portage-ng --merge
>>> Emerging : portage://dev-embedded/dfu-programmer-1.1.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-embedded/dfu-programmer-1.1.0
│ └─ file ─┤ 145.67 Kb dfu-programmer-1.1.0.tar.gz
│ download portage://dev-libs/libusb-1.0.30
│ └─ file ─┤ 640.73 Kb libusb-1.0.30.tar.bz2
└─step 2─┤ install portage://acct-group/plugdev-0-r3
│ install portage://dev-libs/libusb-1.0.30
│ └─ conf ─┤ USE = "-debug -doc -examples -static-libs -test -udev -verify-sig"
│ │ SLOT = "1"
└─step 3─┤ run portage://acct-group/plugdev-0-r3
│ run portage://dev-libs/libusb-1.0.30
└─step 4─┤ install portage://virtual/libusb-1-r2
│ └─ conf ─┤ USE = "-udev"
│ │ SLOT = "1"
└─step 5─┤ run portage://virtual/libusb-1-r2
└─step 6─┤ install portage://dev-embedded/dfu-programmer-1.1.0
└─step 7─┤ run portage://dev-embedded/dfu-programmer-1.1.0
Total: 10 actions (2 downloads, 4 installs, 4 runs), grouped into 7 steps.
786.40 Kb to be downloaded.