(dev-lang/perl-5.24.1_rc4:0/5.24::gentoo, installed) pulled in by
    =dev-lang/perl-5.24* required by (virtual/perl-Module-Metadata-1.0.31-r1:0/0::gentoo, ebuild scheduled for merge)
    ^              ^^^^^
    dev-lang/perl:0/5.24=[-build(-)] required by (dev-perl/XML-Parser-2.440.0:0/0::gentoo, installed)
                 ^^^^^^^^
    (and 28 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-ExtUtils-Install-2.40.0-r2:0/0::gentoo, installed)
                 ^^^^^^^^
    (and 5 more with the same problem)