# Copyright 1999-2024 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 inherit toolchain-funcs DESCRIPTION="Reverse-search algorithm for vertex enumeration problems" HOMEPAGE="http://cgm.cs.mcgill.ca/~avis/C/lrs.html" SRC_URI="http://cgm.cs.mcgill.ca/~avis/C/lrslib/archive/${P}.tar.gz" # COPYING is GPL-2, but e.g. lrslib.h says "or ... any later version." LICENSE="GPL-2+" SLOT="0" KEYWORDS="amd64 ~arm ~riscv ~amd64-linux" IUSE="gmp mpi" BDEPEND="" RDEPEND=" gmp? ( dev-libs/gmp:0= mpi? ( virtual/mpi ) )" DEPEND="${RDEPEND}" PATCHES=( "${FILESDIR}/${P}-makefile-ldflags.patch" "${FILESDIR}/${P}-makefile-cflags.patch" ) src_prepare() { default tc-export CC # The "makefile" sort-of supports CFLAGS as of lrslib-071b, but # "-O3" is still included verbatim in many targets. Likewise, a # LIBDIR variable exists but "lib" remains hard-coded in the install # targets. sed -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="${D}" prefix="${EPREFIX}/usr" install use mpi && dobin mplrs fi dodoc README }