portage-ng --merge
>>> Emerging : portage://dev-games/irrlicht-1.8.5:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-games/irrlicht-1.8.5
│ └─ file ─┤ 4.70 Kb irrlicht-1.8.4-patchset.tar.bz2
│ │ 20.82 Mb irrlicht-1.8.5.zip
│ download portage://dev-games/irrlicht-headers-1.8.5
│ └─ file ─┤ 4.70 Kb irrlicht-1.8.4-patchset.tar.bz2
│ │ 20.82 Mb irrlicht-1.8.5.zip
└─step 2─┤ install portage://dev-games/irrlicht-headers-1.8.5
└─step 3─┤ run portage://dev-games/irrlicht-headers-1.8.5
└─step 4─┤ install portage://dev-games/irrlicht-1.8.5
│ └─ conf ─┤ USE = "-debug -doc"
└─step 5─┤ run portage://dev-games/irrlicht-1.8.5
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
41.64 Mb to be downloaded.