portage-ng --merge
>>> Emerging : portage://x11-libs/libvdpau-1.5:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://x11-libs/libvdpau-1.5
│ └─ file ─┤ 139.92 Kb libvdpau-1.5.tar.bz2
└─step 2─┤ install portage://x11-libs/libvdpau-1.5
│ └─ conf ─┤ USE = "-doc -dri -test"
└─step 3─┤ run portage://x11-libs/libvdpau-1.5
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
139.92 Kb to be downloaded.