This package does not only wrap OpenHRP3 but actually provides the built artifact from the code from its mainstream repository. Being ROS-agnostic by itself, you can also use this via ROS together with the packages in rtmros_common that bridge between two framework.
similar to issue discussed in https://github.com/start-jsk/openrtm_aist_core/issues/1
currently openhrp3.1.pc provides following information.