Install this version:
emerge -a =dev-perl/X500-DN-0.290.0# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DIST_AUTHOR=RJOOP
DIST_VERSION=0.29
inherit perl-module
DESCRIPTION="handle X.500 DNs (Distinguished Names), parse and format them"
SLOT="0"
KEYWORDS="~alpha amd64 arm ppc ~s390 ~sparc x86"
RDEPEND="
dev-perl/Parse-RecDescent
"
BDEPEND="${RDEPEND}"