portage-ng --merge
>>> Emerging : portage://media-libs/virglrenderer-1.1.1-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libepoxy-1.5.10-r3
│ └─ file ─┤ 324.29 Kb libepoxy-1.5.10.tar.gz
│ download portage://media-libs/virglrenderer-1.1.1-r1
│ └─ file ─┤ 817.90 Kb virglrenderer-virglrenderer-1.1.1.tar.bz2
└─step 2─┤ install portage://media-libs/libepoxy-1.5.10-r3
│ └─ conf ─┤ USE = "X* -test"
└─step 3─┤ run portage://media-libs/libepoxy-1.5.10-r3
└─step 4─┤ install portage://media-libs/virglrenderer-1.1.1-r1
│ └─ conf ─┤ USE = "-static-libs -test -vaapi -venus"
│ │ VIDEO_CARDS = "-amdgpu"
└─step 5─┤ run portage://media-libs/virglrenderer-1.1.1-r1
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
1.12 Mb to be downloaded.