RFR: 8344191: Build code should not have classpath exception

[Jonathan Gibbons]

On Thu, 14 Nov 2024 12:22:36 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> In several (most? all?) of the build system files, the copyright header includes the classpath exception. This makes no sense, and should be removed. 
> 
> I have removed the classpath exception from makefiles, autoconf, shell scripts, properties files, configuration files, IDE support files, build tools and data.
> 
> The only places where the classpath exception is still kept in the make directory is as text strings in some build tools, which generate source code that is bundled with `src.zip`, and thus *must* have the classpath exception.
> 
> This is a huge and autogenerated, but content-wise trivial, PR, and I know such are hard to review. I recommend looking at the entire diff file instead of checking this file-by-file in the Github web GUI. (That's bound to be a painful experience)

The policy has long been to use Classpath Exception in the `src` and `make` directories, but not in the `test` directories. If you're changing the policy, you might want to check and update any documentation where the policy might be written down.

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PR Comment: https://git.openjdk.org/jdk/pull/22104#issuecomment-2476698524