From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sun, 30 Jul 2006 09:18:49 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
MIME-Version: 1.0
Subject: Re: [Xenomai-core] [PATCH] detect conflict with INPUT_PCSPKR
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai-core <xenomai@xenomai.org>

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Gilles Chanteperdrix wrote:
> Gilles Chanteperdrix wrote:
>  > How about solving this in Kconfig ?
>  > Index: scripts/Kconfig.frag
>  > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>  > --- scripts/Kconfig.frag	(revision 1388)
>  > +++ scripts/Kconfig.frag	(working copy)
>  > @@ -2,6 +2,7 @@
>  >  menu "Real-time sub-system"
>  > =20
>  >  config XENOMAI
>  > +	depends on CONFIG_X86_TSC || !X86 || !CONFIG_INPUT_PCSPKR
>  >  	bool "Xenomai"
>  >  	default y
>  >          select IPIPE
>=20
> Sorry, I meant:
>=20
>=20
>=20
> -----------------------------------------------------------------------=
-
>=20
> Index: scripts/Kconfig.frag
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- scripts/Kconfig.frag	(revision 1388)
> +++ scripts/Kconfig.frag	(working copy)
> @@ -2,6 +2,7 @@
>  menu "Real-time sub-system"
> =20
>  config XENOMAI
> +	depends on X86_TSC || !X86 || !INPUT_PCSPKR
>  	bool "Xenomai"
>  	default y
>          select IPIPE

No problem, but only when combining with a

comment "Switch off CONFIG_INPUT_PCSPKR to use Xenomai" (or so)
	depends on !X86_TSC && X86 && INPUT_PCSPKR

Otherwise the user will be left alone here with a non-selectable Xenomai
option...

This actually remind me of my suggestion some months ago to add Kconfig
warnings for CONFIG_CPU_FREQ & friends. Might be a good chance to catch
this all. Is scripts/Kconfig.frag the preferred place to add it?

Jan


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