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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
# ebuild generated by hackport 0.6.6.9999
#hackport: flags: -two,+mtl,-generic-deriving
CABAL_FEATURES="lib profile haddock hoogle hscolour"
# break circular dependencies:
# https://github.com/gentoo-haskell/gentoo-haskell/issues/810
CABAL_FEATURES+=" nocabaldep"
inherit haskell-cabal
DESCRIPTION="A small compatibility shim for the transformers library"
HOMEPAGE="https://github.com/ekmett/transformers-compat/"
SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux"
IUSE=""
RDEPEND=">=dev-haskell/fail-4.9:=[profile?] <dev-haskell/fail-4.10:=[profile?]
>=dev-haskell/mtl-2.1:=[profile?]
>=dev-haskell/transformers-0.3:=[profile?]
>=dev-lang/ghc-7.8.2:=
"
DEPEND="${RDEPEND}
"
src_configure() {
local tf3_arg=()
if has_version '=dev-haskell/transformers-0.3*'; then
tf3_arg+=(--flag=three)
else
tf3_arg+=(--flag=-three)
fi
local tf4_arg=()
if has_version '=dev-haskell/transformers-0.4*'; then
tf4_arg+=(--flag=four)
else
tf4_arg+=(--flag=-four)
fi
local tf5_arg=()
if has_version '=dev-haskell/transformers-0.5*'; then
if has_version '>dev-haskell/transformers-0.5.3'; then
tf5_arg+=(--flag=-five)
else
tf5_arg+=(--flag=five)
fi
else
tf5_arg+=(--flag=-five)
fi
haskell-cabal_src_configure \
--flag=-generic-deriving \
--flag=mtl \
--flag=-two \
${tf3_arg[@]} \
${tf4_arg[@]} \
${tf5_arg[@]}
}
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