- pass --build-id when linking, this is needed for debuginfo generation
    - use g77 binaries, paw with gfortran is broken on x86_64 (#241416)
    - add virtual provides for devel, utils and static packages, packages (like
        kuipc) may need the cernlib, but accept g77 or gfortran compiled
        cernlib
    - don't set the environment. It only hurts parallel installations.