portage-ng --merge
>>> Emerging : portage://media-video/rtmpdump-2.4_p20210219:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-video/rtmpdump-2.4_p20210219
│ └─ file ─┤ 139.69 Kb rtmpdump-2.4_p20210219.tar.gz
└─step 2─┤ install portage://media-video/rtmpdump-2.4_p20210219
│ └─ conf ─┤ USE = "ssl tools -gnutls -static-libs"
└─step 3─┤ run portage://media-video/rtmpdump-2.4_p20210219
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
139.69 Kb to be downloaded.