[OE-core] [oe-core] why recompile gcc-cross/eglibc when update linux package?

[Yi Qingliang]

that's it!!!

I think the version of linux-libc-headers should be same as kernel, in other 
words, use same source code, so I have updated both of them.

VERY THANKS!!!

On Wednesday, December 05, 2012 09:29:18 AM Richard Purdie wrote:
> On Wed, 2012-12-05 at 10:16 +0000, Yi Qingliang wrote:
> > I update the kernel from 3.6.6 to 3.6.9, and recompile it: bitbake linux
> > 
> > but it will recompile eglibc/gcc-cross first, so long time:( why?
> > the eglibc will use kernel header? if so, understand.
> > but what about gcc-cross?
> 
> Did you change linux-libc-headers or the kernel itself?
> 
> If you change the libc-headers, gcc-cross will rebuild since it depends
> on eglibc and as you mention, eglibc depends on the headers.
> 
> Changing the target kernel recipe shouldn't rebuild any of those.
> 
> Cheers,
> 
> Richard