[PyQt] Compiling PyQt5 on a Raspberry Pi

[Phil Thompson]

On Wed, 07 Aug 2013 09:10:14 -0400, Scott Kitterman <debian at kitterman.com>
wrote:
> On Wednesday, August 07, 2013 12:14:05 Phil Thompson wrote:
>> On Mon, 5 Aug 2013 23:24:18 +0400, Dmitry Shachnev <mitya57 at ubuntu.com>
>> 
>> wrote:
>> > On Mon, Aug 5, 2013 at 8:24 PM, Dmitry Shachnev <mitya57 at ubuntu.com>
>> 
>> wrote:
>> >> This is not specific to Raspbian, but happens on all systems
>> >> where qreal == float (i.e. all ARM systems). This particular
>> >> 
>> >> issue happens because in qbrush.sip we have:
>> >>   typedef QVector<QPair<double, QColor>> QGradientStops;
>> >> 
>> >> while in Qt 5.1 qreal is used instead of double:
>> >>   typedef QPair<qreal, QColor> QGradientStop;
>> >>   typedef QVector<QGradientStop> QGradientStops;
>> >> 
>> >> However, this is not the only issue that makes the build fail.
>> >> In Debian, we have a patch that fixes more issues. We haven't
>> >> yet finished updating it for PyQt5, so it doesn't fully solve
>> >> the problem (any help in finalizing it is appreciated). I have
>> >> attached the current version of that patch.
>> 
>> As of tonight's snapshot I don't think any of that patch is needed.
> 
> Great.  We have almost the exact same patch for PyQt4 on arm (Fedora
uses
> it 
> as well).  Would you please have a look at that as well (I can send the
> exact 
> patch if you need it).  Once the snapshot is up, I'll build it and see
> (Dmitry 
> and I have been working together on this).

We'll see after PyQt5.

>> > I will add that the remaining issue is:
http://paste.debian.net/22474/
>> > 
>> > The generated sipQtWebKitWidgetspart8.cpp has this line:
>> > 
>> > typedef void (*sipVH_QtWidgets_116)(sip_gilstate_t,
>> > sipVirtErrorHandlerFunc, sipSimpleWrapper *, PyObject *, double
>> > *,double *,double *,double *);
>> 
>> Event when compiling for ARM?
>> 
>> > I guess this is a bug in sip, there should be qreal's there (as
>> > defined in qgraphicswidget.sip).
>> 
>> They should be either doubles or floats depending on how qreal is
>> defined.
>> If they are doubles on ARM then it is a bug.
> 
> The sipQtWebKitWidgetspart8.cpp was generated on arm (armhf
specifically).

It shouldn't be a problem with tonight's snapshot.

Phil