QEMU in Fedora >= 18 is configured with ppc64 and s390x as architectures
where KVM is enabled.
https://bugzilla.redhat.com/show_bug.cgi?id=872545
%define with_qemu_tcg %{with_qemu}
# Change if we ever provide qemu-kvm binaries on non-x86 hosts
-%ifarch %{ix86} x86_64
+%if 0%{?fedora} >= 18
+%define qemu_kvm_arches %{ix86} x86_64 ppc64 s390x
+%else
+%define qemu_kvm_arches %{ix86} x86_64
+%endif
+
+%ifarch %{qemu_kvm_arches}
%define with_qemu_kvm %{with_qemu}
%else
%define with_qemu_kvm 0