vasp:
    prefix: $VASP_PREFIX
    description: Vienna Ab initio Simulation Package
    url: http://www.vasp.at
    
    default-version: $VASP_VERSION
    versions:
        "$VASP_VERSION":
            description: VASP 6.3.2, Wannier90 3.1.0, Intel compilers and MKL
            dependencies:
                - openmpi/4.1.4:intel-2020