Since qemu-kvm and qemu are compatible, please add qemu-kvm to RDEPEND for app-emulation/qtemu-1.0.5. I manually changed RDEPEND to || ( app-emulation/qemu app-emulation/qemu-kvm ) and successfully launched my own virtual systems.
Created attachment 262607 [details, diff] qtemu-1.0.5-r1.ebuild.patch
done. Thank you