List of labels ; optional; nonconfigurable

The set of targets whose Make variables this target is allowed to access. These targets are either instances of rules that provide TemplateVariableInfo or special targets for toolchain types built into Bazel. These include:

Note that this is distinct from the concept of toolchain resolution that is used by rule implementations for platform-dependent configuration. You cannot use this attribute to determine which specific cc_toolchain or java_toolchain a target will use.