[Development] Qt on FreeRTOS

Thiago Macieira thiago.macieira at intel.com
Tue May 22 21:44:39 CEST 2012

On terça-feira, 22 de maio de 2012 20.52.47, Peter Kümmel wrote:
> Does anybody know if it is possible to use Qt (at lease QtCore)
> on FreeRTOS, http://www.freertos.org/
> Qt runs on QNX, but does this mean it would also run on FreeRTOS?
> Or is QNX a completely different game?

Hi Peter

I don't see any indication that FreeRTOS and QNX are in any way related, 
except that they are real-time operating systems. Note that Qt supports or 
supported at one time VxWorks and Integrity too, which are also RTOS.

Qt usually requires a POSIX.1-2001 layer to run, but it's also been known to 
be depopulated to run on even on "who needs a filesystem" systems[*]. So I see 
no reason why it couldn't run on FreeRTOS, provided that the necessary 
adaptations are done.

[*] So QT_NO_FILESYSTEM seen in [1] is actually an option that was used for 
real once. It was a #define, not an environment variable though.

[1] http://labs.qt.nokia.com/2011/04/01/qt-hidden-gems/

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
     Intel Sweden AB - Registration Number: 556189-6027
     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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