Yes. TDE will (as of a couple days ago) build completely against tqt3, theoretically resolving any remaining Qt3<-->Qt4 conflicts and allowing the usage of Qt4 directly in new (or manually ported) TDE code. Since I can hear people's confusion now, this ONLY ALLOWS NEWLY-WRITTEN QT4-BASED CODE to be compiled and linked into TDE applications--it does NOT magically make TDE compile on Qt4, nor will it ever. :-)
tdelibs doesn't build against tqt3:
Unable to find tqt! Try adding the directory in which the tqt.pc file is located
Which is created by tqtinterface, but not tqt3. Since tqt3 doesn't build with tqtinterface installed I don't see a correct way to build tdelibs.
People, how do you build it??
tqt3, tqtinterface, arts, tdelibs, tdebase, etc.
tqtinterface is the "glue" layer that makes switching between tqt3 and qt3 possible, so it will always be required.
Tim