[7.2.0] Add layering_check support for macOS (#22572)

There were 2 things with the previous implementation that needed to be
improved here:

1. Apple Clang has a bug where it doesn't pass module compiler flags to
the underlying -cc1 invocation, so we have to manually pass them
directly to that invocation with -Xclang
2. The previous search script was too aggressive and slow for macOS. The
macOS SDK has tons of files that aren't headers, and tons of symlinks
pointing to other files within the SDK. This adds a fork in the script
to run a version that works with Apple SDKs. The time difference on my
machine is 41s->6s. 6s is still pretty long so if desired we can put
this behavior behind an env var for users to opt in with.

I've added a hermetic version of this to the apple_support toolchain,
but similar to the Linux setup here the modulemap file includes absolute
paths.

Closes #22259.

This reverts commit 1f1b4fd37bacf5fc90bd06403b63dbb54e84db3b.

Closes #22475.

PiperOrigin-RevId: 637969838
Change-Id: I7d4940a820e3741836239493222ba8d06c4d70e4

Commit
https://github.com/bazelbuild/bazel/commit/6abdd2a882e31095fdd4eb557f755040188562a9

Co-authored-by: Keith Smiley <keithbsmiley@gmail.com>
7 files changed
tree: 7cb1cdcf4b5fb1bd3f06835614f6b68130403d04
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .bazelversion
  11. .gitattributes
  12. .gitignore
  13. AUTHORS
  14. bazel_downloader.cfg
  15. BUILD
  16. CHANGELOG.md
  17. CODE_OF_CONDUCT.md
  18. CODEOWNERS
  19. combine_distfiles.py
  20. combine_distfiles_to_tar.sh
  21. compile.sh
  22. CONTRIBUTING.md
  23. CONTRIBUTORS
  24. distdir.bzl
  25. distdir_deps.bzl
  26. extensions.bzl
  27. LICENSE
  28. maven_install.json
  29. MODULE.bazel
  30. MODULE.bazel.lock
  31. rbe_extension.bzl
  32. README.md
  33. repositories.bzl
  34. requirements.txt
  35. SECURITY.md
  36. WORKSPACE
  37. WORKSPACE.bzlmod
  38. workspace_deps.bzl
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