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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
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="~alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
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 "${FILESDIR}"/eselect.blas.reference "${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
}
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