Re: [2.6 patch] kconfig-language.txt: remove bogus hint

[Sam Ravnborg <sam@ravnborg.org>]

On Sun, May 04, 2008 at 02:15:35AM +0300, Adrian Bunk wrote:
> This kconfig construct described here is required in a different and 
> much more complicated situation.
Please elaborate...

	Sam

> 
> For the use case the hint claimed it would be a simple dependency is 
> enough.
> 
> Signed-off-by: Adrian Bunk <bunk@kernel.org>
> 
> ---
> 8e3fd4a5e77c9cd1b52989cd72e984b47ad426b4 diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
> index 00b950d..c412c24 100644
> --- a/Documentation/kbuild/kconfig-language.txt
> +++ b/Documentation/kbuild/kconfig-language.txt
> @@ -377,27 +377,3 @@ config FOO
>  
>  limits FOO to module (=m) or disabled (=n).
>  
> -
> -Build limited by a third config symbol which may be =y or =m
> -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> -A common idiom that we see (and sometimes have problems with) is this:
> -
> -When option C in B (module or subsystem) uses interfaces from A (module
> -or subsystem), and both A and B are tristate (could be =y or =m if they
> -were independent of each other, but they aren't), then we need to limit
> -C such that it cannot be built statically if A is built as a loadable
> -module.  (C already depends on B, so there is no dependency issue to
> -take care of here.)
> -
> -If A is linked statically into the kernel image, C can be built
> -statically or as loadable module(s).  However, if A is built as loadable
> -module(s), then C must be restricted to loadable module(s) also.  This
> -can be expressed in kconfig language as:
> -
> -config C
> -	depends on A = y || A = B
> -
> -or for real examples, use this command in a kernel tree:
> -
> -$ find . -name Kconfig\* | xargs grep -ns "depends on.*=.*||.*=" | grep -v orig
> -
>