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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] sys-process/numactl-2.0.19::gentoo  USE="-static-libs" 441 KiB

Total: 1 package (1 new), Size of downloads: 441 KiB