How seperate Qt3 from Qt4?

[Jörg Pauly]

Hello, List-Members,

I'd like to write the first apps under Qt4 now, but anyhow the Co-existance of 
both versions seems to be a little difficult.

Example: All links point to the Qt4 designer. Not so well, if you use Qt3 
dialogs in older projects... :-(

But: If I try to set the Qt's version to 4 in Kdevelop, the preprocessor does 
not find *any* header file...

What should I do? Just wait for KDE4?
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Grüsse aus Meissen
Jörg Pauly