RFR: 8313661: [REDO] Relax prerequisites for java.base-jmod target

[Alan Bateman]

On Mon, 14 Aug 2023 22:18:56 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

> This is a redo of [pull/14561](https://git.openjdk.org/jdk/pull/14561). The change relaxes the prerequisites for the top level java.base-jmod target to not include targets for jmods of upgradable modules. 
> 
> The problem with the previous fix was that jdk.jdeps, which is a non upgradable module, depends on java.compiler, which is an upgradable module. The jmod tool wants to resolve the complete module graph given to the `--hash-modules` option and this failed with:
> 
> Error: Resolution failed: Module java.compiler not found, required by jdk.jdeps
> 
> The fix is to modify the prerequisite list for the java.base-jmod target to include the jmod targets of the transitive deps of all the non upgradable modules.

Marked as reviewed by alanb (Reviewer).

I think this change makes sense.

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PR Review: https://git.openjdk.org/jdk/pull/15279#pullrequestreview-1578995587
PR Comment: https://git.openjdk.org/jdk/pull/15279#issuecomment-1679275935