Re: [PATCH] OMAP_LDP: Support LCD display as a FB device on ZOOM MDK (Re: LDP support)

[Russell King - ARM Linux <linux@arm.linux.org.uk>]

On Mon, May 18, 2009 at 06:54:56PM +0300, Kalle Valo wrote:
> Russell King - ARM Linux <linux@arm.linux.org.uk> writes:
> 
> > On Fri, May 08, 2009 at 07:47:09PM +0300, Kalle Valo wrote:
> >> "stanley.miao" <stanley.miao@windriver.com> writes:
> >> 
> >> >> Looks like you used the CodeSourcery 2007q3 toolchain. This had been
> >> >> reported earlier. Switching to 2008q3 works.
> >> >
> >> > Yeah, Now the kernel booted. it's compiler's problem.
> >> 
> >> I was bitten by the same problem few weeks ago. Any chance of getting a
> >> warning/error if using 2007q3 compiler until the problem is fixed?
> >
> > Is there any way of detecting the 2007q3 compiler?
> >
> > With normal GCC versions, you can use __GNUC__, __GNUC_MINOR__ and
> > __GNUC_PATCHLEVEL__ to identify the three digit version number.
> 
> I don't know, most probably not. But Jon Hunter investigated the issue
> and he found the issue was related to CONFIG_ARCH_WANT_FRAME_POINTERS:
> 
> http://www.mail-archive.com/linux-omap@vger.kernel.org/msg12403.html
> 
> So maybe we can fix or workaround this.

Why does this change anything?  FRAME_POINTERS seems to be enabled
anyway (and should be given the Kconfig setup we have.)