[Interest] How to remove some features from QtWebKit.

[Allan Sandfeld Jensen]

On Tuesday 28 April 2015, Kim Min-chul wrote:
> Hi
> 
> I would like to get some advices or suggestions for removing some features
> from qtwebkit.
> 
> I am using qtwebkit(qt 5.2.1). I think that it spends too much memory.
> The reason is why I want to remove some features like Video and Audio.
> Of course it will be good for removing other features in order to let down
> memory and other resources.
> 
> I found features.pri file
> (qt-everywhere-opensource-src-5.2.1/qtwebkit/Tools/qmake/mkspecs).
> and I guessed that FEATURE_DEFAULTS enabled some features.
> but, ENABLE_VIDEO was already 0 (ENABLE_VIDEO=0) and qtwebkit is playing
> html5 video well.
> 
> Then, I saw Makefile.WebCore.Target file
> (qt-everywhere-opensource-src-5.2.1/qtwebkit/Source/WebCore/Makefile.WebCor
> e.Target). but, ENBLE_VIDEO is 1 ( -DENABLE_VIDEO=1) in DEFINES variable.
> 
> I would like to know what file changed this option and qtwebkit can be
> working well without this feature if I disable this option.
> 
> Can I remove these features from qtwebkit? Is it possible?
> Please let me know how to remove this feature.
> 
> I appreciate you in advance.

You can set defines on the qmake command-line.  If you set the define to 0 or 
1 you override the automatic values.


`Allan