I installed libvirt from the default repositories (libvirt-bin).
root@romulus:~# which libvirtd
/usr/sbin/libvirtd
root@romulus:~# libvirtd --version
libvirtd (libvirt) 0.8.8
root@romulus:~# dpkg -l | grep libvirt
ii libvirt-bin 0.8.8-1ubuntu6.5 the programs for the libvirt library
ii libvirt0 0.8.8-1ubuntu6.5 library for interfacing with different virtualization systems
ii python-libvirt 0.8.8-1ubuntu6.5 libvirt Python bindings
root@romulus:~#
I installed libvirt from the default repositories (libvirt-bin).
root@romulus:~# which libvirtd
/usr/sbin/libvirtd
root@romulus:~# libvirtd --version
libvirtd (libvirt) 0.8.8
root@romulus:~# dpkg -l | grep libvirt
ii libvirt-bin 0.8.8-1ubuntu6.5 the programs for the libvirt library
ii libvirt0 0.8.8-1ubuntu6.5 library for interfacing with different virtualization systems
ii python-libvirt 0.8.8-1ubuntu6.5 libvirt Python bindings
root@romulus:~#