Example 1

bazel build :ex1

Output:

Illegal ambiguous match on configurable attribute "actual" in @@rules_python++pip+pypi//debugpy:pkg: @@rules_python++pip+pypi//_config:is_cp313_py_none_any_osx_aarch64 @@rules_python++pip+pypi//_config:is_cp313_cp313_osx_universal2 Multiple matches are not allowed unless one is unambiguously more specialized or they resolve to the same value. See https://bazel.build/reference/be/functions#select.

Example 2

bazel build :ex2

Output:

Illegal ambiguous match on configurable attribute "actual" in @@rules_python++pip+pypi//tornado:pkg: @@rules_python++pip+pypi//_config:is_cp313_sdist_osx_aarch64 @@rules_python++pip+pypi//_config:is_cp313_abi3_osx_universal2 Multiple matches are not allowed unless one is unambiguously more specialized or they resolve to the same value. See https://bazel.build/reference/be/functions#select.