portage-ng --merge
>>> Emerging : portage://app-text/gv-3.7.4:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-text/gv-3.7.4
│ └─ file ─┤ 741.49 Kb gv-3.7.4.tar.gz
│ download portage://x11-libs/libXaw3d-1.6.6
│ └─ file ─┤ 470.74 Kb libXaw3d-1.6.6.tar.xz
└─step 2─┤ install portage://x11-libs/libXaw3d-1.6.6
│ └─ conf ─┤ USE = "-xpm"
└─step 3─┤ run portage://x11-libs/libXaw3d-1.6.6
└─step 4─┤ install portage://app-text/gv-3.7.4
│ └─ conf ─┤ USE = "-xinerama"
└─step 5─┤ run portage://app-text/gv-3.7.4
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
1.18 Mb to be downloaded.