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# Copyright 1999-2021 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 -> ${P}.tar.gz"
LICENSE="public-domain"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="zlib +ecm mpi"
RDEPEND="
ecm? ( sci-mathematics/gmp-ecm )
mpi? ( virtual/mpi )
zlib? ( sys-libs/zlib )"
DEPEND="${RDEPEND}"
PATCHES=(
# TODO: Integrate ggnfs properly
"${FILESDIR}"/${PN}-1.51-reduce-printf.patch
"${FILESDIR}"/${PN}-1.53-fix-version.patch
)
src_prepare() {
default
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() {
dobin msieve
insinto /usr/include/msieve
doins -r include/.
dolib.a libmsieve.a
dodoc Readme*
}
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