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# Copyright 1999-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit toolchain-funcs
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DESCRIPTION="Self-contained C implementation of the reverse search algorithm"
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HOMEPAGE="http://cgm.cs.mcgill.ca/~avis/C/lrs.html"
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SRC_URI="http://cgm.cs.mcgill.ca/~avis/C/lrslib/archive/${P}.tar.gz"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="amd64 ~arm ~x86 ~amd64-linux ~x86-linux"
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IUSE="gmp mpi"
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RDEPEND="
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gmp? (
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dev-libs/gmp:0=
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mpi? ( virtual/mpi )
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)"
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DEPEND="${RDEPEND}"
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src_prepare() {
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default
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tc-export CC
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sed -e "s/-O3/${CFLAGS}/g" \
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-e 's/$(CC) -shared/$(CC) $(LDFLAGS) -shared/' \
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-e "s,/usr/local,${EPREFIX}/usr,g" \
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-e "s,/lib,/$(get_libdir),g" \
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-i makefile || die
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}
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src_compile() {
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if use gmp ; then
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emake
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emake all-shared
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use mpi && emake mplrs
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else
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emake allmp
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fi
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}
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src_install() {
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emake DESTDIR="${D}" prefix="${EPREFIX}/usr" install-common
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if use gmp; then
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emake DESTDIR="${D}" prefix="${EPREFIX}/usr" install
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use mpi && dobin mplrs
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fi
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dodoc README
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}
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