Make //third_party/stl the entrypoint for toolchain bindings

Now -isystem third_party/stl/cxx17 appears first in the list of system includes.
The "unittest" ended up being quite complicated because action.argv is not available for CppCompile action and action.args is not accessible during analysis phase. So, we pass action.args to a script that does the actual order checking. Sometimes life gives you lemons.

PiperOrigin-RevId: 427185605
9 files changed
tree: b0cdf8c1f718f851a5e264e6c163f56370d94e03
  1. lifetime_annotations/
  2. rs_bindings_from_cc/
  3. CODE_OF_CONDUCT
  4. CONTRIBUTING
  5. LICENSE
  6. README.md
README.md

Crubit: C++/Rust Bidirectional Interop Tool

Extremely experimental interop tooling for C++ and Rust.

Please don‘t use, this is an experiment and we don’t yet know where will it take us. There will be breaking changes without warning. Unfortunately, we can't take contributions at this point.