# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI = 5
inherit eutils versionator
MY_PV = " $( get_version_component_range 1-2) "
DESCRIPTION = "Yet another factoring utility"
HOMEPAGE = "http://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
}