RFR: JDK-8313244: NM flags handling in configure process [v4]

[Matthias Baesken]

On Wed, 9 Aug 2023 15:26:05 GMT, Andreas Steiner <duke at openjdk.org> wrote:

>> On AIX we need the -X64 option for NM in the build. The handling is equivalent to the other used tools flags like AR.
>> This change will replace the quick fix done in https://bugs.openjdk.org/browse/JDK-8312466.
>
> Andreas Steiner has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add NMFLAGS in NativeCompilation.gmk for consistency

Marked as reviewed by mbaesken (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15150#pullrequestreview-1571163156