Integrated: 8292391: Add support for optional signing of native libraries

[Kevin Rushforth]

On Tue, 16 Aug 2022 21:14:42 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This PR enables an optional signing step inserted into the build right after the step to strip binaries that was added by [JDK-8278260](https://bugs.openjdk.org/browse/JDK-8278260). As is the case with the `strip` step, the optional signing is only ever enabled for production builds when running with `gradle -PCONF=Release`.
> 
> This is an optional step, meaning that `codeSignCmd` and `codeSignArgs` need to be provided by scripts external to the repo in order to enable it. By default, they are not defined, so the additional logic added by this PR will do nothing.
> 
> NOTE: as with the fix for [JDK-8278260](https://bugs.openjdk.org/browse/JDK-8278260), this PR adds three copies of the build logic. I filed [JDK-8292506](https://bugs.openjdk.org/browse/JDK-8292506) to refactor both of them (strip and sign), and to look for other duplication as well.

This pull request has now been integrated.

Changeset: dee34b42
Author:    Kevin Rushforth <kcr at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/dee34b42d3443466d81fc4e2a9a2994338b680c0
Stats:     54 lines in 1 file changed: 54 ins; 0 del; 0 mod

8292391: Add support for optional signing of native libraries

Reviewed-by: arapte

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PR: https://git.openjdk.org/jfx/pull/871