!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

dev-lang/perl:0

  (dev-lang/perl-5.24.1_rc4:0/5.24::gentoo, installed) pulled in by
    =dev-lang/perl-5.24.1* required by (virtual/perl-Parse-CPAN-Meta-1.441.700.100_rc:0/0::gentoo, installed)
    ^              ^^^^^^^

    dev-lang/perl:0/5.24=[-build(-)] required by (app-text/po4a-0.45-r3:0/0::gentoo, installed)
                 ^^^^^^^^
    (and 58 more with the same problems)

  (dev-lang/perl-5.22.2:0/5.22::gentoo, ebuild scheduled for merge) pulled in by
    dev-lang/perl:0/5.22= required by (virtual/perl-Text-ParseWords-3.300.0-r2:0/0::gentoo, installed)
                 ^^^^^^^^
    (and 2 more with the same problem)