>>> Emerging : portage://sci-libs/dmlc-core-0_p20170719-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-libs/dmlc-core-0_p20170719-r1
             │           └─ file ─┤ 156.49 Kb  	 dmlc-core-0_p20170719.tar.gz

 └─step  2─┤ install   portage://sci-libs/dmlc-core-0_p20170719-r1
             │           └─ conf ─┤ USE = "openmp -doc -s3 -test"

 └─step  3─┤ run     portage://sci-libs/dmlc-core-0_p20170719-r1

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