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

Calculating dependencies ... done!
Dependency resolution took 1.55 s (backtrack: 0/20).

[ebuild     U  ] dev-build/automake-1.18.1-r1:1.18::gentoo [1.18.1:1.18::gentoo] USE="-test -verify-sig" 1614 KiB

Total: 1 package (1 upgrade), Size of downloads: 1614 KiB