download QT from here:
http://get.qt.nokia.com/qt/source/qt-mac-cocoa-opensource-4.6.3.dmg
do from the OSX terminal:
export HB_WITH_QT=/Developer/SDKs/MacOSX10.6.sdk/Library/Frameworks/QtCore.framework/Headers
and from Harbour folder do:
make
and Harbour get built with QT support
libhbqt.a, libhbqtcore.a, libhbqtgui.a and libhbqtnetwork.a
Then go to contrib/hbide and do:
../../bin/darwin/clang/hbmk2 hbide.hbp