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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{7..9} )
inherit fortran-2 python-any-r1
DESCRIPTION="AMD optimized BLAS-like Library Instantiation Software Framework"
HOMEPAGE="https://developer.amd.com/amd-aocl/"
if [[ ${PV} == 9999 ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/amd/blis"
else
SRC_URI="https://github.com/amd/blis/archive/${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}"/blis-"${PV}"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
fi
LICENSE="BSD"
SLOT="0"
IUSE="64bit-index doc eselect-ldso openmp pthread static-libs"
REQUIRED_USE="?? ( openmp pthread ) ?? ( eselect-ldso 64bit-index )"
RDEPEND+="
>=app-eselect/eselect-blas-0.2
!sci-libs/blis
"
DEPEND+="${RDEPEND}
${PYTHON_DEPS}
"
PATCHES=(
"${FILESDIR}"/${P}-blas_rpath.patch
)
pkg_pretend() {
elog "It is very important that you set the BLIS_CONFNAME"
elog "variable when compiling blis as it tunes the"
elog "compilation to the specific CPU architecture."
elog "To look at valid BLIS_CONFNAMEs, look at directories in"
elog "\t https://github.com/amd/blis/tree/master/config"
elog "At the very least, it should be set to the ARCH of"
elog "the machine this will be run on, which gives a"
elog "performance increase of ~4-5x."
}
src_configure() {
local myconf=(
--prefix="${BROOT}"/usr
--libdir="${BROOT}"/usr/$(get_libdir)
--enable-cblas
--enable-blas
--enable-arg-max-hack
--enable-verbose-make
--without-memkind
--enable-shared
$(use_enable static-libs static)
)
use 64bit-index && \
myconf+=(
--int-size=64
--blas-int-size=64
)
# threading backend - openmp/pthreads/no
if use openmp; then
myconf+=( --enable-threading=openmp )
elif use pthread; then
myconf+=( --enable-threading=pthreads )
else
myconf+=( --enable-threading=no )
fi
# not an autotools configure script
./configure "${myconf[@]}" \
"${EXTRA_ECONF[@]}" \
${BLIS_CONFNAME:-generic} || die
}
src_compile() {
SET_RPATH=no \
DEB_LIBBLAS=libblas.so.3 \
DEB_LIBCBLAS=libcblas.so.3 \
default
}
src_test() {
emake check
}
src_install() {
default
use doc && dodoc README.md docs/*.md
use eselect-ldso || return
insinto /usr/$(get_libdir)/blas/blis-amd
doins lib/${BLIS_CONFNAME:-generic}/lib{c,}blas.so.3
dosym libblas.so.3 usr/$(get_libdir)/blas/blis-amd/libblas.so
dosym libcblas.so.3 usr/$(get_libdir)/blas/blis-amd/libcblas.so
}
pkg_postinst() {
use eselect-ldso || return
local libdir=$(get_libdir) me="blis-amd"
# check blas
elog "adding ${me}"
eselect blas add ${libdir} "${EROOT}"/usr/${libdir}/blas/${me} ${me}
elog "added ${me}"
local current_blas=$(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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