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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
# ebuild generated by hackport 0.3.4.9999
CABAL_FEATURES="bin test-suite"
inherit eutils haskell-cabal autotools
DESCRIPTION="Happy is a parser generator for Haskell"
HOMEPAGE="http://www.haskell.org/happy/"
SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~ppc64 ~x86"
IUSE="doc"
RDEPEND=""
DEPEND="${RDEPEND}
>=dev-haskell/cabal-1.8
>=dev-haskell/mtl-1.0
>=dev-lang/ghc-6.10.4
doc? ( ~app-text/docbook-xml-dtd-4.2
app-text/docbook-xsl-stylesheets )
"
src_prepare() {
for f in AttrGrammarParser Parser; do
# drop broken autogenerated
mv "dist/build/happy/happy-tmp/$f.hs" src/ || die
# drop depend on itself, otherwise cabal tries to regenerate it
rm "src/$f.ly" || die
done
use doc && cd doc && eautoconf
}
src_configure() {
# '--with-happy=false' allows detecting circular
# depends even when 'happy' is installed in system
haskell-cabal_src_configure --with-happy=false
if use doc; then
# does not like out-of-source builds
cd doc || die
econf
fi
}
src_compile() {
haskell-cabal_src_compile
if use doc; then
emake -C doc -j1
fi
}
src_install() {
haskell-cabal_src_install
if use doc; then
cd doc || die
dohtml -r happy/*
doman "${S}/doc/happy.1"
fi
}
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