>>> Emerging : portage://sci-libs/matio-1.5.28:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-libs/matio-1.5.28
             │           └─ file ─┤ 9.66 Mb  	 matio-1.5.28.tar.gz

Total: 1 action (1 download), grouped into 1 step.
       9.66 Mb to be downloaded.