[GHC] #10726: Upgrade MingW-w64 distributions for windows

[GHC]

#10726: Upgrade MingW-w64 distributions for windows
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        Reporter:  Phyx-             |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  7.10.3
       Component:  Build System      |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9218 #9014       |  Differential Rev(s):  Phab:D1123
  #10435                             |
       Wiki Page:                    |
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Comment (by Elieux):

 Wouldn't this help? I'm sorry if it's not relevant, but it's one of the
 changes I did when I was testing GHC with MSYS2 mingw-w64 toolchains.

 {{{
 diff --git a/rts/package.conf.in b/rts/package.conf.in
 index 5c6d240..db1d281 100644
 --- a/rts/package.conf.in
 +++ b/rts/package.conf.in
 @@ -57,9 +57,7 @@ unresolved symbols. */
                                ,"bfd", "iberty"  /* for debugging */
  #endif
  #ifdef HAVE_LIBMINGWEX
 -# ifndef INSTALLING                             /* Bundled Mingw is
 behind */
                                ,"mingwex"
 -# endif
  #endif
  #ifdef USE_LIBDW
                               , "elf"
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10726#comment:41>
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