[webkit-help] Building 64 bit version of WebKit on Windows

Luc R. wkdev911 at gmail.com
Tue Feb 21 09:53:35 PST 2012

Thank you Brent for replying.

I investigated win cairo support libaries, and it looks like there is
dependency on 32 bit objc.dll, which is not freely available in sources.
Thus, at the moment the whole project cannot be recompiled as 64 bit. Am I

On Mon, Feb 20, 2012 at 8:31 PM, Brent Fulgham <bfulgham at gmail.com> wrote:

> Hi Luc,
> On Feb 16, 2012, at 5:57 PM, wkdev911 wrote:
> > Have anyone managed to build a 64 bit Windows version of WebKit (in
> particular cairo port)? Could you give some advice on this?
> >
> > The goal is to allow webkit.dll to be used from a 64 bit application. As
> far as I understand the only way is to build it as 64 bit, because of
> address space differences.
> As I mentioned in my e-mail to you, I have not tried building WinCairo in
> 64-bit mode.
> Since WebKit and all of the support libraries used in the WinCairo port
> are already being built under 64-bit operating systems, I don't think there
> are any fundamental barriers to doing so.
> There may be parts of the WebKit Windows backend that are coded with
> 32-bit API calls, but this should be "a simple matter of programming" to
> identify and correct such instances.
> The only wildcard I can think of is the pthreads library. However, I don't
> think there is anything fundamentally preventing this from being built for
> 64-bit OS.
> I actually need to get this working in the medium term, so I'm excited to
> hear that someone else is looking into this.
> Thanks,
> -Brent

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