On Wed, 16 Sep 2026 19:41:06 GMT, Daniel Hu <[email protected]> wrote:
> The compiler error from config.log:
>
> ```
> configure:178801: checking if Arm SVE ACLE is supported
> configure:178827: /usr/bin/gcc -c -Wall -march=armv8-a+sve -Werror
> conftest.c >&5
> conftest.c: In function ‘main’:
> conftest.c:29:21: error: unused variable ‘r’ [-Werror=unused-variable]
> 29 | svint32_t r = svdup_n_s32(1)
> | ^
> conftest.c: In function ‘a’:
> conftest.c:23:28: error: control reaches end of non-void function
> [-Werror=return-type]
> 23 | svfloat64_t a() {}
> | ^
> cc1: all warnings being treated as errors
> configure:178827: $? = 1
> ```
>
> Alternatively, could fix the inline code to be compliant with stricter
> cflags. I'm open to whichever implementation.
Thanks, that helps me fully understand what's happening as I can't easily test
this myself. Given this I think removing `$CFLAGS_WARNINGS_ARE_ERRORS` is the
right choice.
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PR Comment: https://git.openjdk.org/jdk/pull/32896#issuecomment-5705358717
