portage-ng --merge
>>> Emerging : portage://media-libs/zxing-cpp-3.1.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/stb-20260415-r1
│ └─ file ─┤ 1.45 Mb stb-20260415.tar.gz
│ download portage://media-libs/zint-2.16.0
│ └─ file ─┤ 6.13 Mb zint-2.16.0-src.tar.gz
│ download portage://media-libs/zxing-cpp-3.1.1
│ └─ file ─┤ 1.55 Mb zxing-cpp-3.1.1.tar.gz
└─step 2─┤ install portage://media-libs/zint-2.16.0
│ └─ conf ─┤ USE = "png* -gui -test"
│ │ SLOT = "0/2.16"
│ install portage://dev-libs/stb-20260415-r1
└─step 3─┤ run portage://media-libs/zint-2.16.0
└─step 4─┤ install portage://media-libs/zxing-cpp-3.1.1
│ └─ conf ─┤ USE = "-test -tools"
│ │ SLOT = "0/4"
└─step 5─┤ run portage://media-libs/zxing-cpp-3.1.1
Total: 8 actions (3 downloads, 3 installs, 2 runs), grouped into 5 steps.
9.12 Mb to be downloaded.