>>> Emerging : portage://sci-mathematics/yafu-1.34.3-r2:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-mathematics/gmp-ecm-7.0.6-r1
             │           └─ file ─┤ 948.88 Kb  	 ecm-7.0.6.tar.gz
             │ download  portage://sci-mathematics/yafu-1.34.3-r2
             │           └─ file ─┤ 670.56 Kb  	 yafu-1.34-src.zip

 └─step  2─┤ install   portage://sci-mathematics/gmp-ecm-7.0.6-r1
             │           └─ conf ─┤ USE = "openmp custom-tune"
             │                    │ CPU_FLAGS_X86 = "sse2*"

 └─step  3─┤ run       portage://sci-mathematics/gmp-ecm-7.0.6-r1

 └─step  4─┤ install   portage://sci-mathematics/yafu-1.34.3-r2

 └─step  5─┤ run     portage://sci-mathematics/yafu-1.34.3-r2

Total: 6 actions (2 downloads, 2 installs, 2 runs), grouped into 5 steps.
       1.58 Mb to be downloaded.