AC_ARG_WITH([qemu],
[AS_HELP_STRING([--with-qemu],
[set default QEMU binary @<:@default=[qemu-kvm] qemu-system-<host> qemu@:>@])],
AC_ARG_WITH([qemu],
[AS_HELP_STRING([--with-qemu],
[set default QEMU binary @<:@default=[qemu-kvm] qemu-system-<host> qemu@:>@])],