cd
mkdir qfsm
cd qfsm
wget http://sourceforge.net/projects/qfsm/files/qfsm/qfsm-0.52/qfsm-0.52.0-Source.tar.bz2/download -O qfsm.tar.bz2
bunzip2 qfsm.tar.bz2
tar -xvf qfsm.tar
mkdir build
cd build
cmake ../qfsm-0.52.0-Source
make
sudo make install