On Tue, 11 Aug 2026 22:25:43 GMT, Claes Redestad <[email protected]> wrote:

>> This PR splits the JDK build of microbenchmarks into two passes, one which 
>> builds with `--enable-preview` and the other without. As the micros which 
>> currently needs to be built with preview are contained in only two packages 
>> I've opted for the minimalist solution of listing those in the makefile. A 
>> future enhancement might be to add some annotation-driven discriminator but 
>> this seems like overkill to me. 
>> 
>> Also drive-by adjusted an error in the documentation of SetupJavaCompilation 
>> (package names to INCLUDES / EXCLUDES should be provided with slashes, not 
>> dots) and removed `--enable-preview` from a couple of microbenchmarks which 
>> no longer need it. 
>> 
>> One glaring limitation of a split-build approach is that code in each group 
>> can no longer overlap or share code. As microbenchmarks are typically 
>> self-contained this currently isn't and shouldn't become much of an issue. 
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Claes Redestad has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Fix copy-paste issue, remove redundant --enable-preview sent to JAVA_FLAGS

Marked as reviewed by erikj (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/32296#pullrequestreview-4911377465

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