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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Patches and discussions about the oe-core layer
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Date: Tue, 26 Jul 2011 23:52:56 +0100
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Subject: Re: [PATCH 3/3] Add basic PowerPC core tune config
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On Tue, 2011-07-26 at 17:02 -0500, Kumar Gala wrote:
> On Jul 26, 2011, at 11:18 AM, Richard Purdie wrote:
> 
> >>> You're already found the way to pass configuration to *libc using values
> >>> in TARGET_FPU to pickup the right configuration.
> >>> 
> >>> Is there a use case we're missing?
> >> 
> >> Yes, for [e]glibc we have optimized libc functions for a given /
> >> specific PPC processor.  So we need someway to tell configure this.
> > 
> > I'd do this by looking for flags in TUNE_FEATURES as Mark has also
> > mentioned.
> > 
> > Cheers,
> > 
> > Richard
> 
> Are we thinking something like the following in e[glibc] recipes:
> 
> EXTRA_OECONF += "${@bb.utils.contains("TUNE_FEATURES", "ppce500mc", "-with-cpu=e500mc", "", d)}"

Could we glean this information from the TUNE_CCARGS variable and do
this automatically?

Cheers,

Richard