Qt5 switching qreal from float to double on arm*

Pau Garcia i Quiles pgquiles at elpauer.org
Mon Nov 4 16:57:35 UTC 2013


Hello,

Simple question: what is the reason for the change?

Also, I seem to remember Thiago discussing about this on qt-interest but I
don't have time to search just now.



On Sat, Nov 2, 2013 at 7:29 PM, Lisandro Damián Nicanor Pérez <
perezmeyer at gmail.com> wrote:

> Hi! Starting from Qt 5.2.0 (most probably from rc1 and definitely not from
> beta1 currently in experimental) Qt5 will switch qreal from float to
> double on
> arm*.
>
> We have the option to keep some archs in float by passing a compilation
> parameter. I've done so for armel and sh4, so only armhf will switch to
> double.
>
> Of course we are still on time to discuss this, and this is the reason of
> this
> mail. What do you think WRT the above changes?
>
> On the other hand, if the above change is kept, symbols for Qt5 on armhf
> managed with pkg-kde-tools' symbolshelper will need an explicit double for
> armhf instead of using qreal's subst. This is because on Qt4 qreal will be
> kept as float.
>
> Any feedback will be kindly appreciated.
>
> Kinds regards, Lisandro.
>
> --
> Hi! I'm a .signature virus! Copy me into your ~/.signature, please!
>
> Lisandro Damián Nicanor Pérez Meyer
> http://perezmeyer.com.ar/
> http://perezmeyer.blogspot.com/
>
> --
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-kde-talk
>



-- 
Pau Garcia i Quiles
http://www.elpauer.org
(Due to my workload, I may need 10 days to answer)
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