RFR: 8375241: Simplify --with-native-debug-symbols-level option implementation [v3]

[Julian Waters]

On Wed, 21 Jan 2026 06:24:39 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> --with-native-debug-symbols-level was added some time ago to allow selecting the level of debugging information created for compiled binaries. The UTIL_ARG_WITH utility that the option implementation uses has several features that can be used to simplify handling of this option, so that is done in this change.
>
> Julian Waters has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use auto for default in flags-cflags.m4

I'll take it that everyone's fine with this then. Thanks for the reviews Aleksey and Erik!

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PR Comment: https://git.openjdk.org/jdk/pull/29214#issuecomment-3788657864