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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="A C library implementing a suite of algorithms to factor large integers"
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HOMEPAGE="https://sourceforge.net/projects/msieve/"
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SRC_URI="mirror://sourceforge/${PN}/${PN}/Msieve%20v${PV}/${PN}${PV/./}_src.tar.gz -> ${P}.tar.gz"
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LICENSE="public-domain"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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IUSE="zlib +ecm mpi"
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RDEPEND="
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ecm? ( sci-mathematics/gmp-ecm )
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mpi? ( virtual/mpi )
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zlib? ( sys-libs/zlib )"
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DEPEND="${RDEPEND}"
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PATCHES=(
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# TODO: Integrate ggnfs properly
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"${FILESDIR}"/${PN}-1.51-reduce-printf.patch
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"${FILESDIR}"/${PN}-1.53-fix-version.patch
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)
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src_prepare() {
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default
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sed -i -e 's/-march=k8//' Makefile || die
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sed -i -e 's/CC =/#CC =/' Makefile || die
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sed -i -e 's/CFLAGS =/CFLAGS +=/' Makefile || die
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sed -i -e 's/LIBS += -lecm/LIBS += -lecm -lgomp/' Makefile || die
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}
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src_compile() {
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use ecm && export ECM=1
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use mpi && export MPI=1
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use zlib && export ZLIB=1
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emake \
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CC=$(tc-getCC) \
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AR=$(tc-getAR) \
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OPT_FLAGS="${CFLAGS}" \
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all
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}
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src_install() {
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dobin msieve
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insinto /usr/include/msieve
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doins -r include/.
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dolib.a libmsieve.a
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dodoc Readme*
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}
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