[GHC] #9620: libffi.a is put in the wrong folder

[GHC]

#9620: libffi.a is put in the wrong folder
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              Reporter:  rezb1t      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Build       |          Version:  7.9
  System                             |         Keywords:  libffi lib64
            Resolution:              |  nixos
      Operating System:  Linux       |     Architecture:  Unknown/Multiple
       Type of failure:  Building    |       Difficulty:  Unknown
  GHC failed                         |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
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Comment (by rezb1t):

 Added requested logs, I checked autoconf and automake and they don't
 appear to have patches applied. There could be some other difference
 happening because of NixOS, though.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9620#comment:2>
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