KDevelop3 fails to build on qt/kde-3.0.5

[Izo]

I am experiencing some problems concerning building the CVS with the 
qt-3.0.5 and kde-3.0.5. Namely, the parts/bookmarks reports the the 
KTextEditor::MarkInterfaceExtension class as unknown which is basically 
true. However, I do not understand it very good since it builds without 
problems with the older, qt-3.0.4 and same kde-3.0.5 on another machine. 
I have distclean/Makefile.cvs/configure/build with no success.

Any idea ?

Iztok