/usr/lib/x86_64-linux-gnu/ is in libhdf5-openmpi-dev 1.8.16+docs-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/libhdf5_openmpihl_fortran.a
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi.settings
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/hdf5-openmpi.pc
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi_fortran.a
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi_hl.a
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi.a
/usr/lib/x86_64-linux-gnu/hdf5/
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/
/usr/lib/x86_64-linux-gnu/libhdf5_openmpihl_fortran.so
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi_hl.so
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi.so
/usr/lib/x86_64-linux-gnu/libhdf5_openmpi_fortran.so
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5hl_fortran.a
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5_hl.a
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5.a
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/lib
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5_fortran.so
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5.so
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/include
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5.settings
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5hl_fortran.so
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5_fortran.a
/usr/lib/x86_64-linux-gnu/hdf5/openmpi/libhdf5_hl.so