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# Copyright 2019-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{7..9} )
inherit python-any-r1
DESCRIPTION="BLAS-like Library Instantiation Software Framework"
HOMEPAGE="https://github.com/flame/blis"
SRC_URI="https://github.com/flame/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~ppc64 ~x86"
IUSE="doc eselect-ldso openmp pthread serial 64bit-index"
REQUIRED_USE="
?? ( openmp pthread serial )
?? ( eselect-ldso 64bit-index )"
DEPEND="
eselect-ldso? (
!app-eselect/eselect-cblas
>=app-eselect/eselect-blas-0.2
)"
RDEPEND="${DEPEND}"
BDEPEND="${PYTHON_DEPS}"
PATCHES=(
"${FILESDIR}"/${P}-rpath.patch
"${FILESDIR}"/${P}-blas-provider.patch
)
src_configure() {
local BLIS_FLAGS=()
local confname
# determine flags
if use openmp; then
BLIS_FLAGS+=( -t openmp )
elif use pthread; then
BLIS_FLAGS+=( -t pthreads )
else
BLIS_FLAGS+=( -t no )
fi
use 64bit-index && BLIS_FLAGS+=( -b 64 -i 64 )
# determine config name
case "${ARCH}" in
"x86" | "amd64")
confname=auto ;;
"ppc64")
confname=generic ;;
*)
confname=generic ;;
esac
# This is not an autotools configure file. We don't use econf here.
./configure \
--enable-verbose-make \
--prefix="${BROOT}"/usr \
--libdir="${BROOT}"/usr/$(get_libdir) \
--disable-static \
--enable-blas \
--enable-cblas \
"${BLIS_FLAGS[@]}" \
--enable-shared \
$confname || die
}
src_compile() {
DEB_LIBBLAS=libblas.so.3 DEB_LIBCBLAS=libcblas.so.3 \
LDS_BLAS="${FILESDIR}"/blas.lds LDS_CBLAS="${FILESDIR}"/cblas.lds \
default
}
src_test() {
emake check
}
src_install() {
default
use doc && dodoc README.md docs/*.md
if use eselect-ldso; then
dodir /usr/$(get_libdir)/blas/blis
insinto /usr/$(get_libdir)/blas/blis
doins lib/*/lib{c,}blas.so.3
dosym libblas.so.3 usr/$(get_libdir)/blas/blis/libblas.so
dosym libcblas.so.3 usr/$(get_libdir)/blas/blis/libcblas.so
fi
}
pkg_postinst() {
use eselect-ldso || return
local libdir=$(get_libdir) me="blis"
# check blas
eselect blas add ${libdir} "${EROOT}"/usr/${libdir}/blas/${me} ${me}
local current_blas=$(eselect blas show ${libdir} | cut -d' ' -f2)
if [[ ${current_blas} == "${me}" || -z ${current_blas} ]]; then
eselect blas set ${libdir} ${me}
elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
else
elog "Current eselect: BLAS/CBLAS ($libdir) -> [${current_blas}]."
elog "To use blas [${me}] implementation, you have to issue (as root):"
elog "\t eselect blas set ${libdir} ${me}"
fi
}
pkg_postrm() {
use eselect-ldso && eselect blas validate
}
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