According to net/Makefile.objs we only link in the vhost-user code if CONFIG_POSIX has been set. So the help screen should also only show this information if CONFIG_POSIX has been defined.
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com> Signed-off-by: Thomas Huth <th...@redhat.com> --- qemu-options.hx | 2 ++ 1 file changed, 2 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index 8ccd5dc..9ae49a0 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1998,8 +1998,10 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev, " VALE port (created on the fly) called 'name' ('nmname' is name of the \n" " netmap device, defaults to '/dev/netmap')\n" #endif +#ifdef CONFIG_POSIX "-netdev vhost-user,id=str,chardev=dev[,vhostforce=on|off]\n" " configure a vhost-user network, backed by a chardev 'dev'\n" +#endif "-netdev hubport,id=str,hubid=n[,netdev=nd]\n" " configure a hub port on QEMU VLAN 'n'\n", QEMU_ARCH_ALL) DEF("net", HAS_ARG, QEMU_OPTION_net, -- 1.8.3.1