portage-ng --merge
>>> Emerging : portage://app-dicts/bookview-3.2.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-dicts/bookview-3.2.1
│ └─ file ─┤ 304.49 Kb bookview-3.2.1.tar.gz
│ download portage://dev-lang/tk-8.6.17
│ └─ file ─┤ 4.38 Mb tk8.6.17-src.tar.gz
└─step 2─┤ install portage://dev-lang/tk-8.6.17
│ └─ conf ─┤ USE = "threads* truetype* -debug -test -xscreensaver"
│ │ SLOT = "0/8.6"
└─step 3─┤ run portage://dev-lang/tk-8.6.17
└─step 4─┤ install portage://app-dicts/bookview-3.2.1
└─step 5─┤ run portage://app-dicts/bookview-3.2.1
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
4.68 Mb to be downloaded.