--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit eutils fortran-2 autotools multilib flag-o-matic toolchain-funcs
+
+LAPACKPV="3.1.1"
+LAPACKPN="lapack-lite"
+
+DESCRIPTION="Basic Linear Algebra Subprograms F77 reference implementations"
+HOMEPAGE="http://www.netlib.org/blas/"
+SRC_URI="http://www.netlib.org/lapack/${LAPACKPN}-${LAPACKPV}.tgz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS=""
+IUSE="doc"
+
+DEPEND="app-eselect/eselect-blas"
+RDEPEND="${DEPEND}
+ doc? ( app-doc/blas-docs )"
+
+S="${WORKDIR}/${LAPACKPN}-${LAPACKPV}"
+
+src_prepare() {
+ ESELECT_PROF=reference
+ epatch \
+ "${FILESDIR}"/${P}-autotool.patch \
+ "${FILESDIR}"/${P}-pkg-config.patch
+ eautoreconf
+
+ cp "${FILESDIR}"/eselect.blas.reference-ng "${T}"/eselect.blas.reference || die
+ sed -i -e "s:/usr:${EPREFIX}/usr:" "${T}"/eselect.blas.reference || die
+ if [[ ${CHOST} == *-darwin* ]] ; then
+ sed -i -e 's/\.so\([\.0-9]\+\)\?/\1.dylib/g' \
+ "${T}"/eselect.blas.reference || die
+ fi
+}
+
+src_configure() {
+ econf \
+ --libdir="${EPREFIX}"/usr/$(get_libdir)/blas/reference
+}
+
+src_compile() {
+ emake LDFLAGS="${LDFLAGS}"
+}
+
+src_install() {
+ default
+ eselect blas add $(get_libdir) "${T}"/eselect.blas.reference ${ESELECT_PROF}
+}
+
+pkg_postinst() {
+ local p=blas
+ local current_lib=$(eselect ${p} show | cut -d' ' -f2)
+ if [[ ${current_lib} == ${ESELECT_PROF} || -z ${current_lib} ]]; then
+ # work around eselect bug #189942
+ local configfile="${EROOT}"/etc/env.d/${p}/$(get_libdir)/config
+ [[ -e ${configfile} ]] && rm -f ${configfile}
+ eselect ${p} set ${ESELECT_PROF}
+ elog "${p} has been eselected to ${ESELECT_PROF}"
+ else
+ elog "Current eselected ${p} is ${current_lib}"
+ elog "To use ${p} ${ESELECT_PROF} implementation, you have to issue (as root):"
+ elog "\t eselect ${p} set ${ESELECT_PROF}"
+ fi
+}