+# --with-xen-bootloader=...
+AC_ARG_WITH([xen-bootloader],
+ [AS_HELP_STRING([--with-xen-bootloader=PATH],
+ [bootloader for Xen hypervisor (default is empty)]
+ )],
+ [xen_bootloader="$withval"],
+ [xen_bootloader=])
+AC_SUBST(XEN_BOOTLOADER, $xen_bootloader)
+