apt-get install build-essential gcc pkg-config glib-2.0 libglib2.0-dev libsdl1.2-dev
libaio-dev libcap-dev libattr1-dev libpixman-1-dev
apt-get build-dep qemu
apt-get install qemu-kvm libvirt-bin
wget http://wiki.qemu.org/download/qemu-2.5.0.tar.bz2
tar xjvf qemu-2.5.0.tar.bz2
cd qemu-2.5.0
./configure
make
make install