# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

V="v${PV}"
N="`echo \"${PN}\" | tr a-z A-Z`"

DESCRIPTION="Set of routines for solving unsymmetric sparse linear systems using the Unsymmetric MultiFrontal method"

HOMEPAGE="http://www.cise.ufl.edu/research/sparse/umfpack/"

SRC_URI="http://www.cise.ufl.edu/research/sparse/umfpack/${V}/${N}${V}.tar.gz"

LICENSE="UMFPACK"

SLOT="0"

KEYWORDS="~x86"

IUSE="atlas"

DEPEND="atlas? ( >=sci-libs/atlas-3.4.1 )"

S="${WORKDIR}/${N}${V}"

src_compile() {
	cd ${S}/AMD/Make
	sed -i -e "s:# include ../Make/Make.linux:include ../Make/Make.linux:g" \
		Make.include

	use atlas && sed -i -e "s:CONFIG =:CONFIG = -DCBLAS:g" \
		-e "s:LIB = -lgoto -lxerbla -lfrtbegin -lg2c -lm:LIB = -lcblas -latlas -lm:g" \
		Make.linux

	use atlas || sed -i -e "s:CONFIG =:CONFIG = -DNBLAS:g" \
		-e "s:LIB = -lgoto -lxerbla -lfrtbegin -lg2c -lm:LIB = -lm:g" \
		Make.linux

	cd ${S}/UMFPACK

	make lib || die
}

src_install() {
	cd ${S}/UMFPACK/Lib
	dolib.a *.a
	cd ${S}/AMD/Lib
	dolib.a *.a

	dodir /usr/include/umfpack || die
	insinto /usr/include/umfpack
	cd ${S}/UMFPACK/Include
	doins *.h

	cd ${S}/AMD/Include
	doins *.h
}