qreal change in Qt 5.2

[Dmitrijs Ledkovs]

On 4 December 2013 13:52, Dmitry Shachnev <mitya57 at ubuntu.com> wrote:
> Hi,
>
> qreal is a Qt typedef that used to be defined as float on ARM and
> double on all other platforms.
>
> However, since Qt 5.2 release candidate 1, qreal is double everywhere
> (in Debian we are considering to keep it double on armel, but that
> isn’t relevant to Ubuntu). Please be prepared to update your packages
> if they rely on the old behaviour.
>
> We will probably need to do a transition (i.e. rebuild everything
> that has armhf binaries), however the problem is that upstream did
> not bump the SONAME of Qt libraries, so we are considering doing the
> bump as a Debian/Ubuntu-specific change.
>
> Feel free to express your opinion about (not) bumping the SONAME at
> http://bugs.debian.org/731261 (that bug also contains links to
> previous discussions on this subject).
>

This has been discussed at the last vUDS:

http://summit.ubuntu.com/uds-1311/meeting/21986/core-1311-qt5-versions-in-ubuntu/
https://blueprints.launchpad.net/ubuntu/+spec/core-1311-qt5-versions-in-ubuntu

And it's agreed that we do want to take up the transition.

Regards,

Dmitrijs.