MSYS2 update (those who build on Windows please read)

Phyx lonetiger at
Fri Feb 24 19:41:49 UTC 2017

Hi all,

MSYS2 maintainers have agreed that the change by Cygwin constitudes a
regression for the MSYS2 project and patched out the changes.

It's now safe to upgrade MSYS2 again.


On Mon, Feb 20, 2017 at 3:58 PM, Phyx <lonetiger at> wrote:

> Hi Windows devs,
> February comes with a major change in behavior for MSYS2/Cygwin.
> Tools such as awk/sed etc now use binary mode unless on a text mount:
> This is problematic because GHC etc only use the underlying OS to
> determine
> how to output line endings. As such we output \r\n but in sed et al $ will
> no longer match line endings. Which means out scripts are currently broken.
> Do not upgrade your MSYS2 install until a workaround for this is in place
> or you will be unable to compile GHC.
> If you have updated your MSYS2 then using a text mount may be the easiest
> option to get a working build again. As it seems just downgrading the tools
> alone is not enough.
> Thanks,
> Tamar
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