Remove pre-2.2 Linux kernel support

[Andreas Jaeger]

On 05/14/2012 09:33 PM, Roland McGrath wrote:
>> On 05/14/2012 09:24 PM, Roland McGrath wrote:
>>> testrtsig.h is still used by signal/allocrtsig.c
>>
>> Let me rephrase my comment: We now have a file in sysdeps/generic where
>> kernel_has_rtsig is always 0 and a Linux specific one that always
>> returns 1. What is the right value for Hurd? If it's 0, we could cleanup
>> further...
>
> It's 0 for Hurd.  So what's wrong with the status quo?

Then everything is fine as is and we can keep the status quo,

Andreas
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