kvm 升级到qemu-5..2.0

yum install glib2
yum install glib2-devel
yum -y install gcc gcc-c++ automake libtool zlib-devel glib2-devel bzip2-devel libuuid-devel spice-protocol spice-server-devel usbredir-devel libaio-devel

git clone git://github.com/ninja-build/ninja.git && cd ninja
./configure.py --bootstrap
cp ninja /usr/bin/

yum install glib2 install glib2-devel gcc gcc-c++ automake libtool zlib-devel glib2-devel bzip2-devel libuuid-devel spice-protocol spice-server-devel usbredir-devel libaio-devel
./configure --enable-usb-redir --enable-libusb --enable-spice --enable-uuid --enable-kvm --enable-bzip2 --prefix=/usr/local/qemu --enable-linux-aio --enable-system
make && make install
systemctl stop libvirtd
systemctl start libvirtd
ln -s /usr/local/qemu/bin/qemu-system-x86_64 /usr/bin/qemu-kvm
ln -s /usr/local/qemu/bin/qemu-img /usr/bin/qemu-img