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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] media-libs/babl-0.1.128::gentoo  USE="-gtk-doc -introspection -lcms -vala" CPU_FLAGS_X86="avx2 f16c mmx sse sse2 sse4_1" 326 KiB

Total: 1 package (1 new), Size of downloads: 326 KiB