>>> Emerging : portage://sci-mathematics/gappa-1.4.1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-build/b2-5.5.3
             │           └─ file ─┤ 1.17 Mb  	 b2-5.5.3.tar.gz
             │ download  portage://dev-libs/boost-1.91.0-r2
             │           └─ file ─┤ 195.10 Mb  	 boost_1_91_0.tar.bz2
             │ download  portage://sci-mathematics/gappa-1.4.1
             │           └─ file ─┤ 379.21 Kb  	 gappa-1.4.1.tar.gz

Total: 3 actions (3 downloads), grouped into 1 step.
       196.64 Mb to be downloaded.