>>> Emerging : portage://sci-mathematics/spin-6.5.2-r1:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-mathematics/spin-6.5.2-r1
             │           └─ file ─┤ 5.80 Mb  	 spin-6.5.2.tar.gz

 └─step  2─┤ install   portage://sci-mathematics/spin-6.5.2-r1
             │           └─ conf ─┤ USE = "-doc -examples -graphviz -tk"

 └─step  3─┤ run     portage://sci-mathematics/spin-6.5.2-r1

Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
       5.80 Mb to be downloaded.