RFR: 8368565: Adjust comment regarding dependency of libjvm.so to librt [v2]

[Matthias Baesken]

On Thu, 25 Sep 2025 08:05:23 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> We have a legacy dependency of libjvm to librt for the` clock_*` functions :
>> https://github.com/openjdk/jdk/blob/f993f90c86f89eb0c7f42ebecb45a68eae0bd9ea/make/autoconf/libraries.m4#L139
>> 
>> But this is for very old systems with distros like RHEL 6 or SLES11 with glibc 2.16 or older, where the clock_ functions were still in librt ; but those ancient distros play no role any more for current JDK26.
>> On the other hand, we now use the `timer_*` functions from librt e.g. in JFR and these are _really_  in librt so the comment should be adjusted.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   adjust/simplify comment regarding librt

Thanks for the review !

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PR Comment: https://git.openjdk.org/jdk/pull/27473#issuecomment-3337467607