Building on Linux
svn checkout http://svn.dsource.org/projects/qtd/trunk/ qtd cd qtd make
don't worry about numerous warnings at the generation stage, it's okey.
Before building you can also set QTDIR environmental variable to specify location of Qt on your system(by default it searches headers in /usr/include/qt4). You can also use QTDIR_INC and QTDIR_LIB variables separately for include and lib directories.