[MacPorts] #32564: Provide port for libpng is too old for Lion and causes conflicts because of confusion with headers of 1.5.4 distributed with the Lion SDK

[MacPorts]

#32564: Provide port for libpng is too old for Lion and causes conflicts because of
confusion with headers of 1.5.4 distributed with the Lion SDK
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  Reporter:  nelson.ferreira@…         |       Owner:  macports-tickets@…                   
      Type:  update                    |      Status:  closed                               
  Priority:  Normal                    |   Milestone:                                       
 Component:  ports                     |     Version:  2.0.3                                
Resolution:  duplicate                 |    Keywords:                                       
      Port:  libpng                    |  
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Changes (by ryandesign@…):

  * status:  new => closed
  * resolution:  => duplicate
  * type:  enhancement => update
  * port:  => libpng


Comment:

 Within MacPorts ports, we don't want to ever use anything in /usr/X11 so
 any port doing so needs to be fixed.

 If you're building software outside of MacPorts, then it would be up to
 you (or up to the developers of the software in question) to ensure the
 software either uses each particular MacPorts dependency completely, or
 doesn't use it at all, not some mix of the two as you seem to be
 experiencing.

 The request to upgrade libpng to 1.5.x is #28385. It explains why we've
 been waiting awhile before updating to this version.

-- 
Ticket URL: <https://trac.macports.org/ticket/32564#comment:1>
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