[GHC] #8880: Configured gcc not used for some build steps

[GHC]

#8880: Configured gcc not used for some build steps
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              Reporter:  tibbe       |            Owner:
                  Type:  bug         |           Status:  closed
              Priority:  normal      |        Milestone:
             Component:  Build       |          Version:  7.9
  System                             |         Keywords:
            Resolution:  duplicate   |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by rwbarton):

 While it's somewhat off-topic, I'm confused because my "Debian clang
 version 3.4.2-4 (tags/RELEASE_34/dot2-final) (based on LLVM 3.4.2)" does
 know about `#pragma GCC visibility`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8880#comment:3>
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