[MacPorts] #59554: rbmake: error: incomplete definition of type 'struct png_struct_def'

[MacPorts]

#59554: rbmake: error: incomplete definition of type 'struct png_struct_def'
-------------------------+------------------------
  Reporter:  ryandesign  |      Owner:  ryandesign
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.2
Resolution:  fixed       |   Keywords:
      Port:  rbmake      |
-------------------------+------------------------
Changes (by ryandesign):

 * owner:  (none) => ryandesign
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"e8c2fe6ce2001f6b6f0bd7f57232ca86c17cb859/macports-ports"
 e8c2fe6ce2001f6b6f0bd7f57232ca86c17cb859/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="e8c2fe6ce2001f6b6f0bd7f57232ca86c17cb859"
 rbmake: Fix build failures

 Fix incompatibility with libpng 1.5 and later (use of the now-private
 jmpbuf field).

 Closes: https://trac.macports.org/ticket/59554

 Fix incompatibility with Xcode 12 and later (implicit declaration of
 functions).
 }}}

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Ticket URL: <https://trac.macports.org/ticket/59554#comment:1>
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