portage-ng --merge
>>> Emerging : portage://sci-biology/t-coffee-11.00-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sci-biology/clustalw-2.1-r2
│ └─ file ─┤ 342.54 Kb clustalw-2.1.tar.gz
│ download portage://sci-biology/t-coffee-11.00-r3
│ └─ file ─┤ 3.34 Mb T-COFFEE_distribution_Version_11.00.4466924.tar.gz
│ download portage://sci-chemistry/tm-align-20150914-r1
│ └─ file ─┤ 959.91 Kb TMtools20150914.tar.gz
└─step 2─┤ install portage://virtual/fortran-0-r1
│ └─ conf ─┤ USE = "openmp"
│ install portage://sci-biology/clustalw-2.1-r2
│ └─ conf ─┤ SLOT = "2"
└─step 3─┤ run portage://sci-biology/clustalw-2.1-r2
│ run portage://virtual/fortran-0-r1
└─step 4─┤ install portage://sci-chemistry/tm-align-20150914-r1
│ └─ conf ─┤ USE = "-custom-cflags"
└─step 5─┤ run portage://sci-chemistry/tm-align-20150914-r1
└─step 6─┤ install portage://sci-biology/t-coffee-11.00-r3
└─step 7─┤ run portage://sci-biology/t-coffee-11.00-r3
Total: 11 actions (3 downloads, 4 installs, 4 runs), grouped into 7 steps.
4.61 Mb to be downloaded.