thank you, i've solved installing 0.8.7 <div class="gmail_quote">2011/1/20 Matthias Bolte <<a href="mailto:matthias.bolte@googlemail.com">matthias.bolte@googlemail.com</a>> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> 2011/1/20 Marcela Castro León <<a href="mailto:mcastrol@gmail.com">mcastrol@gmail.com</a>>: <div><div></div><div class="h5">> Hello > When installing libvirt 0.8.6, I've passed ./configure, but when I execute > make, I've got > > CCLD libvirtd > ../src/.libs/libvirt_driver_qemu.a(libvirt_driver_qemu_la-qemu_driver.o): In > function `qemudVPAssociatePortProfiles': > /home/chubut/libvirt-0.8.6/src/qemu/qemu_driver.c:11881: undefined reference > to `vpAssociatePortProfileId' > /home/chubut/libvirt-0.8.6/src/qemu/qemu_driver.c:11898: undefined reference > to `vpDisassociatePortProfileId' > collect2: ld returned 1 exit status > make[3]: *** [libvirtd] Error 1 > make[3]: Leaving directory `/home/chubut/libvirt-0.8.6/daemon' > make[2]: *** [all] Error 2 > make[2]: Leaving directory `/home/chubut/libvirt-0.8.6/daemon' > make[1]: *** [all-recursive] Error 1 > make[1]: Leaving directory `/home/chubut/libvirt-0.8.6' > make: *** [all] Error 2 > chubut@chubut:~/libvirt-0.8.6$ > </div></div>Unfortunately 0.8.6 contains this compile error on systems without macvtap support, like Ubuntu. You either need to backport this patch [1] to 0.8.6 or use the latest libvirt release 0.8.7 instead. [1] <a href="http://libvirt.org/git/?p=libvirt.git;a=commit;h=474b1c1487828a17fe9e1025901334d9820ea350" target="_blank">http://libvirt.org/git/?p=libvirt.git;a=commit;h=474b1c1487828a17fe9e1025901334d9820ea350</a> Matthias </blockquote></div>