[yocto] [Yocto] [PULL] devel/toolchain Recipes upgrades

[Mark Hatle]

On 11/9/10 12:12 AM, Bruce Ashfield wrote:
> On 10-11-08 7:41 PM, Kamble, Nitin A wrote:
>> -----Original Message-----
>> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
>>
>> Out of curiosity. What's the logic/requirement behind this
>> change ? Since we don't have a 'supported' 2.6.36 kernel, using
>> these would be a mismatch with what is actually booting on
>> the targets.
>>
>> There's probably something I just don't understand here, so
>> apologies in advance for the (potentially) dumb question.
>>
>> Cheers,
>>
>> Bruce
>>
>>
>> Bruce,
>>      AFAIU the linux-libc-headers are independent from the running kernel. These are headers for libc.
>
> But they aren't. The libc headers should be coupled to the
> kernel version. New ABIs are established and glibc can detect
> and deal with this, but you should never have a newer set of
> headers than the running kernel.
>
> To say the least, I'd like more explanation of this change.

I agree with Bruce here.  If anything the linux-libc-headers should be the same 
or OLDER then the running kernel for this exact reason.  It's quite dangerous 
for newer kernel headers, as they may trigger behavioral differences within the 
glibc configuration.

> Bruce
>
>>
>> Thanks,
>> Nitin
>
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