export QTDIR=$PWD && ./configure -prefix /opt/qt-&qt-version; -qt-gif -system-libpng \    -system-libmng -system-zlib -system-libjpeg -no-g++-exceptions \    -thread && make && make install && ln -sf /opt/qt-&qt-version; /opt/qt && cp -r doc/man /opt/qt/doc && cp -r examples /opt/qt/doc The build time for qt is quite long. If you want to save some time and don't want the tutorials and examples, change the first make line above to: make sub-tools