Attach Java runtime to Java toolchains

Defining a new rule "java_runtime_version_alias", which uses a custom configuration flag transition to select a specific version of remote JDK.

Added a weird "selected_java_runtime" attribute, which needs to exist until the incompatible_use_java_toolchain_resolution is flipped.

Added the test for the attached runtime and fixing the test for host_javabase (now it is only modified for targets in exec configuration).

Bootstrap_toolchain had to be moved to another file, because of java_runtime attribute, which is not yet released.

Related to https://github.com/bazelbuild/bazel/issues/4592

Closes #12677.

PiperOrigin-RevId: 346825514
11 files changed
tree: 248394c0afcbc50bfd7545d4217efd9487f19581
  1. .bazelci/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .bazelrc
  9. .gitattributes
  10. .gitignore
  11. AUTHORS
  12. BUILD
  13. CHANGELOG.md
  14. CODEBASE.md
  15. CODEOWNERS
  16. combine_distfiles.py
  17. combine_distfiles_to_tar.sh
  18. compile.sh
  19. CONTRIBUTING.md
  20. CONTRIBUTORS
  21. distdir.bzl
  22. distdir_deps.bzl
  23. ISSUE_TEMPLATE.md
  24. LICENSE
  25. README.md
  26. WORKSPACE
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