Qt3 and Qt4 on same machine?

[prabhudev]

I have installed QT3 and QT4 on same machine. I want to compile a project using qt4. But every time i run its taking qt3 only.How to make it compile with QT4.?

Os: Fedora 8
Thank you

[ChrisW67]

Run the Qt4 qmake rather than the Qt3 one.

[prabhudev]

How to do that?