[MacPorts] #28385: graphics/libpng upgrade version to 1.5.1

[MacPorts]

#28385: graphics/libpng upgrade version to 1.5.1
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 Reporter:  rmstonecipher@…             |       Owner:  rmstonecipher@…           
     Type:  update                      |      Status:  new                       
 Priority:  Normal                      |   Milestone:                            
Component:  ports                       |     Version:  1.9.2                     
 Keywords:                              |        Port:  libpng                    
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Description changed by rmstonecipher@…:

Old description:

> libpng 1.5.1 has been released.[[br]]
> Attached is a list of other ports which currently link against
> libpng14.dylib and will need their revisions incremented to link against
> libpng15.dylib.[[br]]
> If other ports not in the list fit this description, please list them in
> this ticket.[[br]]
> In roughly one week I will commit the update to libpng as well as
> revision bumps to all ports in the attached list any any others listed in
> replies to this ticket.[[br]][[br]]
> Cheers,[[br]]
> Ryan Stonecipher

New description:

 libpng 1.5.1 has been released.[[br]]
 Attached is a list of other ports which currently link against
 libpng14.dylib and will need their revisions incremented to link against
 libpng15.dylib.[[br]]
 If other ports not in the list fit this description, please list them in
 this ticket.[[br]]
 Because libpng 1.5 is very different from libpng 1.4 and 1.2, it will be
 necessary to test ports against libpng 1.5 rather than just incrementing
 revisions and assuming they will work.[[br]]
 Once we are sure most ports work with libpng 1.5 I will commit the update
 to libpng as well as revision bumps to all ports in the attached list and
 any others listed in replies to this ticket.[[br]]
 For now, let's set a target date of 1 year from the release of libpng
 1.5.1: 2012-02-03[[br]][[br]]
 Cheers,[[br]]
 Ryan Stonecipher

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Ticket URL: <https://trac.macports.org/ticket/28385#comment:5>
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