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

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

[ebuild  N     ] media-libs/libmad-0.15.1b-r10::gentoo  USE="-debug -static-libs" 491 KiB

Total: 1 package (1 new), Size of downloads: 491 KiB