portage-ng --merge
>>> Emerging : portage://dev-libs/libusb-1.0.27-r1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/libusb-1.0.27-r1
│ └─ file ─┤ 628.59 Kb libusb-1.0.27.tar.bz2
└─step 2─┤ install portage://dev-libs/libusb-1.0.27-r1
│ └─ conf ─┤ USE = "-debug -doc -examples -static-libs -test -udev"
│ │ SLOT = "1"
└─step 3─┤ run portage://dev-libs/libusb-1.0.27-r1
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
628.59 Kb to be downloaded.