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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit toolchain-funcs eutils
DESCRIPTION="Self-contained C implementation of the reverse search algorithm"
HOMEPAGE="http://cgm.cs.mcgill.ca/~avis/C/lrs.html"
SRC_URI="http://cgm.cs.mcgill.ca/~avis/C/lrslib/archive/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 ~arm x86 ~amd64-linux ~x86-linux"
IUSE="gmp mpi"
RDEPEND="gmp? ( dev-libs/gmp:0=
mpi? ( virtual/mpi ) )"
DEPEND="${RDEPEND}"
src_prepare() {
default
tc-export CC
sed -e "s/gcc/$(tc-getCC)/g" \
-e "s/g++/$(tc-getCXX)/g" \
-e "s/-O3/${CFLAGS}/g" \
-e 's/$(CC) -shared/$(CC) $(LDFLAGS) -shared/' \
-e "s,/usr/local,${EPREFIX}/usr,g" \
-e "s,/lib,/$(get_libdir),g" \
-i makefile || die
}
src_compile() {
if use gmp ; then
emake
emake all-shared
use mpi && emake mplrs
else
emake allmp
fi
}
src_install() {
emake DESTDIR="${D}" prefix="${EPREFIX}/usr" install-common
if use gmp; then
emake DESTDIR="${D}" install-shared prefix="${EPREFIX}/usr"
use mpi && dobin mplrs
fi
dodoc README
}
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