portage-ng --merge
>>> Emerging : portage://sci-mathematics/lcalc-2.2.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-util/gengetopt-2.23-r1
│ └─ file ─┤ 571.15 Kb gengetopt-2.23.tar.xz
│ download portage://sci-mathematics/lcalc-2.2.2
│ └─ file ─┤ 816.36 Kb lcalc-2.2.2.tar.xz
└─step 2─┤ install portage://dev-util/gengetopt-2.23-r1
└─step 3─┤ install portage://sci-mathematics/lcalc-2.2.2
│ └─ conf ─┤ USE = "double -double-double -pari -quad-double"
│ │ SLOT = "0/2"
└─step 4─┤ run portage://sci-mathematics/lcalc-2.2.2
Total: 5 actions (2 downloads, 2 installs, 1 run), grouped into 4 steps.
1.35 Mb to be downloaded.