>>> Emerging : portage://app-forensics/rkhunter-1.4.6-r2:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sys-process/lsof-4.99.7 (rpc)

 └─step  2─┤ download  portage://app-forensics/rkhunter-1.4.6-r2
             │           └─ file ─┤ 7.06 Kb  	 rkhunter-1.4.6-grep-3.8.patch.xz
             │                    │ 295.06 Kb  	 rkhunter-1.4.6.tar.gz
             │ download  portage://sys-process/lsof-4.99.7
             │           └─ file ─┤ 1.10 Mb  	 lsof-4.99.7.tar.gz

Total: 3 actions (1 useflag, 2 downloads), grouped into 2 steps.
       1.40 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sys-process/lsof rpc