>>> Emerging : portage://dev-build/b2-5.4.2:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-build/b2-5.4.2
             │           └─ file ─┤ 1.15 Mb  	 b2-5.4.2.tar.gz

 └─step  2─┤ install   portage://dev-build/b2-5.4.2
             │           └─ conf ─┤ USE = "-examples"

 └─step  3─┤ run     portage://dev-build/b2-5.4.2

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