[GHC] #11470: Support changing cross compiler target at runtime

[GHC]

#11470: Support changing cross compiler target at runtime
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        Reporter:  ezyang            |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11378            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ericson2314):

 @angerman there's not a different ticket you've been exploring `-target`
 under is there?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11470#comment:11>
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