[MacPorts] #35407: unison fails with "Fatal error: Internal error: New archives are not identical"

[MacPorts]

#35407: unison fails with "Fatal error: Internal error: New archives are not
identical"
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 Reporter:  dcecchin@…          |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.1.2                                
 Keywords:                      |        Port:  unison                               
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Comment(by dcecchin@…):

 It seems to be a problem since I reinstalled with mountain lion. It used
 to work just fine before that, and the official binaries work fine (I've
 temporarily switched over to them). It is possible it is caused by
 building against OCaml 4.0.0 maybe. I've tested this a number of times now
 deleting my ~/Library/Application\ Support/Unison/ and ~/.unison directory
 on the server.

 I suspect this break in functionality has something to do with that.

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Ticket URL: <https://trac.macports.org/ticket/35407#comment:2>
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