portage-ng --merge
>>> Emerging : portage://media-libs/libvpl-2.16.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libvpl-2.16.0
│ └─ file ─┤ 12.37 Mb libvpl-2.16.0.tar.gz
│ download portage://x11-libs/libpciaccess-0.19
│ └─ file ─┤ 63.21 Kb libpciaccess-0.19.tar.xz
└─step 2─┤ install portage://x11-libs/libpciaccess-0.19
│ └─ conf ─┤ USE = "zlib -static-libs"
└─step 3─┤ run portage://x11-libs/libpciaccess-0.19
└─step 4─┤ install portage://media-libs/libvpl-2.16.0
│ └─ conf ─┤ USE = "-examples -test"
│ │ SLOT = "0/2"
└─step 5─┤ run portage://media-libs/libvpl-2.16.0
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
12.43 Mb to be downloaded.