On Thu, 2 Nov 2023 16:19:35 GMT, Mandy Chung <mch...@openjdk.org> wrote:
>> Tool modules can be created via `jmod --main-class` option such that >> `ModuleMainClass` attribute will be added in `module-info.class` and the >> module's main class can be launched via `java -m <module-name>` without >> specifying the name of the main class. >> >> In addition, for modules with `ModuleMainClass` attribute, jlink will >> pre-resolve the module graph such that when such module is launched at >> runtime (without `--add-modules` or `--limit-modules` option), the runtime >> can skip the module resolution and speed up the startup time. >> >> This PR extends the build system to allow a module to specify the main class >> under `make/modules/$MODULE/Jmod.gmk` file. Also JDK tools with a single >> entry point (or a primary entry point) are candidates to add >> `ModuleMainClass` attribute in `module-info.class` to benefit from the jlink >> optimization. For example, `java -m jdk.jpackage` will be launched using >> the pre-resolved module graph. >> >> Verified manually by running `java -m $MODULE` on the modules with main >> class. > > Mandy Chung has updated the pull request incrementally with one additional > commit since the last revision: > > review feedbacks Marked as reviewed by alanb (Reviewer). ------------- PR Review: https://git.openjdk.org/jdk/pull/16463#pullrequestreview-1710747941