[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:  thoughtpolice
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.4.2
             Component:  Build       |         Keywords:
  System                             |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by thomie):

 * type:  bug => feature request


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7152#comment:6>
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