[Development] What's the status of a moved-from object?

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Mon May 20 23:40:16 CEST 2019

Il 20/05/19 22:58, Konstantin Shegunov ha scritto:
> I agree as well, although I have a minor nitpick. Q_ASSERT works only if 
> it was not stripped while building Qt. Meaning that I'm often working, 
> as I'm sure other users, on Linux especially, with the default (i.e. 
> release) version of Qt from the repo. Granted it may be my own fault, 
> but in this case the assert isn't tripped and this code simply segfaults 
> for reasons that aren't so obvious. Any suggestions how to mitigate 
> that? Somehow *suggest* to the user that [s]he's supposed to build in 
> debug mode otherwise they're on their own?

There is a long standing open feature request against Qt for having 
debug+release builds working on Linux.

TL;DR: we could come up with a Qt-specific solution, not a general 
purpose one (that would require agreement at the FHS level, 
distributions, and some ld.so mechanism à la OSX; in other words, 10 
years). No one wants to get their hands dirty in qmake code though, 
especially given it's dying; maybe something to consider during the 
CMake port.


My 2 c,
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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