Qt4 gui performance

[Andreas Hartmetz]

On Friday 29 June 2007 17:56:29 Tobias Koenig wrote:
> Hi,
>
> I just wanted to ask whether somebody else have the same feeling that
> Qt4 applications are recognizable slower in painting windows and widgets
> than Qt3 applications.
>
You can enable optimization in debug builds by editing the file 
qt-copy/mkspecs/common/g++.conf:
change 
QMAKE_CFLAGS_DEBUG     += -g
to
QMAKE_CFLAGS_DEBUG     += -g -O2

You'll probably lose line-by-line debugability due to optimization, but that 
should be OK if you are not interested in major Qt bugfixing.

Cheers,
Andreas
-- 
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