Unable to compile qt

[Olu Akins]

I get this error while trying to compile qt any insights

/home/tsunami/kde3.3: unknown argument

   The specified system/compiler is not supported:

        /home/tsunami/konstruct/libs/qt-x11-free/work/qt-x11-free-3.3.3/mkspecs/-prefix

   Please see the PLATFORMS file for a complete list.

make: *** [configure-work/qt-x11-free-3.3.3/configure] Error 2