# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=5

#AUTOTOOLS_AUTORECONF=true

inherit autotools-utils eutils flag-o-matic fortran-2 toolchain-funcs

MY_P="${PN}-ng_${PV}"

DESCRIPTION="Arnoldi package library to solve large scale eigenvalue problems"
HOMEPAGE="http://www.caam.rice.edu/software/ARPACK/ http://forge.scilab.org/index.php/p/arpack-ng/"
SRC_URI="
	http://forge.scilab.org/upload/arpack-ng/files/${MY_P}.tar.gz
	doc? (
		http://www.caam.rice.edu/software/ARPACK/SRC/ug.ps.gz
		http://www.caam.rice.edu/software/ARPACK/DOCS/tutorial.ps.gz )"

LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm hppa ppc ppc64 x86 ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos"
IUSE="doc examples mpi static-libs"

RDEPEND="
	virtual/blas
	virtual/lapack
	mpi? ( virtual/mpi[fortran] )"
DEPEND="${RDEPEND}
	virtual/pkgconfig"

S="${WORKDIR}/${MY_P/_/-}"

src_configure() {
	tc-export PKG_CONFIG
	local myeconfargs=(
		--with-blas="$($(tc-getPKG_CONFIG) --libs blas)"
		--with-lapack="$($(tc-getPKG_CONFIG) --libs lapack)"
		$(use_enable mpi)
		)
	autotools-utils_src_configure
}

src_test() {
	cp "${S}"/TESTS/testA.mtx "${BUILD_DIR}"/TESTS || die
	autotools-utils_src_test
}

src_install() {
	autotools-utils_src_install

	dodoc DOCUMENTS/*.doc
	newdoc DOCUMENTS/README README.doc
	use doc && dodoc "${WORKDIR}"/*.ps
	if use examples; then
		insinto /usr/share/doc/${PF}
		doins -r EXAMPLES
		if use mpi; then
			insinto /usr/share/doc/${PF}/EXAMPLES/PARPACK
			doins -r PARPACK/EXAMPLES/MPI
		fi
	fi
}