portage-ng --merge
>>> Emerging : portage://sci-biology/raxml-8.2.13:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-biology/raxml-8.2.13
│ └─ file ─┤ 9.73 Mb raxml-8.2.13.tar.gz
└─step 2─┤ install portage://sci-biology/raxml-8.2.13
│ └─ conf ─┤ USE = "threads*"
│ │ CPU_FLAGS_X86 = "sse3*"
└─step 3─┤ run portage://sci-biology/raxml-8.2.13
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
9.73 Mb to be downloaded.