[MacPorts] #55823: avidemux @2.6.20: some libraries installed with incorrect permissions, causes Trace/BPT trap abort on launching

[MacPorts]

#55823: avidemux @2.6.20: some libraries installed with incorrect permissions,
causes Trace/BPT trap abort on launching
-----------------------+-----------------
  Reporter:  kencu     |      Owner:
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  avidemux  |
-----------------------+-----------------

Comment (by mf2k):

 Very weird. I can confirm that it is the permissions issue. Your fix works
 but I think using xinstall in {{{post-destroot}}} is preferred:
 {{{
 xinstall -m 644 ${destroot}/${prefix}/lib/libADM6avcodec.57.dylib
 ...
 }}}

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Ticket URL: <https://trac.macports.org/ticket/55823#comment:1>
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