[GHC] #9101: Need option to use system gcc and binutils on Windows/msys2

[GHC]

#9101: Need option to use system gcc and binutils on Windows/msys2
-------------------------------------+-------------------------------------
        Reporter:  cchantep          |                   Owner:  gintas
            Type:  feature request   |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Build System      |                 Version:  7.8.2
      Resolution:  wontfix           |                Keywords:
Operating System:  Windows           |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:  #9218             |                Blocking:
                                     |  Differential Revisions:
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Changes (by thomie):

 * status:  new => closed
 * resolution:   => wontfix


Comment:

 > Trying to build GHC 7.8.2 from sources on Windows 7, from msys2 shell,
 required binaries such as gcc, ld, ar are forced to those in inplace
 directories (windows-extra)

 I understand this is by design. Quoting Simon in this
 [https://mail.haskell.org/pipermail/ghc-devs/2014-June/005174.html email]
 to ghc-devs:

     "We physically include very selective chunks of MinGW in a GHC Windows
 distribution
 - so that users don't need to install MinGW
 - so that GHC doesn't break just because a user has
   a different version of MinGW than we expected
   We keep these chunks of MinGW in the GHC repo (in ghc-tarballs)
 precisely so that we know exactly which bits to ship.

    The intention is that the MinGW bits shipped with GHC are essentially
 invisible to the user. They just see a ghc.exe, which just happens
 internally to call some Mingw binaries."

 But the version of MinGW shipped with GHC at the moment is indeed out of
 date. Please subscribe to #9218 for updates.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9101#comment:4>
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