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

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] acct-group/ftp-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/root-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/ftp-0-r5::gentoo  0 KiB
[ebuild  N     ] net-ftp/ftpbase-0.01-r6::gentoo  USE="pam zeroconf" 0 KiB
[ebuild  N     ] net-ftp/proftpd-1.3.9b::gentoo  USE="acl caps ncurses nls pam pcre sqlite ssl -authfile -ban -case -clamav -copy -ctrls -deflate -diskuse -dso -dynmasq -exec -ident -ifsession -ifversion -kerberos -ldap -log-forensic -memcache -msg -mysql -postgres -qos -radius -ratio -readme -rewrite (-selinux) -sftp -shaper -sitemisc -snmp -sodium -softquota -tcpd -test -unique-id -verify-sig -vroot" 19393 KiB

Total: 5 packages (5 new), Size of downloads: 19393 KiB