorts]

#28010: eog does not run after libpng ungrade
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 Reporter:  jwhowse4@…            |       Owner:  devans@…           
     Type:  defect                |      Status:  new                
 Priority:  Normal                |   Milestone:                     
Component:  ports                 |     Version:  1.9.2              
 Keywords:                        |        Port:  eog                
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Comment(by dports@…):

 Replying to [comment:2 ryandesign@…]:
 > Dan's revbump to eog in r75193 should be all that's needed; eog builds
 fine for me with libpng 1.4.5. Not sure why you're seeing:
 > /opt/macports/lib/libpng12.la: No such file or directory

 If you were wondering where that particular message comes from, it's
 because one of the dependencies (it was either cairomm or pangomm, I
 forgot which) built a dylib that didn't link against libpng12, but the
 libtool .la file included a reference to libpng12 for reasons known only
 to libtool. I think it has something to with static linking. Worth keeping
 this in mind when revbumping dependents of a changed library because it's
 an easy one to miss.

 If, on the other hand, you just weren't sure why *he's* seeing that
 message, then yeah, the revbump should take care of it. :-)

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Ticket URL: <https://trac.macports.org/ticket/28010#comment:3>
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