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Re: [PATCH] win64 support for libffi (2/2)


On Mon, May 18, 2009 at 11:36 AM, Andrew Haley <aph@redhat.com> wrote:
> Timothy Wall wrote:
>
>> On May 17, 2009, at 7:36 PM, Dave Korn wrote:
>>
>>> NightStrike wrote:
>>>> On Sun, May 17, 2009 at 5:53 PM, Timothy Wall
>>>> <twalljava@dev.java.net> wrote:
>>>>> This patch adds support for win64 builds under mingw64 for libffi.
>>>>> Diffs
>>>>> are against current libffi CVS (5/12/2009).
>>>
>>>>
>>>> Thank you for this!!!
>>>
>>> ?Bad news guys, there's a problem: GCC's in-tree libffi is way behind
>>> sourceware CVS HEAD, like at least an entire ABI version IIUC.
>
> The libffi ABI has changed? ?Are you sure?
>
>>> The patch doesn't come even close to applying cleanly to GCC, I'm afraid.
>>>
>>> ?It either needs backporting, or a whole new version of libffi needs
>>> importing and a whole lot of targets tested. ?You'd probably better
>>> discuss
>>> this with the java list, I think they're the owners of libffi in GCC.
>
>> Nominally, the libffi list gets the patches (I've cc'd there) and
>> Anthony Green promises to migrate stuff back and forth between
>> sourceware and gcc, but I've not heard a peep from Mr. Green.
>>
>> I will remove gcc-patches from future To: lists, and send to
>> java-patches instead.
>
> I've been trying to make sure gcc's libffi has stayed in step with
> upstream, so there should be no problem with an import.

Last time I checked the GCC copy of libffi looked more recent
and upstream missed a lot of patches.

Richard.

> Andrew.
>


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