To install QT4, Qwt6 and libfftw use your distribution packet management system, for instance in ubuntu you can run: `sudo apt-get install libfftw3-dev libqwt-dev libqt4-dev` to install all requirements.
To install QT4, Qwt6 and libfftw use your distribution packet management system, for instance in ubuntu you can run: `sudo apt-get install libfftw3-dev libqwt-dev libqt4-dev` to install all requirements.