[lworld] Integrated: 8376088: [lworld] value class creation in CompileJavaModules.gmk leaves unnecessary files

[David Beaumont]

On Thu, 22 Jan 2026 20:31:23 GMT, David Beaumont <duke at openjdk.org> wrote:

> This is a tidying up of the value class generation and management.
> It solves JDK-8376088, but also simplifies the two-step process for creating the `META-INF/preview` class files.
> 
> Short description of changes:
> 1. Remove JAR file creation (no longer needed, this is the proximal fix for JDK-8376088).
> 2. Stop adding the "intermediate" target for the compilation to the TARGETS list (rely on the subsequent copy).
> 3. Copy directories directly from the output directory to the preview directory (does not copy marker files).
> 4. Make the marker file appear alongside other markers for the module compilation.
> 5. Rename marker file to be consistent with other sibling marker files.
> 
> The marker files in `build/linux-x64/jdk/modules/java.base/` are now:
> 
> 
> _the.java.base_batch
> _the.java.base_batch.cmdline
> _the.java.base_batch.filelist
> _the.java.base_batch.log
> _the.java.base_batch.modfiles
> _the.java.base_batch.modfiles.fixed
> _the.java.base.config_vardeps
> _the.java.base_internalapi
> _the.java.base-javacserver.conf
> _the.java.base_pubapi
> _the.java.base.valueclasses   <-- moved/renamed mark file
> _the.java.base.vardeps
> 
> 
> I've added a couple of notes where there could be choices about the implementation.

This pull request has now been integrated.

Changeset: 2591e329
Author:    David Beaumont <david.beaumont at oracle.com>
Committer: Roger Riggs <rriggs at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/2591e32922c4b0936149b1bb75149e49dd7e66e5
Stats:     43 lines in 2 files changed: 10 ins; 22 del; 11 mod

8376088: [lworld] value class creation in CompileJavaModules.gmk leaves unnecessary files

Reviewed-by: dsimms, rriggs

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PR: https://git.openjdk.org/valhalla/pull/1949