gentoo resync : 25.10.2021

1 files changed, 58 insertions, 0 deletions

diff --git a/sci-libs/lrslib/lrslib-071b.ebuild b/sci-libs/lrslib/lrslib-071b.ebuild
new file mode 100644
index 000000000000..dce7bc19ece6
--- /dev/null
+++ b/sci-libs/lrslib/lrslib-071b.ebuild
@@ -0,0 +1,58 @@
+# Copyright 1999-2021 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/${P}.tar.gz"
+
+# COPYING is GPL-2, but e.g. lrslib.h says "or ... any later version."
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="amd64 ~arm ~x86 ~amd64-linux ~x86-linux"
+IUSE="gmp mpi"
+
+BDEPEND=""
+RDEPEND="
+	gmp? (
+		dev-libs/gmp:0=
+		mpi? ( virtual/mpi )
+	)"
+DEPEND="${RDEPEND}"
+
+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/-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}" prefix="${EPREFIX}/usr" install
+		use mpi && dobin mplrs
+	fi
+	dodoc README
+}