[MacPorts] #43195: cmake guru required so I can finish x265 Portfile

[MacPorts]

#43195: cmake guru required so I can finish x265 Portfile
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  Reporter:  david@…  |      Owner:  macports-tickets@…
      Type:  request  |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.2.1
Resolution:           |   Keywords:
      Port:           |
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Comment (by david@…):

 Hum... This approach works for programs like ffmpeg that link the library,
 after the library is built.

 Problem is the x265 program fails, because the shared object file has no
 rpath at build time, so running install_name_tool at the end of the build
 still leaves an unusable x265 CLI program.

 So a better solution is required.

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Ticket URL: <https://trac.macports.org/ticket/43195#comment:3>
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