# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="4"

CABAL_FEATURES="bin"
inherit base eutils haskell-cabal autotools

DESCRIPTION="Happy is a parser generator for Haskell"
HOMEPAGE="http://www.haskell.org/happy/"
SRC_URI="mirror://hackage/packages/archive/${PN}/${PV}/${P}.tar.gz"

LICENSE="BSD"
SLOT="0"
KEYWORDS="alpha amd64 ia64 ppc ppc64 sparc x86"
IUSE="doc"

RDEPEND=""
DEPEND="${RDEPEND}
		>=dev-haskell/cabal-1.2.3
		>=dev-haskell/mtl-1.0
		>=dev-lang/ghc-6.8.2 <dev-lang/ghc-7.8
		doc? (  ~app-text/docbook-xml-dtd-4.2
				app-text/docbook-xsl-stylesheets )"

PATCHES=("${FILESDIR}/${PN}-1.18.6-man.patch"
	"${FILESDIR}/${PN}-1.18.9-missing-tests.patch")

src_prepare() {
	base_src_prepare

	use doc && cd doc && eautoconf
}

src_configure() {
	cabal_src_configure

	if use doc; then
		cd doc && econf || die "econf failed in /doc"
	fi
}

src_compile() {
	cabal_src_compile

	if use doc; then
		cd doc && emake -j1 || die "emake failed in /doc"
	fi
}

src_test() {
	emake -C "${S}/tests/" || die "emake for tests failed"
}

src_install() {
	cabal_src_install
	if use doc; then
		cd doc
		dohtml -r happy/*
		doman "${S}/doc/happy.1"
	fi
}