[oe] Kernel Headers Quality Issue (was: linux vs. linux-libc-headers?)

[Tom Rini]

On Mon, 2010-05-10 at 16:53 +0200, Thilo Fromm wrote:
> Hello Guys,
> 
> this is a somewhat cumulated response - I'd like to address some of the 
> things mentioned at different points in the discussion in one place. 
> Please forgive me should I misquote things.
> 
> 
> 
> Graeme Gregory in <20100505094242.GF2444 at xora-desktop.xora.org.uk>:
> 
> [Steffen Sledz]
>  > > It seem's not to be possible to use DEFAULT_PREFERENCE_hipox in the
>  > > linux-libc-headers recipes. So what's the right way to handle this?
>  > > Something like PREFERRED_VERSION_linux-libc-headers_hipox = "2.6.24"
>  > > in angstrom-2008.1.conf?
>  >
> [Graeme Gregory]
>  > I thought glibc was supposed to gracefully fall back on missing
>  > syscalls?
> 
> Glibc is compiled against 2.6.31 headers, which is one of our main 
> issues here. It only ever *runs* with a 2.6.24 kernel on the target 
> system, though. So it cannot know about missing syscalls until runtime.

So, I think some of the confusion here stems from confusion about (and I
don't know the right answer off-hand) how glibc handles the
--with-kernel=VERSION stuff.

-- 
Tom Rini <tom_rini at mentor.com>
Mentor Graphics Corporation