candidates="/usr/bin/qemu-kvm /usr/libexec/qemu-kvm /usr/bin/qemu-system-x86_64 /usr/bin/qemu" qemu= for candidate in $candidates; do if test -x $candidate; then qemu=$candidate break fi done real_qemu() { if test x$qemu != x; then exec $qemu "$@" else return 1 fi } faked_machine() { echo "pc" } faked_cpu() { cat <