[GHC] #7152: Add flag to configure that skips overwriting of symlinks on install

[GHC]

#7152: Add flag to configure that skips overwriting of symlinks on install
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        Reporter:  tibbe             |                   Owner:
            Type:  feature request   |  thoughtpolice
        Priority:  normal            |                  Status:  new
       Component:  Build System      |               Milestone:  7.12.1
      Resolution:                    |                 Version:  7.4.2
Operating System:  Unknown/Multiple  |                Keywords:
 Type of failure:  None/Unknown      |            Architecture:
      Blocked By:                    |  Unknown/Multiple
 Related Tickets:                    |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
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Changes (by rwbarton):

 * cc: rwbarton (added)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7152#comment:8>
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