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

Calculating dependencies ... done!
Dependency resolution took 1.01 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/pure-ftpd-1.0.53::gentoo  USE="pam ssl -anondel -anonperm -anonren -anonres -caps -implicittls -ldap -mysql -noiplog -paranoidmsg -postgres -resolveids (-selinux) -sysquota -vchroot -xinetd" 517 KiB

Total: 5 packages (5 new), Size of downloads: 517 KiB