1i386_kvm_ss = ss.source_set() 2 3i386_kvm_ss.add(files( 4 'kvm.c', 5 'kvm-cpu.c', 6)) 7 8i386_kvm_ss.add(when: 'CONFIG_XEN_EMU', if_true: files('xen-emu.c')) 9 10i386_system_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c'), if_false: files('hyperv-stub.c')) 11 12i386_system_ss.add_all(when: 'CONFIG_KVM', if_true: i386_kvm_ss) 13