[Qt-creator] speed up Build process

[Thorbjørn Lindeijer]

ext Zine eddine Bendjaballah wrote:
> Can you tell me more about how to configure MAKEARGS environment, and 
> how it can make build process faster?

It's actually called MAKEFLAGS, and it's an environment variable you can 
set for make (at least gnu make). It contains additional parameters you 
want to pass to the make command. If you set it to '-j3', this will tell 
make to run up to three jobs at once.

Please note that this will only help you when your CPU has multiple 
cores (or when you have multiple CPUs, or when you use a build farm). If 
this is not the case, you can forget about it.

As André pointed out, it is hard to compare compile, link and run time 
of Qt/C++ applications against Delphi. It also doesn't really relate to 
Qt Creator, so I'll safe myself the attempt. :)

Note that we ship Qt Creator on Windows with MinGW, which isn't the 
fastest compiler in the world. If possible, you can try with Microsoft's 
compiler that comes with Visual Studio (I believe there is also a free 
version available). You'd need to download a Qt compiled with VS and 
configure Qt Creator to use that Qt version. I don't know how much 
faster it is though. Also note that debugging isn't supported yet for 
this compiler.

Regards,
Bjørn

-- 
Thorbjørn Lindeijer
Software Engineer
Nokia, Qt Software