[MacPorts] #25558: ghc: update to latest version

[MacPorts]

#25558: ghc: update to latest version
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 Reporter:  jwiegley@…          |       Owner:  gwright@…           
     Type:  update              |      Status:  assigned            
 Priority:  Normal              |   Milestone:                      
Component:  ports               |     Version:                      
 Keywords:                      |        Port:  ghc ghc-devel       
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Comment(by cal@…):

 Replying to [comment:24 kitchen.andy@…]:
 > Also, What's the best way to encode this fact in a portfile?

 Probably just add a comment in proximity to the version.

 Replying to [comment:25 kitchen.andy@…]:
 > Warning: Error parsing file /opt/local/share/ghc-
 bootstrap/lib/ghc-7.0.4/HSffi.o: Premature end of data, possibly corrupt
 file

 You can safely ignore this for now. For some reason file(1) recognizes
 some files as Mach-O binaries that in fact are not. I have yet to debug
 and fix this, but it's (or should be) non-critical.

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Ticket URL: <https://trac.macports.org/ticket/25558#comment:26>
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