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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit eutils toolchain-funcs versionator
MYPV=$(get_version_component_range 1-2)
MYP="Normaliz${MYPV}"
DESCRIPTION="Tool for computations in affine monoids and more"
HOMEPAGE="http://www.mathematik.uni-osnabrueck.de/normaliz/"
SRC_URI="https://www.normaliz.uni-osnabrueck.de/wp-content/uploads/2016/04/Normaliz${PV}.zip"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="amd64 ~arm x86"
IUSE="doc extras openmp"
RDEPEND="dev-libs/gmp[cxx]"
DEPEND="${RDEPEND}
app-arch/unzip
dev-libs/boost"
# Only a boost header is needed -> not RDEPEND
S=${WORKDIR}/${MYP}
src_prepare() {
epatch "${FILESDIR}/${PN}-3.0.0-respect-flags.patch"
# Respect users AR tool (Bug 474532)
sed -e "s:ar -cr:$(tc-getAR) -cr:" -i source/libnormaliz/Makefile || die
if use openmp && tc-has-openmp; then
export OPENMP=yes
else
export OPENMP=no
fi
}
src_compile() {
emake CXX="$(tc-getCXX)" OPENMP="${OPENMP}" -C source
}
src_install() {
dobin source/normaliz
if use doc ; then
dodoc doc/"Normaliz.pdf"
dodoc doc/"NmzIntegrate.pdf"
fi
if use extras; then
elog "You have selected to install extras which consist of Macaulay2"
elog "and Singular packages. These have been installed into "
elog "/usr/share/${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
}
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