Building ghc on Windows with msys2

Gintautas Miliauskas gintautas at
Mon Oct 13 20:40:17 UTC 2014

I've updated the configure script to download the mingw distribution on the
fly (D339 <>, #9218
<>). I could use some help with
a few things:

1. Validating the update to gcc 4.8.3. I tried to run the tests and got
some failures, but I am not sure if they indicate problems with gcc or it's
just noise.

2. Some general testing of the updated configure script.

3. Testing the build process on a 32-bit platform.

4. Setup of a local mirror of the distribution files on

On Mon, Oct 13, 2014 at 11:34 AM, Herbert Valerio Riedel <hvriedel at
> wrote:

> On 2014-10-13 at 10:57:10 +0200, Simon Peyton Jones wrote:
> > I think the potential difficulty is (1).  Maybe they take it down (e.g.
> they move on to version X so they take down old version Y).
> >
> > An alternative would be to stash a copy somewhere on GHC’s main web
> > server, and wget that.  I’d be more comfortable doing that; less
> > dependence on others.
> I guess storing a copy somewhere on should be
> ok (I'm hoping Austin may weigh in wrt CDN-related considerations). I'd
> suggest using it as a fallback location though. I.e. try downloading
> from the official upstream location, and if that fails (either due to
> I/O errors and/or unexpected checksum), fallback to using our locally
> mirrored copy. However, we may need to take into account license issues,
> such as hosting the source-code as well, if we host binary distributions
> depending on the licenses involved (I'm not sure if this was ever
> considered for ghc-tarballs.git to begin with)
> Cheers,
>   hvr

Gintautas Miliauskas
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