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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="7"
inherit toolchain-funcs
DESCRIPTION="A C library implementing a suite of algorithms to factor large integers"
HOMEPAGE="https://sourceforge.net/projects/msieve/"
SRC_URI="mirror://sourceforge/${PN}/${PN}/Msieve%20v${PV}/${PN}${PV/./}_src.tar.gz -> ${P}.tar.gz"
LICENSE="public-domain"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="zlib +ecm mpi"
DEPEND="
ecm? ( sci-mathematics/gmp-ecm )
mpi? ( virtual/mpi )
zlib? ( sys-libs/zlib:= )"
RDEPEND="${DEPEND}"
src_prepare() {
default
# TODO: Integrate ggnfs properly
eapply \
"${FILESDIR}"/${PN}-1.51-reduce-printf.patch \
"${FILESDIR}"/${PN}-1.53-fix-version.patch
sed -i -e 's/-march=k8//' Makefile || die
sed -i -e 's/CC =/#CC =/' Makefile || die
sed -i -e 's/CFLAGS =/CFLAGS +=/' Makefile || die
sed -i -e 's/LIBS += -lecm/LIBS += -lecm -lgomp/' Makefile || die
}
src_compile() {
use ecm && export "ECM=1"
use mpi && export "MPI=1"
use zlib && export "ZLIB=1"
emake \
CC=$(tc-getCC) \
AR=$(tc-getAR) \
OPT_FLAGS="${CFLAGS}" \
all
}
src_install() {
mkdir -p "${ED}/usr/include/msieve"
mkdir -p "${ED}/usr/lib/"
mkdir -p "${ED}/usr/share/doc/${P}/"
cp include/* "${ED}/usr/include/msieve" || die "Failed to install"
cp libmsieve.a "${ED}/usr/lib/" || die "Failed to install"
dobin msieve
cp Readme* "${ED}/usr/share/doc/${P}/" || die "Failed to install"
}
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