portage-ng --merge
>>> Emerging : portage://app-mobilephone/gammu-1.45.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://app-mobilephone/gammu-1.45.0
│ └─ file ─┤ 2.49 Mb Gammu-1.45.0.tar.zst
│ download portage://dev-libs/libgudev-238-r2
│ └─ file ─┤ 29.83 Kb libgudev-238.tar.xz
└─step 2─┤ install portage://dev-libs/libgudev-238-r2
│ └─ conf ─┤ USE = "-introspection* -test"
│ │ SLOT = "0/0"
└─step 3─┤ run portage://dev-libs/libgudev-238-r2
└─step 4─┤ install portage://app-mobilephone/gammu-1.45.0
│ └─ conf ─┤ USE = "nls -bluetooth -curl -dbi -debug -irda -mysql -odbc -postgres -usb"
└─step 5─┤ run portage://app-mobilephone/gammu-1.45.0
Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
2.52 Mb to be downloaded.