sci-mathematics/normaliz/normaliz-2.8.ebuild


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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-mathematics/normaliz/normaliz-2.8.ebuild,v 1.1 2012/11/12 03:15:19 tomka Exp $

EAPI=4

inherit eutils toolchain-funcs

MYP="Normaliz${PV}"

DESCRIPTION="tool for computations in affine monoids and more"
HOMEPAGE="http://www.mathematik.uni-osnabrueck.de/normaliz/"
SRC_URI="http://www.mathematik.uni-osnabrueck.de/${PN}/${MYP}/${MYP}.zip"

LICENSE="GPL-3"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="extras openmp"

RDEPEND="dev-libs/gmp[cxx]"
DEPEND="${RDEPEND}
	app-arch/unzip
	dev-libs/boost"
# Only a boost header is needed -> not RDEPEND

S=${WORKDIR}/${MYP}

src_prepare () {
	epatch "${FILESDIR}/${P}-respect-flags.patch"

	if use openmp && tc-has-openmp; then
		export OPENMP=yes
	else
		export OPENMP=no
	fi
}

src_compile(){
	emake CXX="$(tc-getCXX)" OPENMP="${OPENMP}" -C source
}

src_install() {
	dobin source/normaliz
	dodoc doc/"${MYP}Documentation.pdf"
	if use extras; then
		elog "You have selected to install extras which consist of Macaulay2"
		elog "and Singular packages. These have been installed into "
		elog "/usr/share/${PN}, and cannot be used without additional setup. Please refer"
		elog "to the homepages of the respective projects for additional information."
		elog "Note however, Gentoo's versions of Singular and Macaulay2 bring their own"
		elog "copies of these interface packages. Usually you don't need normaliz's versions."
		insinto "/usr/share/${PN}"
		doins Singular/normaliz.lib
		doins Macaulay2/Normaliz.m2
	fi
}