Re: FW: GHC on Windows 10 15019+

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@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@haskell.org] On Behalf Of J. Garrett Morris Sent: 09 March 2017 17:54 To: GHC users 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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