Build instructions :

cd ~/pydadl_install
wget ftp://ftp.trolltech.com/qt/source/qt-x11-opensource-src-4.3.4.tar.gz
tar xzvf qt-x11-opensource-src-4.3.4.tar.gz
cd qt-x11-opensource-src-4.3.4
./configure -prefix /usr/local/pydadl -release -fast -no-exceptions -qt-gif
make
make install