>>> Emerging : portage://sci-libs/fftw-3.3.10-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-libs/fftw-3.3.10-r1
             │           └─ file ─┤ 3.95 Mb  	 fftw-3.3.10.tar.gz

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