finish wiring for bzlmod and adjust docs

Author: aignas

CHANGELOG.md

@@ -73,6 +73,8 @@ Unreleased changes template.
 * {obj}`//python/bin:python`: convenience target for directly running an
   interpreter. {obj}`--//python/bin:python_src` can be used to specify a
   binary whose interpreter to use.
+* (pypi) An extra argument to add the interpreter lib dir to `LDFLAGS` when
+  building wheels from `sdist`.
 
 {#v0-0-0-removed}
 ### Removed

python/private/pypi/attrs.bzl

@@ -18,7 +18,10 @@ ATTRS = {
     "add_libdir_to_library_search_path": attr.bool(
         default = False,
         doc = """
-If true, add the lib dir of the bundled interpreter to the library search path via LDFLAGS.
+If true, add the lib dir of the bundled interpreter to the library search path via `LDFLAGS`.
+
+:::{versionadded} VERSION_NEXT_FEATURE
+:::
 """,
     ),
     "download_only": attr.bool(

python/private/pypi/extension.bzl

@@ -203,6 +203,7 @@ def _create_whl_repos(
         )
         maybe_args = dict(
             # The following values are safe to omit if they have false like values
+            add_libdir_to_library_search_path = pip_attr.add_libdir_to_library_search_path,
             annotation = whl_modifications.get(whl_name),
             download_only = pip_attr.download_only,
             enable_implicit_namespace_pkgs = pip_attr.enable_implicit_namespace_pkgs,