On 26 July 2011 06:59, Eric Y. Kow <eric....@gmail.com> wrote:
> On Tue, Jul 26, 2011 at 00:28:01 +0100, Dave Tapley wrote:
> > I'm getting the impression that most people are using wxWidgets 2.9 with
> > wxHaskell, is that a fair assumption?
>
> I was surprised by your impression, but now I see why you may feel that
> way.
>
I think there's something of a mix. There are probably more wxWidgets 2.8
users out there, but most people don't install unless something has broken -
say a new HP version comes out. I started to look at support for 2.9 when
people started asking for 2.9 features. In particular, I believe that 2.9
can be compiled as a 64 bit library on newer Macs.
> It turns out wxWidgets 2.9 was released early this month, on 2011-07-05.
> This makes it a bit more urgent for wxhaskell to support both (good
> thing Jeremy was working so furiously on that)
>
Hmmm. Nice to hear you say it, but truth be told, I rarely have the time to
work 'furiously' on wxHaskell :-( Most work happens on intercontinental
flights (good news: I have another one coming up in a couple of weeks).
We have never had a good story for support of multiple versions, in part
because wxdirect doesn't support conditional compilation, which means that
we can't put #ifdefs around version/platform dependent parts of wxC headers.
In the past we've sort of fudged the issue by officially supporting only one
version, but I don't think that's a tenable position any longer.
Eric's Haskell version of wx-config will help the 'library' aspect -
especially if we start to use wxPack on Windows, so we can rely on having
the libraries built in a specific way. We will need to make it work for 2.9
and 2.8 though - I think these will need to coexist for a while yet. I
looked at fixing the existing wx-config source for 2.9 (ISTR it's in C++),
but looking at the code I lost the will to live. It's rather, err, verbose.
Haskell would be much better.
I did sort-of warn the list that 2.9 work would likely destabilize the tip
for a while. Perhaps we should do this work in a branch (I've never tried
this in Darcs - how easy is it Eric?)
Jeremy
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