RFR: JDK-8304867: Explicitly disable dtrace for ppc builds [v2]

[Lutz Schmidt]

On Fri, 24 Mar 2023 12:20:32 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Currently the support for the JVM feature 'dtrace' is not implemented in the HS codebase on ppc, so we should disable it in the jvm-features make detection as well. Otherwise we could run into building with dtrace feature support if e.g. the 'dtrace' tool and related header(s) are available on the build machine.
>> 
>> Probably the same is true for the s390x platform, see
>> https://github.com/openjdk/jdk/blob/0deb648985b018653ccdaf193dc13b3cf21c088a/src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp#L226
>> but I only looked a bit more into ppc.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adjust output for dtrace checking

Looks good to me.
Will you take care of s390x in a separate PR? Or will @offamitkumar handle it?

-------------

Marked as reviewed by lucy (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13173#pullrequestreview-1358512510