[Interest] spurious breakpoints in Qt Creator

John Weeks john at wavemetrics.com
Mon May 16 18:48:39 CEST 2022


I haven't done any Qt development for Linux, but I know on other platforms it's possible to set a preference to break on exceptions, or module loads and unloads, and other such events. Somewhere I believe you can request a break when main() is entered, too.

> On May 15, 2022, at 12:44 PM, Matej Košík <qt at matej-kosik.net> wrote:
> 
> Hi,
> 
> While using Qt Creator, I noticed that it generates "spurious breakpoints".
> 
> How to reproduce:
> - I start Qt Creator
> - I generate a new project
>  (Qt Widgets Application with QMainWindow as a base class)
> - from the menu I choose
>  - Debug
>    - Start Debugging
>      - Start debugging of startup project
> 
> then the debugged project first stops in "gtk3/main.cpp" and then stops
> in other places.
> 
> When I let the program continue, it then stops again in the file
> "ico/main.cpp".
> 
> When I let the program continue, it then stops again in the file
> "pdf/main.cpp".
> 
> I guess that I am doing something wrong, but I am unable to figure out
> what. Any help is welcome. I would like the program to stop only in
> breakpoints defined by me.
> 
> I am using:
> - Linux (version 5.10.0-14-amd64)
> - GNOME (version 3.38.5)
> - Qt Creator (4.14.1)
> - Qt (version 6.3 compiled from source)
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-John Weeks



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