portage-ng --merge
>>> Emerging : portage://net-libs/wvstreams-4.6.1_p14-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://net-libs/wvstreams-4.6.1_p14-r3
│ └─ file ─┤ 20.63 Kb wvstreams_4.6.1-14.debian.tar.xz
│ │ 1.07 Mb wvstreams_4.6.1.orig.tar.gz
└─step 2─┤ install portage://net-libs/wvstreams-4.6.1_p14-r3
│ └─ conf ─┤ USE = "dbus* pam -boost -debug -doc"
└─step 3─┤ run portage://net-libs/wvstreams-4.6.1_p14-r3
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
1.09 Mb to be downloaded.