# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-physics/hepmc/hepmc-2.06.06.ebuild,v 1.1 2011/12/17 16:55:13 bicatali Exp $

EAPI=4

inherit eutils

MYP=HepMC-${PV}

DESCRIPTION="Event Record for Monte Carlo Generators"
HOMEPAGE="https://savannah.cern.ch/projects/hepmc/"
SRC_URI="http://lcgapp.cern.ch/project/simu/HepMC/download/${MYP}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="doc examples gev cm static-libs"

RDEPEND=""
DEPEND="${RDEPEND}
	doc? ( app-doc/doxygen )"

S="${WORKDIR}/${MYP}"

src_prepare() {
  sed -i \
	  -e 's/2\.06\.05/2\.06\.06/g' \
	  test/test*.dat test/test*.output || die
}

src_configure() {
	# use MeV over GeV and mm over cm
	local length_conf="MM"
	use cm && length_conf="CM"
	local momentum_conf="MEV"
	use gev && momentum_conf="GEV"
	econf \
		--with-length=${length_conf} \
		--with-momentum=${momentum_conf} \
		$(use_enable static-libs static)
}

src_compile() {
	emake
	if use doc; then
		cd doc
		doxygen doxygen.conf || die "doc building failed"
	fi
}

src_install() {
	emake \
		DESTDIR="${ED}" \
		INSTALLDIR="${EPREFIX}/usr/share/doc/${PF}/examples" \
		doc_installdir="${EPREFIX}/usr/share/doc/${PF}" \
		install

	insinto /usr/share/doc/${PF}
	if use doc; then
		doins -r doc/html doc/*.pdf
	else
		rm -f "${ED}"/usr/share/doc/${PF}/*pdf
	fi
	use examples || rm -rf "${ED}"/usr/share/doc/${PF}/examples
}