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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit flag-o-matic
DESCRIPTION="research tool for polyhedral geometry and combinatorics"
SRC_URI="https://polymake.org/lib/exe/fetch.php/download/polymake-3.0r2.tar.bz2"
HOMEPAGE="https://polymake.org"
IUSE="+cdd lrs ppl bliss group +libnormaliz singular libpolymake"
REQUIRED_USE="group? ( cdd lrs )"
SLOT="0"
LICENSE="GPL-2"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
DEPEND="dev-lang/perl
dev-libs/gmp:0=
dev-libs/mpfr:0
dev-libs/libxml2:2
dev-libs/libxslt
ppl? ( dev-libs/ppl )
cdd? ( sci-libs/cddlib )
lrs? ( >=sci-libs/lrslib-051[gmp] )
bliss? ( sci-libs/bliss[gmp] )
group? ( dev-libs/boost:= )
libnormaliz? ( dev-libs/boost:= )
singular? ( >=sci-mathematics/singular-4.0.1 )"
RDEPEND="${DEPEND}
dev-perl/XML-LibXML
dev-perl/XML-LibXSLT
dev-perl/XML-Writer
dev-perl/Term-ReadLine-Gnu"
S="${WORKDIR}/${PN}-3.0"
pkg_pretend() {
einfo "During compile this package uses up to"
einfo "750MB of RAM per process. Use MAKEOPTS=\"-j1\" if"
einfo "you run into trouble."
}
src_configure() {
export CXXOPT=$(get-flag -O)
# We need to define BLISS_USE_GMP if bliss was built with gmp support.
# Therefore we require gmp support on bliss, so that the package
# manager can prevent rebuilds with changed gmp flag.
if use bliss ; then
append-cxxflags -DBLISS_USE_GMP
fi
# Configure does not accept --host, therefore econf cannot be used
# Some of the options do not support using just '--with-option'
local myconf=""
use !group && myconf="$myconf --without-group"
use !libnormaliz && myconf="$myconf --without-libnormaliz"
use !libpolymake && myconf="$myconf --without-callable"
# And many other --with-arguments expect a path: --with-option=/path
./configure --prefix="${EPREFIX}/usr" \
--libdir="${EPREFIX}/usr/$(get_libdir)" \
--libexecdir="${EPREFIX}/usr/$(get_libdir)/polymake" \
--without-prereq \
--without-java \
$(use_with cdd cdd "${EPREFIX}/usr") \
$(use_with lrs lrs "${EPREFIX}/usr") \
$(use_with ppl ppl "${EPREFIX}/usr") \
$(use_with bliss bliss "${EPREFIX}/usr") \
$(use_with singular singular "${EPREFIX}/usr") \
${myconf} || die
}
src_install() {
emake -j1 DESTDIR="${D}" install
}
pkg_postinst() {
elog "Docs can be found on https://www.polymake.org/doku.php/documentation"
elog " "
elog "Support for jreality is missing, sorry (see bug #346073)."
elog " "
elog "Additional features for polymake are available through external"
elog "software such as sci-mathematics/4ti2 and sci-mathematics/topcom."
elog "After installing new external software run 'polymake --reconfigure'."
}
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