Installation of <application>Qt</application> bash export QTDIR=$PWD && export LD_LIBRARY_PATH=$QTDIR/lib && export PATH=$QTDIR/bin:$PATH && ./configure -prefix /opt/qt-&qt-version; -qt-gif -system-libpng \    -system-libmng -system-zlib -system-libjpeg -no-g++-exceptions \    -thread && make && make install && ln -sfn qt-&qt-version; /opt/qt && ln -s /opt/qt/lib/ && cp -r doc/man /opt/qt/doc && cp -r examples /opt/qt/doc exit 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