Documentation/kbuild: add info that 'choice' can have a symbol name

Changeset 5a1aa8a1 added the possibility to name a choice,
and to have the same choice be defined multiple times.
But the documentation was forgotten, so this updates it accordingly.

Thanks to Arnaud Lacombe for pointing it to me in the first place:
  http://www.spinics.net/lists/linux-kbuild/msg03940.html

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Yann E. MORIN 2010-12-16 00:19:00 +01:00 committed by Michal Marek
parent f0a6332ce2
commit 0719e1d23a

View File

@ -268,7 +268,7 @@ separate list of options.
choices:
"choice"
"choice" [symbol]
<choice options>
<choice block>
"endchoice"
@ -282,6 +282,10 @@ single driver can be compiled/loaded into the kernel, but all drivers
can be compiled as modules.
A choice accepts another option "optional", which allows to set the
choice to 'n' and no entry needs to be selected.
If no [symbol] is associated with a choice, then you can not have multiple
definitions of that choice. If a [symbol] is associated to the choice,
then you may define the same choice (ie. with the same entries) in another
place.
comment: