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

[Aleksey Shipilev]

On Wed, 14 Jan 2026 11:41:53 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> make/autoconf/flags-cflags.m4 line 107:
>> 
>>> 105: 
>>> 106:     # Debug info level should follow the debug format to be effective.
>>> 107:     CFLAGS_DEBUG_SYMBOLS="-g -gdwarf-4 -g${NATIVE_DEBUG_SYMBOLS_LEVEL}"
>> 
>> What is this supposed to fix/accomplish?
>
> Do you mean the addition of the plain -g or the -g with NATIVE_DEBUG_SYMBOLS_LEVEL appended to it? The former I just added for correctness, it's not strictly needed.

Yes, I am curious why do we need a plain `-g`.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/29214#discussion_r2690122775