portage-ng --merge
>>> Emerging : portage://sys-libs/libavc1394-0.5.4-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-libs/libavc1394-0.5.4-r2
│ └─ file ─┤ 333.67 Kb libavc1394-0.5.4.tar.gz
│ download portage://sys-libs/libraw1394-2.1.2-r1
│ └─ file ─┤ 305.78 Kb libraw1394-2.1.2.tar.xz
└─step 2─┤ install portage://sys-libs/libraw1394-2.1.2-r1
│ └─ conf ─┤ USE = "-valgrind"
└─step 3─┤ run portage://sys-libs/libraw1394-2.1.2-r1
└─step 4─┤ install portage://sys-libs/libavc1394-0.5.4-r2
└─step 5─┤ run portage://sys-libs/libavc1394-0.5.4-r2
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
639.45 Kb to be downloaded.