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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
inherit eutils versionator
MY_PV="$(get_version_component_range 1-2)"
DESCRIPTION="Yet another factoring utility"
HOMEPAGE="https://sourceforge.net/projects/yafu/"
SRC_URI="mirror://sourceforge/${PN}/${MY_PV}/${PN}-${MY_PV}-src.zip"
SLOT="0"
LICENSE="public-domain"
KEYWORDS="~amd64 ~x86"
# nfs is overloaded, so using less confusing sieve here
IUSE="+sieve"
DEPEND="
dev-libs/gmp:0=
sci-mathematics/gmp-ecm
sieve? (
sci-mathematics/msieve
sci-mathematics/ggnfs )"
RDEPEND="${DEPEND}"
src_prepare() {
epatch "${FILESDIR}/fix-Makefile.patch"
# This is not nice. But then the Makefile is quite special :)
sed -i -e 's:../gmp/include:gmp:' Makefile || die "Failed to rectify things"
sed -i -e 's:../gmp-ecm/include:gmp-ecm:' Makefile || die "Failed to rectify things"
sed -i -e 's:LIBS += -L../:# LIBS += -L../:g' Makefile || die "Failed to rectify things"
sed -i -e 's:\"config.h\":<gmp-ecm/config.h>:g' top/driver.c || die "Failed to rectify things"
sed -i -e 's:# LIBS += -L../msieve/lib/linux/x86_64:LIBS += -lmsieve -lz -ldl:' Makefile || die "Failed to rectify things"
sed -i -e 's:CFLAGS = -g:#CFLAGS = -g:' Makefile || die "Failed to rectify things"
sed -i -e '/$(LIBS)$/s:$(CC):$(CC) $(LDFLAGS):g' Makefile || die
# proper ggnfs default path
sed -i -e 's~strcpy(fobj->nfs_obj.ggnfs_dir,"./");~strcpy(fobj->nfs_obj.ggnfs_dir,"/usr/bin/");~' factor/factor_common.c || die "Failed to rectify things"
}
src_compile() {
local VAR=""
# hmm, not that useful:
#VAR="TIMING=1 "
use sieve && VAR+="NFS=1"
use amd64 && emake $VAR x86_64
use x86 && emake $VAR x86
}
src_install() {
dobin "${S}/yafu"
dodoc docfile.txt README yafu.ini
}
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