hauradou wrote:
> Bruce Dubbs a écrit :
>> Matthew Burgess wrote:
>>
>>
>>>> I'm not sure about that. We are not building glibc against the host
>>>> kernel. We are using the most recent headers from section 6.7. By
>>>> specifying --enable-kernel= we are only telling the build system what
>>>> features to use.
>>>>
>>> Yes, I understand that. However, when it comes to running the tests in
>>> chapter 6, we haven't yet rebooted into the LFS kernel yet. Therefore,
>>> the test results will obviously depend on whether or not the features
>>> they are testing for are available in the host kernel or not.
>>>
>>> For example, assume the host has a 2.6.22.5 kernel (our current earliest
>>> supported version). If we then specify --enable-kernel=2.6.30 to the
>>> chapter 6 Glibc build, that Glibc may contain features that are only
>>> available in 2.6.30 kernels and provides no fallbacks for the
>>> 2.6.22.5 version. At that point, running the tests or even trying to
>>> run any of the binaries linked against that version of Glibc could fail
>>> if they happen to touch those bits of Glibc that only support Linux >=
>>> 2.6.30. So, basically, if we bump the --enable-kernel parameter, we
>>> also need to bump the host system requirements.
>>>
>> OK, so do we use 2.6.30.2 (LFS-6.5)? Do we need to update any other
>> packages in the requirements or make everything from LFS-6.5 (Aug 2009)?
>> Right now, the minimum requirements are from LFS-6.3 (Aug 2007).
>>
>> -- Bruce
>>
>>
>>
> what about changing that glibc configure line into something like:
> enable-kernel=`uname -r | awk -F. '{ print $1"."$2"."$3 }'`
> So that any of these versions could be convenient ?
That's not a bad idea, but if the user's host kernel is too old, then we
get failures in the glibc tests. It's nice to have a clean test. I'm
not sure if the test failures are a real problem though. Of course it
depends on what functionality fails.
-- Bruce
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