Only display ACPI bootmenu key if ACPI is present

[Garrett Cooper]

On Tue, Nov 9, 2010 at 2:58 PM, C. P. Ghost <cpghost at cordula.ws> wrote:
> On Mon, Nov 8, 2010 at 11:14 PM, John Baldwin <jhb at freebsd.org> wrote:
>> This patch changes the Forth code for the Beastie menu to only display the
>> menu option to enable or disable ACPI if the loader detects ACPI.  This avoids
>> displaying a menu item prompting to enable ACPI if the BIOS doesn't actually
>> include ACPI.  Any objections?
>
> Wouldn't that be a POLA violation? Some admins may be used to the
> current menu, and would be scratching head as what went wrong.
> Maybe it would be better to keep the menu option, but make it
> non-selectable and print next to it something like "(not available)"?

    Yeah... seems like it would be; besides, I'm kind of used to
pressing numbers 4 and 6 when I have a boot menu :).
Thanks!
-Garrett