portage-ng --merge
>>> Emerging : portage://media-libs/gmmlib-22.10.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/gmmlib-22.10.2
│ └─ file ─┤ 866.19 Kb intel-gmmlib-22.10.2.tar.gz
└─step 2─┤ install portage://media-libs/gmmlib-22.10.2
│ └─ conf ─┤ USE = "custom-cflags -test"
│ │ SLOT = "0/12.3"
└─step 3─┤ run portage://media-libs/gmmlib-22.10.2
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
866.19 Kb to be downloaded.