FW: GHC on Windows 10 15019+

[Phyx]

Hi Simon,

No it doesn't ring a bell to me, though I don't generally use the insider
builds. I think 0xc0000142 is a compatibility error, but what is not clear
to me is if he replaced realgcc which is a stub we make or just updated
things in the mingw folder. So I can't really tell if the error is coming
from our driver or gcc itself.

I'll have to install the build in a VM to try. Also as it stands 8.2 will
ship with an updated mingw-w64 tool chain already. It will be at 6.2.0-2 vs
very latest which is 6.3.0-3.

I'll see if I can reproduce and open a ticket accordingly.

Kind regards,
Tamar

On Fri, 10 Mar 2017, 13:15 Simon Peyton Jones via ghc-devs, <
ghc-devs at haskell.org> wrote:

> Phyx and friends: does this ring a bell?  Do we have a ticket?
>
> -----Original Message-----
> From: Glasgow-haskell-users [mailto:
> glasgow-haskell-users-bounces at haskell.org] On Behalf Of J. Garrett Morris
> Sent: 09 March 2017 17:54
> To: GHC users <glasgow-haskell-users at haskell.org>
> Subject: GHC on Windows 10 15019+
>
> Hi y'all,
>
> I've recently run into a problem using released version of GHC on Windows
> 10, builds 15019 and later.  The problem seems to be an incompatibility
> with Mingw64---builds fail calling realgcc.exe with vaguely
> incomprehensible error messages (Program failed to start with error
> 0xc0000142).
>
> Replacing the packaged version of Mingw64 with a more recent build (from
> Msys2, say) restores functioning, but no longer works if there are spaces
> in the path to GHC.
>
> I've observed this on three different machines, so I don't think it's just
> a configuration oddity.  Has anyone else encountered similar problems, or
> can anyone else verify?  If so, it might be worth repackaging at least the
> latest released version with a more recent Mingw64.
>
>  /g
>
> --
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>  -- Seneca
>
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