Hi Max,
Sorry I couldn't explain myself better.
PITA = Pain in the A**. Basically.
Yes, you can compile Qt under Windows in 64 bits but, prior to Qt 5.1
you'll not be able to use JavaScriptCore in 64 bit mode. HTML, CSS, yes.
JS? No. That's why I basically ported my apps to 5.1 :) Even Chrome's V8
isn't 64 bits under Windows. There's no point for developers to use 64
bit JavaScript since, I don't know why, benchmarks are slower then 64
bits. I guess that's promoted by the Infinite Improbability Drive.
In the qt-project downloads area, if you download Qt 5.1 in zip and
tar.gz formats and apply a diff, you'll see there's something there.
That allow us to compile Qt 5.1 under Windows with MSVC 2008 :) The ZIP
package, of course, without too much pain.
The ICU is a library which WebKit from the Qt source requires to build.
I don't know if it is necessary under Qt 4.8.
As you described:
> - A QtWebkit library with WebGL support
Sorry, can't help with that.
> - Compatible with maximum Qt 4.8, so under 5, because of Q3-classes
compatibility
Ok, stick to Qt 4.8.
- Both Qt and QtWebkit should be in 32 Bit, because we still using some
external 32Bit libs
Then you're safe from the "64 bit JavaScript dilemma".
- And all build with MSVC 2008
Already possible.
I guess your problem is just with WebGL :)
But, about this, I can't assume what's your error. Did you managed to
succeed in other Windows versions, like 7?
A quick look into the sources of Qt 4.8.4 and Qt 5.1 shows that WebGL
depends on the WTF library. This library, in Qt 4.8, is located inside
JavaScriptCore and, in Qt 5.1, it lives alongside WebKit, WebKit2 and
JavaScriptCore. I think someone can help you better with this, or ask
for help in Qt forums.
Best regards,
Richard.
On 08/09/2013 12:11 PM, Maxim Schäfner wrote:
Hi,
the problem is, that we are able to build Qt 4.8.4 without problems
with MSVC2008
on WindowsXP. What do you mean that there is no Javascript support in
64 Bit until
Qt 5.1 and why then are builds in 32 and 64 Bit possible?
And yes, for Qt there was an ZIP and TAR archive of the sources
available for
download (from qt-project page). The Qt we built was from the TAR
archive, but there were no problems
on this building.
For QtWebkit there was only a source TAR archive available which was
an snapshot
from a source git repository, which should be able to enable WebGL on
it, as described
on this site:
http://blogs.kde.org/2013/03/15/qtwebkit-230-out
and the source (linked on that site, too) was:
https://gitorious.org/webkit/qtwebkit-23/trees/HEAD
. So there was no ZIP archive available.
And what with this 'compile ICU', do you mean in Webkit or Qt build?
Additionally what do you mean with 'PITA' do meant 'PITY' maybe, than
it make sense to us :)
Basically what we want is:
- A QtWebkit library with WebGL support
- Compatible with maximum Qt 4.8, so under 5, because of
Q3-classes compatibility
- Both Qt and QtWebkit should be in 32 Bit, because we still using
some external 32Bit libs
- And all build with MSVC 2008
So, no needed 64 Bit support.
What we have is build the Qt4.8.4 with MSVC 2008 already in 32bit.
And now we are at the process at building the Webkit sources (2.3)
with MSCV 2008
in 32 bit, but we are running into compile errors at this step.
Thanks.
Best regards,
Max
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