>>> Emerging : portage://dev-lang/gprolog-1.5.0-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-lang/gprolog-1.5.0-r1
             │           └─ file ─┤ 3.64 Mb  	 gprolog-1.5.0.tar.gz

 └─step  2─┤ install   portage://dev-lang/gprolog-1.5.0-r1
             │           └─ conf ─┤ USE = "-debug -doc -examples"

 └─step  3─┤ run     portage://dev-lang/gprolog-1.5.0-r1

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