This Promgram is related with http://libvirt.org/compiling.html website This Promgram consists of some files, source_code.path and setup_upgrade.sh
source_code.path file is for the source code version name in http://libvirt.org/sources you should choose the source code what you want to build in your os system (this file is the only file you have to change and redefine for the source code)
setup_upgrade.sh file is the installation file this file will install necessary and dependancy package to build and compile the source code