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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=5

inherit eutils subversion versionator

DESCRIPTION="Yet another factoring utility"
HOMEPAGE="https://sourceforge.net/projects/yafu/"
#SRC_URI="mirror://sourceforge/${PN}/${PV}/${P}-src.zip"
ESVN_REPO_URI="https://svn.code.sf.net/p/yafu/code/"

SLOT="0"
LICENSE="public-domain"

DEPEND="
	dev-libs/gmp:0=
	sci-mathematics/gmp-ecm"
RDEPEND="${DEPEND}"

src_prepare() {
	cd trunk
	# 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=""
	cd trunk
	# hmm, not that useful:
	#VAR="TIMING=1 "
	use amd64 && emake $VAR x86_64
	use x86 && emake $VAR x86
}

src_install() {
	dobin "${S}/yafu"
	dodoc docfile.txt README yafu.ini
}