portage-ng --merge
>>> Emerging : portage://dev-libs/xerces-c-3.3.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://dev-libs/xerces-c-3.3.0
│ └─ file ─┤ 4.11 Mb xerces-c-3.3.0.tar.xz
└─step 2─┤ install portage://dev-libs/xerces-c-3.3.0
│ └─ conf ─┤ USE = "iconv threads* -curl -doc -examples -icu -static-libs -test"
│ │ CPU_FLAGS_X86 = "sse2*"
│ │ SLOT = "0/3.3"
└─step 3─┤ run portage://dev-libs/xerces-c-3.3.0
Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
4.11 Mb to be downloaded.