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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Gary Thomas <gary@mlbassoc.com>
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Date: Thu, 30 Dec 2010 10:21:01 +0000
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Subject: Re: about ${KERNEL_CC} and ${CC}
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On Thu, 2010-12-23 at 05:27 -0700, Gary Thomas wrote:
> On 12/23/2010 02:44 AM, Richard Purdie wrote:
> > Perf should be compiled with the userspace toolchain, not the kernel
> > one. I'd say this fix is therefore correct.
> >
> > Adding TOOLCHAIN_OPTIONS to KERNEL_CC would also probably be a good idea
> > too.
> 
> Perfect idea!  I added this and I'm now able to rebuild my
> kernel package using a sstate-cache based toolchain.  This
> should close bug #605
> 
> Patch attached for review.

There is no need to set TOOLCHAIN_OPTIONS and we need to alter both
KERNEL_CC and KERNEL_LD which both have this problem or
TOOLCHAIN_OPTIONS being missing. I've pushed a patch into master which
does this.

I've also pushed a patch to ensure the userspace compiler if used to
build perf.

Let me know if there are any more problems in this area.

Cheers,

Richard