The following packages can be provided by the system:

• cdo
• eccodes
• fftw
• fiat
• HDF5
• libxml2
• NetCDF (C/Fortran)
• BLAS
• szip
• zlib

Use the -DUSE_SYSTEM_<pkg_in_lower_case> option (setting it in the toolchain file for example) to inform HPCW of which system-provided dependencies to use.