portage-ng --merge
>>> Emerging : portage://sci-misc/lttoolbox-3.7.6:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/utfcpp-4.0.6
│ └─ file ─┤ 33.35 Kb utfcpp-4.0.6.tar.gz
│ download portage://sci-misc/lttoolbox-3.7.6
│ └─ file ─┤ 168.64 Kb lttoolbox-3.7.6.tar.bz2
└─step 2─┤ install portage://dev-libs/utfcpp-4.0.6
│ └─ conf ─┤ USE = "-test"
└─step 3─┤ run portage://dev-libs/utfcpp-4.0.6
└─step 4─┤ install portage://sci-misc/lttoolbox-3.7.6
│ └─ conf ─┤ SLOT = "0/3"
└─step 5─┤ run portage://sci-misc/lttoolbox-3.7.6
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
201.99 Kb to be downloaded.