Install this version:
emerge -a =dev-ruby/kissfft-0.0.2
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-ruby/kissfft-0.0.2
Or alternatively:
emerge --autounmask-write -a =dev-ruby/kissfft-0.0.2
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
USE_RUBY="ruby32 ruby33 ruby34 ruby40"
RUBY_FAKEGEM_TASK_TEST=""
RUBY_FAKEGEM_EXTENSIONS=(ext/kissfft/extconf.rb)
inherit ruby-fakegem
DESCRIPTION="ruby interface to kissfft"
HOMEPAGE="https://rubygems.org/gems/kissfft"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~arm ~x86"
each_ruby_perpare() {
mkdir lib || die
}