[Qt-creator] OT: long build time

Tim Sander tim at krieglstein.org
Fri Sep 26 08:18:53 CEST 2014

Hi Duane

Am Donnerstag, 25. September 2014, 08:37:01 schrieb Duane:
> Qt 4.8.4.  Creator 3.2.1  Everything is 32 bit.
> I have a couple of projects that are built on Windows (MSVC8 with Qt
> integration), Fedora 16 and Fedora 20.  The two Linux boxes are in
> virtual machines using Oracle Virtual Box.  The build time for a full
> rebuild on Windows is 3 minutes.  The build time for both Linux boxes is
> 15 minutes.
> This is probably off topic since it could be due to the VM but I'm
> looking for any suggestions from people that have dealt with something
> similar.  This seems to be the case for GUI projects.  Projects that I
> have that use only qtcore don't seem to have this issue.
> Any suggestions for optimizing Creator or the VM?  I have the VMs
> configured to use both of my cores and half the 4G or ram.
Where are the projects located? If they are in a virtual filesystem from the 
mirrored from host i have seen problems with the timestamps, which are bad for 
make based builds. Also timestamp lookups i think very slow on this niche 
operating system.

Best regards

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