[MacPorts] #29831: libglade2 build failure: /opt/local/lib/libpng12.la reference (was: libglade 2: the following items did not execute (for libglade2): org.macports.activate org.macports.build org.macports.destroot org.macports.install)

[MacPorts]

#29831: libglade2 build failure: /opt/local/lib/libpng12.la reference
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 Reporter:  tun.buynsell@…          |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  1.9.2                                
 Keywords:                          |        Port:  libglade2                            
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Comment(by jmr@…):

 I though we incremented the revision on everything referencing libpng12
 quite a while ago, so first you should check that you don't have any
 outdated ports and upgrade them if you do. Then clean libglade2 and try
 again.

 If it still doesn't work, then either we missed something, or you've been
 upgrading things in the wrong order by using -n or -R. Either way, run the
 attached script to see what is referring to the old libpng version.

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Ticket URL: <https://trac.macports.org/ticket/29831#comment:1>
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