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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-build/automake-vanilla-1.19:1.19::gentoo  USE="-test" 1644 KiB

Total: 1 package (1 new), Size of downloads: 1644 KiB