portage-ng --merge
>>> Emerging : portage://media-libs/libmp4v2-2.1.3-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libmp4v2-2.1.3-r1
│ └─ file ─┤ 580.61 Kb mp4v2-2.1.3.tar.bz2
└─step 2─┤ install portage://media-libs/libmp4v2-2.1.3-r1
│ └─ conf ─┤ USE = "-utils"
└─step 3─┤ run portage://media-libs/libmp4v2-2.1.3-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
580.61 Kb to be downloaded.