portage-ng --merge
>>> Emerging : portage://media-gfx/autopano-sift-C-2.5.1-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://media-gfx/autopano-sift-C-2.5.1-r2
│ └─ file ─┤ 187.76 Kb autopano-sift-C-2.5.1.tar.gz
│ download portage://media-libs/libpano13-2.9.23
│ └─ file ─┤ 2.72 Mb libpano13-2.9.23.tar.gz
└─step 2─┤ install portage://media-libs/libpano13-2.9.23
│ └─ conf ─┤ USE = "-java -static-libs -suitesparse"
│ │ SLOT = "0/3"
└─step 3─┤ run portage://media-libs/libpano13-2.9.23
└─step 4─┤ install portage://media-gfx/autopano-sift-C-2.5.1-r2
└─step 5─┤ run portage://media-gfx/autopano-sift-C-2.5.1-r2
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
2.91 Mb to be downloaded.