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

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

[ebuild  N     ] gui-libs/eglexternalplatform-1.2.1::gentoo  11 KiB
[ebuild  N     ] gui-libs/egl-gbm-1.1.3::gentoo  18 KiB

Total: 2 packages (2 new), Size of downloads: 29 KiB