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