RFR: 8347825: Make IDEA ide support use proper build system mechanisms

[Magnus Ihse Bursie]

On Wed, 15 Jan 2025 15:33:14 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> The idea.sh script which creates a configuration for IDEA does at some point call a makefile, to extract information from the build system. However, this is done in an ad-hoc manner that does not fit properly in the build system.
> 
> I ran into this as a problem when trying to implement another change, so this needs to be fixed, and should be fixed separately.

Turns out we actually did have a `make:idea` test, and running it showed a mistake in my code! Who would have thought..? 😄

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

PR Comment: https://git.openjdk.org/jdk/pull/23140#issuecomment-2593343512