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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] media-libs/audiofile-0.3.6-r6:0/1::gentoo  USE="-flac" 519 KiB

Total: 1 package (1 new), Size of downloads: 519 KiB