Windows

[Shao, Cheng]

Hi Simon,

If the build environment is managed by an MSYS2 installation, then the
MinGW64 shell startup script automatically sets up "MSYSTEM" for you. It
can be launched like "C:\msys64\msys2_shell.cmd -mingw64 -mintty".

On Mon, Mar 26, 2018 at 5:46 PM, Simon Peyton Jones via ghc-devs <
ghc-devs at haskell.org> wrote:

> Making it part of the error message would be v helpful.
>
> I have added a section to "Troubleshooting" on
> https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows
>
> But it should really be part of the instructions higher up to sa
>         export MSYSTEM=MINGW64
>
> Might someone do that?  I wasn't quite sure where
>
> Simon
>
> |  -----Original Message-----
> |  From: ghc-devs <ghc-devs-bounces at haskell.org> On Behalf Of Ben Gamari
> |  Sent: 24 March 2018 16:42
> |  To: Gabor Greif <ggreif at gmail.com>; lonetiger at gmail.com
> |  Cc: ghc-devs at haskell.org
> |  Subject: Re: Windows
> |
> |  Gabor Greif <ggreif at gmail.com> writes:
> |
> |  > Just an idea...
> |  >
> |  > could this hint be part of the `configure` error message?
> |  >
> |  Indeed. See D4526.
> |
> |  Cheers,
> |
> |  - Ben
>
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