GHC on Win x64

Simon Marlow marlowsd at
Mon Dec 7 04:11:17 EST 2009

On 03/12/2009 17:09, Zachary Turner wrote:
> I've been out of the loop for quite some time.  Has there been any
> progress on the ability to build a native x64 version of GHC for
> windows?   the supported platforms page on the web does not even list
> this as a Tier 1, 2, or 3 platform and last time I tried this (quite a
> while ago, admittedly) I could not get it to work.

No progress at all so far.  According to the ticket there is a working 
mingw port now:

There is apparently support for Win64 in libffi (not sure if this patch 
has been merged or not):

So the main remaining difficulty would be implementing the Win64 C call 
ABI in the native code generator.


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