FW: GHC on Windows 10 15019+

[Simon Peyton Jones]

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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