portage-ng --merge
>>> Emerging : portage://media-libs/tremor-0_pre20130223-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-libs/libogg-1.3.6
│ └─ file ─┤ 429.64 Kb libogg-1.3.6.tar.xz
│ download portage://media-libs/tremor-0_pre20130223-r3
│ └─ file ─┤ 107.52 Kb tremor-0_pre20130223.tar.xz
└─step 2─┤ install portage://media-libs/libogg-1.3.6
│ └─ conf ─┤ USE = "-static-libs"
└─step 3─┤ run portage://media-libs/libogg-1.3.6
└─step 4─┤ install portage://media-libs/tremor-0_pre20130223-r3
│ └─ conf ─┤ USE = "-low-accuracy"
└─step 5─┤ run portage://media-libs/tremor-0_pre20130223-r3
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
537.16 Kb to be downloaded.