FindHDF5: unable to find HDF5 HL component if HDF5 was installed using CMake
See this Spack PR (https://github.com/spack/spack/pull/29162) for my solution to this, which is to symlink h5cc
to h5hlcc
since FindHDF5
seems to only look at h5cc
and it can never find HL.
Edited by Brad King