Install this version:
emerge -a =dev-ruby/ruby-poppler-4.3.6
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-ruby/ruby-poppler-4.3.6
Or alternatively:
emerge --autounmask-write -a =dev-ruby/ruby-poppler-4.3.6
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
USE_RUBY="ruby32 ruby33 ruby34 ruby40"
inherit ruby-ng-gnome2
DESCRIPTION="Ruby poppler-glib bindings"
KEYWORDS="~amd64 ~ppc ~riscv ~x86"
RDEPEND="app-text/poppler[cairo,introspection]"
DEPEND="${RDEPEND}"
ruby_add_rdepend "
~dev-ruby/ruby-cairo-gobject-${PV}
~dev-ruby/ruby-gio2-${PV}
"
app-text/poppler[cairo,introspection]
app-text/poppler[cairo,introspection]