Bug#784514: [qgis] Qt4's WebKit removal

[Sebastiaan Couwenberg]

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On 05/08/2015 11:47 PM, Lisandro Damián Nicanor Pérez Meyer wrote:
> On Friday 08 May 2015 23:11:14 Sebastiaan Couwenberg wrote: [snip]
>> There should be Qt5 support in QGIS already, but it's not very
>> well tested.
>> 
>> In Debian there are at least two missing dependencies before the
>> qgis package can be switched to Qt5: python-qscintilla2 from the
>> qscintilla2 source package, and libqwt-dev from the qwt source
>> package.
>> 
>> qwt is currently at version 6.0.0, which is not intended for Qt5 
>> according to upstream, for Qt5 Qwt >= 6.1 should be used. There
>> is a bugreport requesting an update to Qwt 6.1 from 2013:
>> 
>> https://bugs.debian.org/733153
> 
> I might take a look at this one. I'll see if I can ping fabo.

I now remember that Ubuntu has qwt 6.1.1 already:

https://launchpad.net/ubuntu/+source/qwt

They had to patch QGIS in vivid to not FTBFS with it:

https://bugs.launchpad.net/ubuntu/+source/qgis/+bug/1423906

QGIS 2.8 in unstable already includes these changes.

>> It looks like qscintilla2 only provides Python 3 bindings for
>> Qt5, there doesn't seem to be a Qt5 equivalent for
>> python-qscintilla2. So we may need to switch QGIS to Python 3
>> too.
> 
> Right, take a look at [python3]. Most package maintainers are
> preferring not to release "new" binaries in python2 due to this
> effort.

I thought about the general push towards Python 3 too, it's a worthy
effort but also another big switch in QGIS that no one has much
experience with. Not something we can accomplish in the short term.

>> I'll start experimenting with the Qt5 support in QGIS, but I'm
>> afraid it's going to take some time before we can make the
>> switch.
> 
> We did our best to start as early as possible in order to avoid
> rushing :)
> 
> [python3]
> <https://lists.debian.org/debian-devel-announce/2015/04/msg00005.html>
>
>  Thanks bas!

Thanks for the early notice and assistance.

Kind Regards,

Bas

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