* KeyError is not raised for defaultdict
* Fix relative paths on different drives on Windows
* Add a round-trip test
Co-authored-by: Itamar Oren <itamarost@gmail.com>
* gh-134632: Fix `build-details.json` to use `INCLUDEPY` path
Fix ``build-details.json`` generation to use ``INCLUDEPY``, in order to
reference the ``pythonX.Y`` subdirectory of the include directory, as
required in :pep:`739`, instead of the top-level include directory.
* test_build_details: Add tests for the c_api section
* test_build_details: Expect pkgconfig for CPython unconditionally