linux-kernel - Re: [PATCH] samples: build fix

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Message-ID: <20080214200404.GA11166@Krystal>
Date:	Thu, 14 Feb 2008 15:04:04 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Roland McGrath <roland@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] samples: build fix

* Sam Ravnborg (sam@...nborg.org) wrote:
> On Thu, Feb 14, 2008 at 08:27:52AM -0500, Mathieu Desnoyers wrote:
> > * Roland McGrath (roland@...hat.com) wrote:
> > > 
> > > The samples/ subdirectory contains only modules.
> > > But the only make run done there is in commands for vmlinux.
> > > I can't see why this was ever done in this nonstandard fashion.
> > > As things stand, the modules don't get built by 'make modules'.
> > > 
> > > I didn't make the addition of the directory use core-$(CONFIG_SAMPLES)
> > > because there is no other conditional like that in the top-level Makefile
> > > and samples/Makefile already uses obj-$(CONFIG_SAMPLES) as if it expects
> > > always to be included.
> > > 
> > 
> > Sam, is this ok with the samples intent ? I think as long as we do not
> > include them with the kernel image and have a "make samples" to build
> > them, it's ok. Having them built upon make modules seems like a good
> > idea to me.
> 
> The samples code are supposed to be what the name says 'samples'.
> This is not code that are supposed to be part of the built-in kernel.
> This is not modules that are supposed to be installes when 
> installing modules.
> 
> Adding it to core-y as Roland does in the patch below is plain
> wrong as it enabled both points above.
> The fact that the present code in samples/ does not do this is
> in this respect irellevant.
> 
> Do we have problems when to build the sampls - then lets
> address this issue but not by trying to upgrade the samples
> to first class citizen in the kernel - they are not that
> and should not be handled like that.
> 

Then is there some other way to have the samples built upon "make
modules" that would not install them with other modules ?

Mathieu

> 	Sam

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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