portage-ng --merge
>>> Emerging : portage://sys-boot/gnu-efi-3.0.19:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-boot/gnu-efi-3.0.19
│ └─ file ─┤ 213.46 Kb gnu-efi-3.0.19.tar.gz
└─step 2─┤ install portage://sys-boot/gnu-efi-3.0.19
│ └─ conf ─┤ USE = "(-custom-cflags)"
└─step 3─┤ run portage://sys-boot/gnu-efi-3.0.19
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
213.46 Kb to be downloaded.