Qt5 switching qreal from float to double on arm*

Steven Chamberlain steven at pyro.eu.org
Sat Nov 9 20:33:02 UTC 2013

On Saturday 02 November 2013 15:29:05 Lisandro Damián Nicanor Pérez
Meyer 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*.


I just came across an example of this so I thought I would mention it
here;  FTBFS on armel/armhf which may be stalling the boost1.54 transition:

> /build/buildd-mcrl2_201210.1-1-armel-Kvmlhc/mcrl2-201210.1/tools/diagraphica/diagrameditor.cpp:528:51: error: no matching function for call to 'qMin(double&, qreal)'
> /build/buildd-mcrl2_201210.1-1-armel-Kvmlhc/mcrl2-201210.1/tools/diagraphica/diagrameditor.cpp:528:51: note: candidate is:
> /usr/include/qt4/QtCore/qglobal.h:1196:34: note: template<class T> const T& qMin(const T&, const T&)

Steven Chamberlain
steven at pyro.eu.org

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