Commits
Merge pull request #1884 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:new_vfd_build_cleanup to develop * commit '3ee329cb463538cceffef722101fb28e37fbddcb': Untangle #ifdef mess in ROS3 code.
Merge pull request #1884 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:new_vfd_build_cleanup to develop * commit '3ee329cb463538cceffef722101fb28e37fbddcb': Untangle #ifdef mess in ROS3 code.