[MacPorts] #48517: ifeffit - checksum org.macports.checksum for port ifeffit returned: Unable to verify file checksums

[MacPorts]

#48517: ifeffit - checksum org.macports.checksum for port ifeffit returned: Unable
to verify file checksums
--------------------------------+--------------------------
  Reporter:  laestudillowong@…  |      Owner:  joe.fowler@…
      Type:  defect             |     Status:  closed
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.3.3
Resolution:  fixed              |   Keywords:  haspatch
      Port:  ifeffit            |
--------------------------------+--------------------------

Comment (by ryandesign@…):

 The rationale for changing `-lpng16` to `-lpng` is compatibility with
 future versions of libpng. When, at some point in the future, libpng 1.7
 or later is released, its library will, if the previous pattern holds, be
 named libpng17.dylib, and `-lpng16` will no longer work, whereas `-lpng`
 works today and will continue to work in the future (because libpng also
 provides a libpng.dylib symlink pointing to whatever the current library
 name is). Most other projects handle their libraries in a similar way.

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Ticket URL: <https://trac.macports.org/ticket/48517#comment:7>
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