Install this version:
emerge -a =dev-haskell/monoid-extras-0.6.5If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-haskell/monoid-extras-0.6.5Or alternatively:
emerge --autounmask-write -a =dev-haskell/monoid-extras-0.6.5# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
# ebuild generated by hackport 0.9.0.0
CABAL_FEATURES="lib profile haddock hoogle hscolour"
inherit haskell-cabal
DESCRIPTION="Various extra monoid-related definitions and utilities"
HOMEPAGE="https://hackage.haskell.org/package/monoid-extras"
LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86"
RDEPEND="<dev-haskell/groups-0.6:=[profile?]
>=dev-haskell/semigroupoids-4.0:=[profile?] <dev-haskell/semigroupoids-6.1:=[profile?]
>=dev-lang/ghc-9.0.2:=
"
DEPEND="${RDEPEND}
>=dev-haskell/cabal-3.4.1.0
"
<dev-haskell/groups-0.6:=[profile?] >=dev-haskell/semigroupoids-4.0:=[profile?] <dev-haskell/semigroupoids-6.1:=[profile?] >=dev-lang/ghc-9.0.2:= >=dev-haskell/cabal-3.4.1.0
<dev-haskell/groups-0.6:=[profile?] >=dev-haskell/semigroupoids-4.0:=[profile?] <dev-haskell/semigroupoids-6.1:=[profile?] >=dev-lang/ghc-9.0.2:=