librsb: mark as broken

    license = with lib.licenses; [ lgpl3Plus ];

    maintainers = with lib.maintainers; [ KarlJoad ];

    platforms = lib.platforms.all;

    # ./rsb_common.h:56:10: fatal error: 'omp.h' file not found

    broken = stdenv.hostPlatform.isDarwin;

    # linking errors such as 'undefined reference to `gzungetc'

    broken = true;

  };

}