Windows build broken

Simon Peyton Jones simonpj at
Wed Feb 22 14:36:53 UTC 2017

well HEAD is broken, so surely it should go either forward or backward.  But the status quo is not good.

My instinct: push the new submodule.  But I defer to Ben etc


From: Phyx [mailto:lonetiger at]
Sent: 22 February 2017 14:14
To: Simon Peyton Jones <simonpj at>; ghc-devs at
Cc: Ashley Yakeley <ashley at>
Subject: Re: Windows build broken

The package has been fixed already but the submodule hasn't been updated. For a quick fix just cd into libraries/time and checkout master.

I was hesitant to push the new submodule since we hadn't branched yet for 8.2

On Wed, 22 Feb 2017, 14:09 Simon Peyton Jones via ghc-devs, <ghc-devs at<mailto:ghc-devs at>> wrote:
Please please please could some one fix this?  On windows.
It’s frustrating being unable to build.

libraries\time\lib\Data\Time\Clock\Internal\SystemTime.hs:57:5: error:

    Not in scope: data constructor    FILETIME

    Perhaps you meant    Win32.FILETIME    (imported from System.Win32.Time)


57 |     FILETIME ft <- Win32.getSystemTimeAsFileTime

   |     ^^^^^^^^
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